Need a reliable and innovative mobile app development company to turn your idea into a functional, well-designed application? After combing through thousands of vetted client reviews and successful projects, we've compiled a list of the top mobile app developers to make your search more convenient and efficient. Tailor it by location, budget, hourly rates, team size, and expertise to find the perfect agency partner that fits your needs.

To identify the top-performing mobile app development companies, we’ve looked into 9,300 service providers and assessed their expertise, thought leadership, portfolio quality, pricing, and client feedback. Review their specializations, track records, and project outcomes to make an informed decision and ensure your app is set up for success.

The Number 1 Mobile App Development Company as Selected by DesignRush Is:

1. Appinventiv

[Source: Appinventiv]
  • Best for: Overall
  • Average Hourly Rate: $25
  • Minimum Budget: $25,000 - $50,000
  • Founded: 2015
  • Size: 1000 & Up
  • Location: Noida, India
  • Notable Clients: KFC, IKEA, Domino's, Pizza Hut, Adidas, KPMG, and more

Appinventiv comprises 800 tech professionals that cater to a diverse clientele across North America, Europe, and the Middle East. Their expertise in mobile app and software development has transformed the digital experience for more than 1,000 enterprises, including Fortune 500 companies like KFC, Pizza Hut, Adidas, IKEA, and more.

Appinventiv partnered with KFC in the Middle East to expand its digital presence and reduce dependency on food delivery aggregators. They have successfully developed and launched seven KFC food delivery apps across various Middle Eastern countries.

The results of this collaboration were impressive, with a 1.22% increase in conversion rate and an average rating of 4.5 on both the Google Play Store and App Store.

Over 50% of total orders received were through the mobile app, leading to a substantial reduction in costs. Additionally, there was a remarkable 60% increase in repeat purchases across channels. Customers displayed higher loyalty, which resulted in the highest Customer Lifetime Value (CLTV) compared to other order modes.

Check Appinventiv Agency Profile

2. Suffescom Solutions Inc

[Source: Suffescom Solutions Inc]
  • Best for: Custom Mobile Apps
  • Average Hourly Rate: Inquire
  • Minimum Budget: $10,000 - $25,000
  • Founded: 2013
  • Size: 250 - 499
  • Location: Los Angeles, CA
  • Notable clients: StealthEX, Chilis, Universal Monsters, Medicover Online, B8ak

Using technologies like AI, blockchain, and NFTs, Suffescom builds custom mobile applications that drive engagement and business growth. Trusted by global brands, the mobile app development company offers end-to-end services — from initial strategy and design to deployment and ongoing support. Its expert team ensures flawless user experiences through an agile approach, while maintaining transparency, timely delivery, and 24/7 technical support.

Suffescom partnered with Chilis to create a smooth food ordering experience through a dedicated mobile app. The goal was to replicate the restaurant’s in-house dining quality through a digital platform that delivers convenience, speed, and reliability. Designed with an intuitive interface, the app allows users to browse the full menu, place orders, and choose from multiple secure payment options.

It also features real-time order tracking, updating customers on their delivery status from the kitchen to the doorstep. With a user-centric design and robust functionality, it quickly became a favorite among food lovers, earning over 1 million downloads and maintaining an exceptional 4.8-star average rating.

Check Suffescom Solutions Inc Agency Profile

3. Hyperlink InfoSystem

[Source: Hyperlink InfoSystem]
  • Best for: Google API Integration
  • Average Hourly Rate: $50
  • Minimum Budget: Inquire
  • Founded: 2011
  • Size: 250 - 499
  • Location: New York, NY
  • Notable Clients: Papa John's, MLM List Pro, Snap & Sell, Baby Bod, Dogster, On Call MD, and more

Founded in 2011, Hyperlink InfoSystem was started by a visionary, Harnil Oza. From a three-man business, their team has grown in 2022 to the tune of 1,000 dedicated professionals. Supporting the holistic growth of their workforce, they augmented their space with nine additional offices totaling 40,000 square feet.

