Searching for a top-rated application modernization services company to future-proof your business? Our directory provides industry-leading experts specializing in transforming legacy systems. With insights from verified client experiences and success stories, we make it easy for you to compare options based on location, budget, and hourly rates to find your next agency partner.
Best App Modernization Services Agencies
1,002 Companies - Rankings updated: April 05, 2026
All mobile app development firms on DesignRush have been assessed for their expertise, portfolio, and verified client reviews. Some listings may be paid.
Transforming ideas into applications
Our name is inspired by the Turritopsis Dohrnii, a species of Jellyfish that can revert to its life-cycle form, via cellular differentiation. It creates a newer version of itself. Jellyfish Technologies uses design, engineering, and technology skills to transform the ideas of its valued clients into [... see all Jellyfish Technologies reviews ]- Location
- Noida, India
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
We help startups to start up!
The one-stop shop for early-stage digital startups to get their products built! Get started with our product-as-a Service model today, save on hiring costs, and let us become your second brain. [... view Pyango profile ]- Location
- Fahrwangen, Switzerland
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Propel Your Business Forward
SlickDevs is a premier custom software development company specializing in transforming innovative ideas into robust, scalable applications. With a dedicated team of experts, we provide comprehensive solutions tailored to meet the unique needs of tech startups, mid-market companies, and enterprise [... view SlickDigital profile ]- Location
- Bellevue, Washington
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Portfolios Count
- 5 Projects Listed
Better Teams // Better Software
Sketch provides software development services for Fortune 500 clients and startups alike. We specialize in product delivery consulting, software development services, and cloud consulting services. [... view Sketch Development Services profile ]- Location
- St. Louis, Missouri
- Number of Employees
- Under 49
- Minimal Budget
- $50,000 & Up
End-to-end customized software development and IT consulting services.
SCD is a custom software development company based in Dubai, UAE.Since 2002, we have collaborated with innovative Startups, SMEs, and Enterprises from Western Europe, USA, Canada, & the Middle East. We have completed dozens of large-scale projects and plenty of smaller ones of various complexity. [... view SCD Information Technologies profile ]- Location
- Dubai, United Arab Emirates
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
YOUR BRAND, WORLDWIDE.
Creative Tech & Software Company shaping the future of digital products & services [... view Plan A Agency profile ]- Location
- Dubai, United Arab Emirates
- Number of Employees
- 50 - 99
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
New Renaissance Software
Lumitech is a software and services technology company based in Dubai with an R&D team in Eastern Europe. [... view Lumitech profile ]- Location
- Dubai, United Arab Emirates
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Automation-first systems, AI solutions, and scalable digital products for growing companies.
Boutique software studio focused on automation and AI. We build scalable systems that improve operations, reduce friction, and support long-term growth for startups and companies across the US and LATAM. [... view The Blue Box profile ]- Location
- Rosario, Argentina
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
We like to chat with people to learn From their Word.
At FromWord, we specialize in narrating captivating tales of companies, delving into their identity and the profound impact of their brand. Our strategic methodology, rooted in design thinking and data-driven design, ensures that each story we craft resonates authentically with audiences while driving [... view FromWord profile ]- Location
- Milan, Italy
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Inspired by innovation.
Navus is a dynamic and forward-thinking software development company committed to transforming ideas into powerful digital solutions. With a focus on cutting-edge technologies and a passion for innovation, we specialize in creating bespoke software tailored to meet the unique needs of our clients. [... view Navus profile ]- Location
- Klaipėda, Lithuania
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Portfolios Count
- 7 Projects Listed
Your tech partner for success.
cysparks stands as a strategic leader in delivering next-generation tech solutions designed to future-proof businesses. With expertise in data analytics, software engineering, and cloud services, cysparks enables companies to harness the full power of technology to enhance efficiency [... view Cysparks Inc profile ]- Location
- Nakuru, Kenya
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 7 Projects Listed
Supercharge - Innovating Digital Product Development
At Supercharge, we partner with our clients to turn disruption into opportunity by creating transformative digital solutions. With over 200 digital experts across New York, London, Amsterdam, Helsinki, Vienna, and Budapest, we develop digital strategies, design delightful interfaces, and build robust software [... view Supercharge profile ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 6 Projects Listed
A New and Proven Approach to Growth Strategies.