Hyperlink InfoSystem assisted Papa John's, a New York-based franchise group, in expanding its digital presence with an on-demand pizza delivery app for drivers. The application allowed drivers to register, accept or reject ride requests, and view participating stores on a map. Hyperlink InfoSystem created a comprehensive admin panel that enables moderators to view and manage orders, track drivers, and send push notifications.

The agency encountered challenges with displaying multiple orders on a map, which was resolved with Google API integration. The successful collaboration gave birth to an efficient mobile app that empowers drivers to earn additional income and provides a more effective food delivery system for Papa John's franchises.

Check Hyperlink InfoSystem Agency Profile

4. Designli

[Source: Designli]
  • Best for: UI/UX
  • Average Hourly Rate: $100
  • Minimum Budget: Inquire
  • Founded: 2013
  • Size: Under 49
  • Location: Greenville, SC
  • Notable Clients: Thingealogy, Earth Technology Integration, National Trench Safety, Secur.Space, Paidback, and more

Designli redefines success in mobile and web application development. They offer a consultative journey from conception to post-launch iteration. Their SolutionLab feature is perfect for judicious planning, as it ensures a streamlined approach to meet your users' needs.

Designli was vital in realizing Thingealogy using SolutionLab to prioritize user experience. Guided by this innovative idea, their adept UX and UI teams created a striking interface that offers a 'grid view' and 'spreadsheet view' to ensure an interactive visualization of stored data.

Developed with AngularJS, NodeJS, and Loopback, Designli meticulously managed the project, maintaining budget control with real-time updates on progress and expenditure. After rigorous Beta Testing, Thingealogy was successfully launched with zero downtime for existing users, marking a easy transition with continuous feature enhancement.

Check Designli Agency Profile

5. Mercury Development

[Source: Mercury Development]
  • Best for: Multi-Platform Apps
  • Average Hourly Rate: $50
  • Minimum Budget: $10,000 - $25,000
  • Founded: 1999
  • Size: 100 - 249
  • Location: Palm City, FL
  • Notable Clients: Fitbit, Sony, Mercedes-Benz, HSBC Global Technology, Burger King, Cisco, and more

With its proficiency in digital transformation, Mercury caters to diverse entities — from budding startups to Fortune 100 companies. Their team of over 400 skilled professionals and more than 20 years of experience allows them to shorten development time.

Perhaps one of Mercury Development's exceptional success stories is its collaboration with Fitbit. Starting in 2011, Mercury pioneered the first multi-platform app for Fitbit. Navigating challenges with early Android devices, the agency successfully decoded proprietary technology to establish Fitbit and Samsung device connectivity.

Their collaboration with HTC led to scalable firmware integration of a step counter. Advancements continued with the Xbox version of the Fitbit Coach and the integration of the Fitbit on Windows 8. From a step counter to the number one fitness tracker used by over 50 million people, Fitbit’s journey showcases Mercury’s global recognition.

Check Mercury Development Agency Profile

6. Wonderment Apps

[Source: Wonderment Apps]
  • Best for: Educational Apps
  • Average Hourly Rate: $99
  • Minimum Budget: $1,000 - $10,000
  • Founded: 2015
  • Size: 100 - 249
  • Location: Los Angeles, CA
  • Notable Clients: NASA, Walgreens, Stamps.com, iHerb, Civic, and more

Serving entities from startups to large-scale tech ventures, the dynamic team at Wonderment Apps boasts a decade-long legacy, punctuated by successful collaborations with prestigious organizations like NASA, Walgreens, Stamps.com, Warner Media, and iHerb.

Wonderment Apps collaborated with NASA's Earth Sciences Division to create an engaging educational app: the NASA Earth Science Vision 2030. They started by comprehending NASA's audience engagement goals, leading to the development of wireframes as app prototypes. After multiple feedback iterations, a final user experience flow was agreed upon.

Subsequently, iOS and Android followed, wherein Wonderment Apps crafted an interface and an image recognition tool prototype to launch a video. The seamless integration of these elements resulted in a single app that underwent meticulous testing before release. The outcome was an interactive platform educating audiences about NASA's exciting future projects.

Check Wonderment Apps Agency Profile

7. WebClues Infotech

[Source: WebClues Infotech]
  • Best for: Banking Apps
  • Average Hourly Rate: $12
  • Minimum Budget: Inquire
  • Founded: 2014
  • Size: 100 - 249
  • Location: Dover, DE
  • Notable Clients: Contis, Dimendscaasi, Honeywell, Alo Yoga, Contis, Zemaas, and more

WebClues Infotech is a CMMI Level 5 certified company founded in 2014. The agency caters to startups, businesses, and enterprises by tailoring offerings to align with their unique needs.

WebClues Infotech successfully developed a secure and efficient platform for Contis, Europe’s leading banking-as-a-service platform. Features like checking account balances, viewing transaction history, and conducting payments or transfers were easily incorporated. A robust, cutting-edge fraud detection system was also implemented.

The result is a scalable, safe, and reliable digital financial solutions portal where customers can navigate their financial needs with ease and assurance. This success story testifies to WebClues Infotech's expertise in creating robust digital solutions.

Check WebClues Infotech Agency Profile

8. Apptunix

[Source: Apptunix]
  • Best for: eCommerce Apps
  • Average Hourly Rate: $25
  • Minimum Budget: $10,000 - $25,000
  • Founded: 2013
  • Size: 250 - 499
  • Location: Austin, TX
  • Notable Clients: Namshi, Droob, Dine In, Vrbo, McDonald's, and more

Apptunix is an award-winning app development agency that stands tall in the digital realms of the USA, UK, UAE, and India.

One of Apptunixs’ success stories includes the collaboration with Namshi, a Middle Eastern online shopping platform. They created a detailed product list to ensure that customers could easily view all product details and available sizes. The ordering process was simplified with numerous payment options, pre-filled details, and personalized product recommendations.

By placing a significant priority on superior UI/UX design, Apptunix was able to come up with interfaces that are captivating yet functional. These improvements resulted in significant growth for Namshi: a 56% increase in non-branded CTR, a 54% revenue hike, a 36% uptick in app downloads, a 27% sales rise, and an influx of 7,000 new users per day.

Check Apptunix Agency Profile

9. TheAppLabb

[Source: TheAppLabb]
  • Best for: Product Catalog
  • Average Hourly Rate: $149
  • Minimum Budget: $50,000 & Up
  • Founded: 2007
  • Size: 50 - 99
  • Location: Toronto, Canada
  • Notable Clients: Wild Work Foods, Peach Financial, Dial-A-Bottle, Park N Fly, Frigidaire, and more

Founded in 2007, TheAppLabb has emerged as a leading product innovation company. Guided by ever-evolving technology, they focus on crafting apps that fuel business growth, improve user engagement, and boost profitability. The agency acknowledges the perpetual need for user-friendly interfaces across multiple platforms, not just smartphones.

Tasked with expanding Wild Fork Foods into the US market, TheAppLabb created a versatile mobile app that fused the personal touch of a local butcher shop with the convenience of eCommerce. The application includes an extensive product catalog, QR code functionality for in-store product information, tailored recipe recommendations, and location-based push notifications. Same-day delivery is also integrated to create an unmatched shopping experience.

This solution not only increased basket size but also visit frequency. In just 15 weeks from its launch, the app garnered 5,000 organic downlaoads.

Check TheAppLabb Agency Profile

Learn more about our industry research and agency selection processes on the Agency Ranking Methodology page.

9 Most Popular Mobile App Development Companies Compared

Agency NameLocationHourly RateSizeBest For
AppinventivNoida, India$251000 & UpOverall
Suffescom Solutions IncLos Angeles, CAInquire250 - 499Custom Mobile Apps
Hyperlink InfoSystemNew York, NY$50250 - 499Google API Integration
DesignliGreenville, SC$100Under 49UX/UI
Mercury DevelopmentPalm City, FL$50100 - 249Multi-Platform Apps
Wonderment AppsLos Angeles, CA$99100 - 249Educational Apps
WebClues InfotechDover, DE$12100 - 249Banking Apps
ApptunixAustin, TX$25250 - 499eCommerce Apps
TheAppLabbToronto, Canada$14950 - 99Product Catalog