We help generate and incubate new ideas that promote growth, by partnering with our clients to define a true north based on business goals, build a backlog of innovation, then help bring it all to life through more than two decades of experience and expertise. [... view GrowthMob profile ]- Location
- Cincinnati, Ohio
- Number of Employees
- Under 49
- Minimal Budget
- $10,000 - $25,000
Crafting Your Digital Experiences
Tringapps is a pioneer in building state-of-the-art SAAS products with a worldwide audience. The daily audience base of the products designed and built by Tringapps is currently 400 Million active users and counting!. [... see all Tringapps reviews ]- Location
- New York City, New York
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
Certified IT Services & Digital Transformation with agentic AI
Sunrise Technologies is a 100% Australian-owned and operated software development company with offices in Sydney and Perth, and a global presence spanning Singapore, India, and Dubai. [... view Sunrise Technologies profile ]- Location
- Sydney, Australia
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Achieve New Heights Of Success Through Online Platforms.
We're The Rebels In The Room, Stirring Up A HOT MESS Of Creative Genius! At Ecompapi, Papis on a mission to supercharge your business. Take the marketing load off your plate, so you can be the boss of your business. We're your brands ultimate marketing sidekick always useful, relentlessly innovative, and [... view Ecompapi profile ]- Location
- Surry Hills, Australia
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
developing highly polished games with a great visual quality in a short development time
At Bekhoteam, we provide development services as a work-for-hire company, specializing in creating new games from scratch or offering reskinning options from our extensive catalog. Our team's main strength lies in developing highly polished games with exceptional visual quality within tight deadlines and at [... view Bekho Team profile ]- Location
- Viña del Mar, Chile
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
Digital Design & Technology Experts
Leo9 Studio is a global branding and design agency blending neuromarketing, creativity, and technology to build human-centred brands, websites, and digital experiences that inspire emotion, boost engagement, and drive measurable business growth. [... view Leo9 Studio profile ]- Location
- Mumbai, India
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Portfolios Count
- 8 Projects Listed
Your partner from alpha to ultimate.
At TRooTech, we are dedicated to creating custom software solutions that drive business success. We build meaningful partnerships, integrating seamlessly with your team to transform innovative ideas into reality. [... view TRooTech Business Solutions profile ]- Location
- Ahmedabad, India
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
We build data-driven apps.
We're based in New York and were named one of the top performing app dev agencies for startups by the GoodFirms. Check out some of the awesome work we did here https://bromin7.com. [... view Bromin7, Inc. profile ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $89/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
Engineering Intelligent & Scalable Solutions.
VentureDive is an award-winning custom software development company dedicated to spearheading digital transformations for Fortune 500 companies across BFSI, CPG/retail, healthcare, transportation, logistics, and QSR industries through its expertise in the realms of Fintech, Data & AI, HealthTech, PropTech [... view VentureDive profile ]- Location
- Mountain View, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
We have robust expertise in creating intuitive mobile applications that drive business growth.
Zennaxx, founded by Kunal Vaja in 2014, is an application development agency specializing in web, app, and software development. Headquartered in India, with an additional office in Canada, Zennaxx offers innovative IT solutions, including cloud services, managed IT support, and HRMS systems. [... see all Zennaxx reviews ]- Location
- Rajkot, India
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Technology for Projects Digital.
Expertos en Desarrollo de Apps, Diseño UX/UI, Desarrollo web y Branding, y Modelamiento de proyectos digitales. [... view CRIZZ profile ]- Location
- Bogota, Colombia
- Number of Employees
- Under 49
- Average Hourly Rate
- $19/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
We Are Alchemists! Let's Make Gold Together!