Mobile App Development Companies Industry Research

Key Findings on the Mobile App Development Companies on DesignRush

  • Most mobile app development companies listed on DesignRush serve businesses with under 49 employees. 58% or 3,391 reviews came from small businesses.
  • The most common minimum budget requirement ranges from $1,000 - $10,000, with 37% of agencies falling into this category.
  • Our companies are predominantly reviewed by clients within the Information Technology & Services sector, representing 12% of all reviews.
  • 27% of agencies charge $30 to $50 per hour.
  • 62% of companies on DesignRush have less than 49 employees.

Our Research in Detail

Continue reading for a detailed breakdown of our precise findings, collected from each metric used in the above report:

Employees per Agency

  • 62% of mobile app companies in the directory have fewer than 49 employees, indicating that this sector is primarily composed of small agencies.
  • 17% of app development companies employ 100 - 249 staff, suggesting a sizable medium segment.
  • While they are not representative of the industry, 1% of agencies are large with 1,000 or more employees. This translates to 89 agencies that can handle bigger or more complex projects.

Minimum Budget

  • For 37% of agencies, the most common minimum budget is $1,000-$10,000.
  • 22% of agencies require a budget of $10,000 - $25,000, indicating that many agencies aim for mid-range projects.
  • 300 agencies (5%) have a minimum budget requirement of $50,000 or more, catering to clientele who want more premium services.
  • A notable portion (19%) of agencies do not disclose their minimum budget upfront, suggesting flexibility in their pricing models.

Average Hourly Rate

  • 51% of mobile app developers charge an average hourly rate of less than $50, making them accessible for clients with a limited budget.
  • 32% of companies charge $50 - $200/hour, suggesting that mid-range projects are common in mobile app development.
  • Only 1% charge $ 200-$500+/hour.
  • An estimated 16% do not provide their hourly rates, which could be due to having project-specific or negotiable pricing.

Founding Years

  • Although most companies were established between 2010 and 2023, some were founded as early as the 1990s. Older agencies have a great capacity to adapt to shifting market requirements and trends, while newer agencies tend to bring fresh ideas and innovation to the table.
  • For business owners, understanding agency founding years aids in evaluating reliability, proven expertise, and the potential for cutting-edge solutions, aligning their needs with industry growth trends.

Industry Focus

  • Mobile app developers on DesignRush are most frequently reviewed by clientele from the Information Technology & Services sector, with 727 ratings or 12% of the total number of reviews.
  • These agencies don’t just work with tech-related sectors. Based on the distribution of client reviews, they also work in other niches like Financial Services, Health, Wellness, & Fitness, Apparel & Fashion, Arts & Crafts, Automotive, Food & Beverages, and several others. 11% of clients did not specify their industries.

Here are the top 3 app development companies per industry:

Industry Top 3 Mobile App Developers
IT
Computer Software
Marketing & Advertising
Financial Services
Hospital & Healthcare
Health, Wellness, & Fitness
Retail
Education Management
Real Estate
  • Glorium Technologies
  • Awesome Website Guys
  • Zazz
Food & Beverages
Management Consulting
Consumer Goods
Apparel & Fashion

*Data derived from the highest number of client reviews mentioning these industries

Client Size

  • The largest segment of clients (3391 reviews or 58%) has a team size of under 49 employees. This suggests that many startups and small businesses actively outsource app development, possibly due to limited in-house resources and the need for cost-effective solutions.
  • Companies with 50 - 999 employees also hire mobile app development agencies, making up 25% of reviews. These mid- to large-sized companies likely seek expertise and scalability for their projects.
  • The number of reviews from large enterprises (i.e., 1,000 to 5,000+ employees) is around 10x lower than smaller companies. That said, these organizations still outsource app development, possibly to supplement their in-house teams or for specialized projects.

Check out the top 3 mobile app companies that provide services tailored to the size of businesses:

Client size Client size Top 3 app development companies
Small businessesUnder 49
Mid-sized businesses50 - 249
Large businesses250+
Enterprise-level businesses1,000+

*Data based on the size of the companies that provided the highest number of reviews

This comprehensive analysis of the app development companies featured on DesignRush provides businesses with a valuable resource for selecting the right services. Moreover, it also helps developers fine-tune their market position, facilitating better matches with potential clients.

List of the Best Mobile App Developers

  • iFour Technolab

    Your Partner in Legal Software Solutions
    Empowering Legal ExcellenceiFour Technolab is your trusted partner in legal technology, offering custom legal software solutions to simplify complex legal processes. We understand the importance  [... view the full profile of IFour Technolab]
    Brownsburg, Indiana
    100 - 249 $14/hr Inquire
    VISIT WEBSITE

Hiring Guide

What is a mobile app development company?

A mobile app development company designs, creates, and maintains applications for mobile devices like smartphones and tablets. These companies work with clients to transform ideas into functional, user-friendly apps tailored to iOS or Android.

They handle everything from planning and coding to testing and launching, ensuring the app meets business goals and provides a great user experience (UX). Many also offer ongoing support, updates, and optimization to keep the app current and effective in a fast-changing digital landscape.

Mobile apps are essential today because they:

  • Offer quick access to information, services, and tools anytime, anywhere
  • Are optimized for mobile use, providing a smoother, faster, and more personalized experience
  • Are used for customer engagement, loyalty programs, and direct sales, making them a key driver of revenue
  • Keep people connected through social media, messaging, and real-time communication
  • Help users stay organized and efficient
  • Provide access to features even without an internet connection
  • Enable brands to reach users instantly with updates, promotions, and reminders, improving customer retention

According to Statista, the global mobile app market is projected to grow at a CAGR of 7.48%, reaching a market value of $781.7 billion by 2029. However, in 2023, global app downloads stagnated at 257 billion, experiencing only a one percent year-over-year increase. Despite this temporary slowdown, the market’s long-term trajectory remains strong, highlighting the continued demand for high-quality mobile applications across industries.

What does an app development company do?

An app development company creates, tests, and refines applications for mobile devices using its coding and programming expertise.

These companies are responsible for a range of tasks and activities, such as:

  • Idea generation and conceptualization
    Determining the pain points the application addresses and the specific audience it serves. Performing market research on the competitive landscape and user preferences to establish a solid groundwork for the development phase.
  • Design
    Creating an appealing user interface (UI) and an engaging UX. This stage covers wireframing, prototyping, creating style guides, choosing color schemes, fonts, flexible layouts, and screen elements.
  • Development
    Writing the code for the app’s front and back end based on the design and specifications previously outlined. This involves managing data and creating the server-side logic, databases, and application programming interface (API).
  • Quality assurance and testing
    Conducting unit testing, integration testing, and system testing to identify and fix issues in the code
  • Optimization
    Finetuning the code and the app’s overall performance to ensure it runs efficiently and meets performance standards
  • Security implementation
    Incorporating cybersecurity measures to protect the app and user data from potential threats.
  • Deployment
    Launching servers and making the application accessible to users
  • Ongoing technical support and maintenance
    Releasing updates and patches to fix bugs and performance issues
  • Documentation
    Creating a comprehensive guide for the codebase, APIs, and other relevant aspects to assist future expansion, maintenance, and troubleshooting

How much does it cost to build an app for a business?

Building an app for a business can cost between $80,000 and $250,000+. The price will depend on the complexity, functionalities, and location of the company.  

The average costs based on complexity are as follows: 

App complexityAverage project cost
SimpleUp to $80,000
High/complex$150,000-$250,000

The cost based on the platform: 

PlatformAverage project cost 
iOS$75,000-$500,000
Android$50,000-$500,000
Hybrid$90,000-$700,000

Meanwhile, as a general guideline, yearly app maintenance can cost 15% to 20% of the initial development fee. This includes continuous bug fixes, stability and performance improvement, code optimization, additional support for new operating system (OS) versions, new feature development, and more.

The top 50 mobile app developers on DesignRush charge an average of $65 per hour. 9.5% of these companies accept projects with a budget of under $1,000, making the service accessible for startups and small businesses. On the other hand, 6.1% require a minimum project budget of $50,000, offering advanced technological solutions and frameworks for exceptional performance and UX.