Atanor Creative is a Miami-based agency that transforms brands through innovative design and strategic marketing. Inspired by alchemy, we turn creative ideas into extraordinary brand experiences. Our services include branding, web design, content creation, and social media marketing, all tailored to highlight [... see all Atanor Creative reviews ]- Location
- Miami, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
Healthcare Software Development Company - AI Voice Agents
Healthcare Software Development company. AI Solutions, Voice AI Agents, GenAI platform development, HL7 FHIR Software Development, and more. [... view SPsoft profile ]- Location
- Wilmington, Delaware
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 3 Projects Listed
- We are your Certified Umbraco Gold PartnerKickbyte is one of Canadas leading Umbraco agencies, with three of the four Umbraco Masters in the country on our team. We specialize in enterprise-grade Umbraco builds, custom integrations, and complex migration projects. Our teams deep technical expertise ensures [... view Kickbyte Digital Solutions profile ]
- Location
- Edmonton, Canada
- Number of Employees
- Under 49
- Minimal Budget
- $25,000 - $50,000
Award-winning custom software dev & web design
SPARK provides custom software, web design, and digital marketing services that move your business forward. [... view SPARK Business Works profile ]- Location
- Kalamazoo, Michigan
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
Global technology development firm
Our solutions' business drivers include boosting market share, improving customer engagement, fostering innovation and differentiation, enhancing operational agility and efficiency, cutting costs, or standardizing business processes in a secure way. [... view Emvigo Technologies profile ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Offering Cutting-Edge AI Integration, SEO and Digital Solutions for Thriving Businesses
Velvet Media Labs is an expert multimedia agency based in McAllen, TX specializing in high-performance web design/development, SEO and AI Integration. Since 2018, we've been dedicated to driving results for businesses across McAllen and the rest of Texas. [... view Velvet Media Labs profile ]- Location
- McAllen, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $120/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Empowering Businesses through custom software solutions
We empower businesses of all sizes, from startups to enterprises, by making smart and creative digital solutions. We care about our client's requirements and work hard to understand them. By listening closely, we ensure our software fits their needs perfectly and helps them do great things. [... see all Metwaves Technologies reviews ]- Location
- Ahmedabad, India
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Software Engineering That Creates Value
We're a global team of developers, designers, and problem-solvers creating impactful software since 2007. IT-Dimension builds future-ready software from AI and IoT to mobile, enterprise, and 3D solutions. [... view IT-Dimension profile ]- Location
- West Hollywood, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $49/hr
- Portfolios Count
- 4 Projects Listed
We Do It For Them, For Us, For The People, We Are Digital People.
We treat every mission with the seriousness it deserves. Our focus is delivering the best possible outcome for your goal, staying within budget by ensuring every step is executed with maximum efficiency. [... see all Somos Gente Digital reviews ]- Location
- Medellín, Colombia
- Number of Employees
- Under 49
- Average Hourly Rate
- $37/hr
- Minimal Budget
- $1,000 - $10,000
End-To-End Technology Solutions For Digital Excellence
Expeed Software is a software development company that assists organizations in modernizing, integrating, and optimizing existing systems and processes in order to deliver exceptional user experiences. Our major competency is on software application development. We have been working with top MNCs and Fortune [... view Expeed Software profile ]- Location
- Worthington, Ohio
- Number of Employees
- 100 - 249
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
Empowering Tomorrows Innovations Today
At Tech Admire, we are more than just a company, we are a dynamic force of creativity, aspiration, and enthusiasm. Established to provide cutting edge services and IT solutions, Tech Admire brings together extensive experience and a dedicated team committed to driving growth and innovation in every project. [... see all Tech Admire reviews ]- Location
- Bartlett, Illinois
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
Globally Recognized Digital and Engineering Solutions Partner.
Named Best AI Company and Software Development Company by The Netty Awards, Opinov8 is a global technology firm with development hubs across the United States, Europe, and Egypt. [... view Opinov8 profile ]- Location
- Chicago, Illinois
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $42/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 3 Projects Listed
Your vision - our solution.
Cost-effective solutions for your business. Viso is a custom software development company. We provide comprehensive services from the initial concept and design to the final stages of testing and product launch we ensure that every step is executed with precision and care to achieve the highest quality [... view VISO profile ]- Location
- Lviv, Ukraine
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Business beyond the summit
TopOut Group is a full-service digital agency with a focus on performative e-commerce and revenue generating scalable advertising. [... view TopOut Group profile ]- Location
- Chicago, Illinois
- Number of Employees
- Under 49
- Average Hourly Rate
- $185/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 2 Projects Listed
Full-service & full-stack digital agency
Established in 2007, Cubet is a full-service and full-stack digital agency that offers comprehensive solutions to help businesses scale. [... view Cubet Techno Labs profile ]- Location
- Atlanta, Georgia
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 7 Projects Listed
Designing and Building Platforms for Your AI Bot Development.
ISBX (Interactive, Strategy, Branding, Execution) stands as the premier web and mobile application development agency in Southern California, boasting extensive expertise across a diverse spectrum of digital services such as Mobile, Blockchain, IoT, Web3, and Web Development. With a track record of [... view ISBX profile ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 7 Projects Listed
Your Vision, Our Experts with Portal & Mobile Framework, Powerful Results!