How long does it take to develop an app?

Developing an app typically takes one to over nine months, depending on the size and complexity of the project:

Project typeEstimated timeframe
Basic, small, and simple apps2-4 months
Mid-size apps of medium complexity4-6 months 
Intricate apps with advanced features9+ months 

Why should I hire an app development company?

You should hire a dedicated app development company because of its ability to develop a highly functional app and provide long-term post-launch support.

Hire seasoned app developers to:

  • Gain access to their technical expertise
  • Access their resources, premium tools, and licenses
  • Leverage technical SEO for your app to generate quality leads
  • Reach a global market
  • Receive post-release support

Success Story

In the following case study, we’ll look into how Unico Connect expanded the Deep Meditate wellness app’s user base:

  • Challenge: Deep Meditate set an ambitious three-month timeline for app development at a reasonable cost. The project required custom features, including personalized daily plans, offline functionality, and an enhanced audio player, to improve UX and reach a wider audience base.
  • Solution: Adopting an agile development approach, Unico Connect began its "Discover & Frame" workshop to define project requirements, design, and the ideal tech stack. Despite the extensive video and audio database, the team implemented an advanced architecture to ensure smooth performance. The developers also integrated offline support, in-app purchases, audio downloads, and custom plans for improved functionality and user appeal.
  • Results: Shortly after release, Deep Meditate attracted over 100,000 new users. It now has more than one million downloads on Android, a 4.4-star average rating, and an adoption rate of 3x more than its competitors on iOS.

How do I choose the best app development firm?

Follow these steps to choose the best app development firm:

  1. Set definitive goals and requirements
    Outline essential aspects such as functionalities, features, and target market. Determine whether you are building a native or hybrid application.
  2. Research companies and their location
    Evaluate their team size, global delivery capabilities, language support, and ability to comply with regulatory and data safety requirements.
  3. Understand their client and niche focus
    Make sure they have extensive experience with your niche. Read verified reviews and testimonials from previous and existing clients.
  4. Learn about their available tech stack
    See if they use the latest tools and software for front-end and back-end development, migration, scalability, UI/UX design, databases, content management, risk management, and cybersecurity. This should include programming languages (Swift, Objective-C, Java, Kotlin) and frameworks (React Native, Flutter, Xamarin, Angular, Vue.js, Node.js, Django, Ruby on Rails).
  5. Shortlist and send RFP
    Narrow your choices to five agency partners based on portfolio, case studies, and domain expertise. Submit a mobile app development request for proposal (RFP).
  6. Evaluate personalized proposals
    Assess the proposal details and structure. Are your demands addressed? Are they able to provide several options to deliver your idea? What’s their approach to design, execution, testing, and deployment? Is the post-launch support and maintenance process clear? Do they propose future development and expansion?
  7. Arrange interviews
    Ask about the specialists, project manager, and point of contact who will work on your project. Check the transparency of the pricing structure and observe their communication skills.
  8. Evaluate and arrive at a decision
    Compare the companies and select the partner that fits your project requirements, budget, expectations, and company values.

If you need further assistance finding the right mobile app development company, check out our Marketplace, where you can share your project details with us. We’ll connect you with companies most aligned with your requirements — for free.

How do I find the best mobile app development company on DesignRush that fits my budget?

Find the best mobile app development company on DesignRush that fits your budget through our customizable search tools. Adjust filters to set your budget range, whether $1,000 or beyond $50,000, or refine your search by hourly rate.

Low Budget: 1k above
Mid Budget: 10k above
High Budget: 50k above

With comprehensive agency profiles, you can easily assess service providers based on location, expertise, client feedback, and team size, giving you the insights needed to make a confident and informed decision. 

What red flags to watch for when hiring mobile app development companies?

The red flags to watch out for when hiring mobile app development companies include:

  • Vague and unrealistic project timelines
    Take it as a warning when a company promises the delivery of a complex project in an impossibly short period.
  • Lack of platform-specific expertise
    Avoid companies that claim expertise in all platforms while being unable to provide a portfolio of projects tailored specifically to iOS, Android, and cross-platform.
  • No emphasis on app performance optimization
    Veer from developers who focus solely on design without considering performance metrics like load time, battery consumption, or data usage.
  • Misaligned processes
    Look out for firms without a defined communication protocol, project management, and reporting plans.
  • Cookie-cutter proposals
    Watch out for generic proposals that don’t address your unique requirements, target audience, or monetization strategies.
  • Inadequate focus on security
    Steer clear of teams that seem lenient toward data security and regulatory compliance.
  • Disregard for user-centric design
    Do not partner with an agency that fails to consider UI/UX and usability while only concentrating on backend functionality.

What should I ask an app development agency before hiring one?

Here are some questions you should ask an app development agency before deciding to hire it: 

Its Relevant Background 

  1. Did you work on a similar project? 
  2. What are your specializations? 
  3. How many apps have you developed? 
  4. What tools and technologies do you typically use? 
  5. How extensive is your experience in developing cross-platform apps? 
  6. Did your company receive any awards or recognitions for past projects? 
  7. What’s your team’s development capacity? 

Its Services and Processes

  1. How do you approach UX and UI design? 
  2. What methodology do you use (e.g., Agile, Waterfall)? 
  3. Which programming languages and frameworks do you specialize in? 
  4. How do you conduct testing throughout the development process? 
  5. What is your approach to maintenance and updates post-launch? 
  6. How do you manage changes in project scope or unexpected challenges during development? 
  7. How do you handle potential app store rejections and ensure compliance with their guidelines? 
  8. How do you ensure the app's security? 
  9. How do you maintain streamlined communication? Which channels do you use for client updates? 
  10. What does the contract cover? 

Related to Your Project

  1. Which platforms do you propose we use based on your idea?  
  2. Who will work on our project? 
  3. What will be the project timeframe based on the deliverables? 
  4. Do you need the involvement of our in-house teams in the project? 
  5. How will you ensure the accessibility of our app? 
  6. What are your suggested monetization strategies based on our target audience? 
  7. How will you ensure that the app remains compatible and optimized for the latest operating systems? 
  8. Who will own the code after launch?

What are the best app development agencies in the US?

The best app development agencies in the US are:

  • Goji Labs
    • 4.9 stars on DesignRush (10 reviews)
    • 4.9 stars on Google (48 reviews)
    • Top clients: World Wildlife Fund, WHO, City of Los Angeles, American Kennel Club
  • Suffescom Solutions Inc
    • 5.0 stars on DesignRush (38 reviews)
    • 4.6 stars on Google (95 reviews)
    • Top clients: Uber, CashApp, Modani Furniture, King Cubs
  • Zazz
    • 5.0 stars on DesignRush (92 reviews)
    • Top clients: McDonald's, Honda, NBA, Citibank
  • Trango Tech
    • 4.7 stars on DesignRush (7 reviews)
    • Top clients: KIA, Helpp, Matchbox, Click N Kollect 

Why People Trust DesignRush

Rated 4.7 on Google and Trustpilot, DesignRush Agency Directory is a reliable resource for finding mobile app development companies. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators like portfolio, client reviews, and industry reputation.

DesignRush rating logos on Trustpilot and Google

Sources

DesignRush sustains a directory of over 30,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

  • Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
  • The agencies listed get notified of their profiles on the website, and they can choose to claim them or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

About The Author and Expert Reviewer
Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her diverse background in marketing, publishing, and museum curation has enhanced her writing and research abilities. This unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.
Sergio Oliveira is a seasoned software engineer and tech leader with deep expertise in C#, .NET, SQL, Azure, and scalable systems architecture. Holding a BSc in Computer Science and Finance, he pairs technical precision with strategic vision, shaped by years of hands-on professional experience in organizations across Europe and the US. At DesignRush, he oversees the full development lifecycle, from roadmap planning and features prioritization to UX refinement and platform optimization. His work ensures that technical execution aligns seamlessly with the company's goals, growth, and continuous innovation.
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