Why build from scratch! Our Portal, Mobile and AI framework provides 30-40% increased time to market. Built with Enterprise Security/Compliance for Azure/AWS clouds. ContentActive (Houston) provides Strategy, UI/UX, Web/Mobile/AI/Automation/IoT & DevOps. Your Vision, Our Experts, Powerful Results! [... view ContentActive, LLC profile ]- Location
- Houston, Texas
- Number of Employees
- Under 49
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 4 Projects Listed
Transforming Ideas Into AI-Driven Web And Mobile Apps
Since 2012, Agile Cyber Solutions has transformed ideas into reality for startups and businesses. Specializing in web, API, mobile, and AI technologies, we deliver agile, client-focused solutions with ongoing support. With 350+ projects, we align every product with our clients vision. [... view Agile Cyber Solutions profile ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 6 Projects Listed
Let's build amazing technology together
Turning ideas into impact since 2012, The SilverLogic (TSL) powers 200+ success stories with elite engineering, AI, and automation. We dont just build software, we craft scalable solutions that drive growth, speed, and results your business can measure. [... view The SilverLogic profile ]- Location
- Boca Raton, Florida
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $145/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 2 Projects Listed
Web Design and Mobile App Development Company
Carmatec is an enterprise IT solutions provider with over 20+ years of proven industry experience and has successfully carved out a niche in web development, software and application design and development apart from its expertise in mobile development, managed IT services & cloud solutions. [... view Carmatec profile ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Web & Mobile App Development, Digital Marketing
AXAT Technologies, is a fast Growing Web Development, Mobile App Development and Digital Marketing firm, Located at Mumbai, India and Singapore. Website Development, Web App Development, E-Commerce Development, Custom Application Development, Cloud Application Development, SAAS Application Development [... view AXAT Technologies profile ]- Location
- Mumbai, India
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 Projects Listed
Turning Ideas into Reality, One Line of Code at a Time.
Ventor Labs Inc. is a leading provider of custom software solutions, specializing in web and mobile applications, blockchain and AI software, product design, branding, and IT consultancy. We are committed to delivering innovative, tailored solutions to meet the diverse needs of our clients. [... view Ventor Labs Inc. profile ]- Location
- Winnipeg, Canada
- Number of Employees
- Under 49
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
We're Salesforce trailblazers and enablement experts.
Astonous is a dedicated Salesforce consulting and application development firm delivering cross-platform solutions. [... view Astonous profile ]- Location
- Jaipur, India
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $55/hr
- Portfolios Count
- 8 Projects Listed
Custom Software Services and Solutions
Logikos provides custom software services, specializing in embedded, desktop, web, and mobile software solutions, as well as software testing services. [... view Logikos profile ]- Location
- Fort Wayne, Indiana
- Number of Employees
- 100 - 249
- Minimal Budget
- Under $1,000
Creating Top-Tier Content In Record Time
XOD is a dynamic creative group based in Ljubljana, specializing in media production and marketing. We excel in crafting engaging content and developing smart strategies that help brands connect with their audiences effectively. From video production to social media analysis, our versatile team deli [... view XOD Agency profile ]- Location
- Ljubljana, Slovenia
- Number of Employees
- Under 49
- Average Hourly Rate
- $10/hr
- Minimal Budget
- Under $1,000
Constructing stories that inspire and resonate
Basically, we want to team up to create compelling experiences that will both transform your brand and make your mother proud. We are the dreamers and achievers with the dedication and experience to breathe life into your digital marketing fantasies. [... view The Lead Agency profile ]- Location
- Johannesburg, South Africa
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- Under $1,000
We create solutions using technology and design!
A digital agency from Rio de Janeiro focused on solving problems! [... view Fattoria profile ]- Location
- Rio de Janeiro, Brazil
- Number of Employees
- Under 49
Explore Mobile App Development Specializations
- Accessibility Mobile App
- Android
- App Development Consultants
- Consumer
- Cross-Platform
- eCommerce
- Educational
- Enterprise
- Entertainment App Development
- Field Operations
- Financial
- Fitness App Development
- Food Delivery App Development
- Freelance
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- Games
- Government
- Healthcare
- HTML5
- Hybrid
- Insurance
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- Nonprofit
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- React Native
- Restaurant App Development
- Small Businesses App Development
- Social Network Apps
- Sports App Development
- Startup
- Telemedicine App Development
- Thunkable
- Travel App Development
- Wearables
- Windows
Why People Trust DesignRush
Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding application modernization services 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.
Learn more about DesignRush Agency Ranking Methodology.
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About The Author and Expert Reviewer
Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her 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 is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.
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