Partner with top Flutter development companies in the United States to turn your project vision into high-performing, user-friendly, and scalable apps.
Best United States Flutter Development Companies
6 Companies-Rankings updated: September 03, 2026
All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.
Product Design & Engineering for Banks, Fintechs, and Enterprise Platforms
Alty is a 4x Red Dot-winning product design and engineering partner for fintech and banking, with clients including Monobank, Raiffeisen, and Halyk Bank. Its work reaches 60M+ users across 40+ markets. The agency is best for banks and fintech companies needing strategy-led product development...
Top Services:
Mobile App Development
Design Services
Software Development
Web Design
UI/UX Design
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Location
Dover, Delaware
Number of Employees
50 - 99
Average Hourly Rate
$75/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
22 Projects Listed
Alty Services
Mobile App Development
Design Services
Software Development
Web Design
UI/UX Design
Web Development
AI Development
Software Testing
Market Research
Product Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
VISA
Mastercard
Raiffeisen
Monobank
GTBank
PrivatBank
ABA Bank
CBH Bank
Renovite
Corezoid
Data sourced from the agency's DesignRush profile
Alty Reviews & Testimonials
Ewa Koltunczyk (Karabon)
Regulatory Specialist II at CID LINES, An Ecolab Company
5.0★
Mobile App Development Review from Ewa Koltunczyk (Karabon)
I recently had the pleasure of working with Alty to develop our mobile app. We needed a developer who was able to translate my vision and provide technical guidance. The experience has been nothing short of outstanding. From the initial consultation to the final product, Alty's professionalism, expertise, and dedication have exceeded my expectations.
Alty has demonstrated a deep understanding of mobile app development and was willing to go the extra mile. Their ability to translate my ideas into a seamless, user-friendly, and visually appealing app is truly impressive
Adam Kubas
Director at Institute of Physical Chemistry PAS
5.0★
Mobile App Development Review from Adam Kubas
Alty did excellent work for our department. The team prepared
a high-quality and easy-to-understand development roadmap for Virtual Academy of
Bioinformatics. Their positive attitude and willingness to learn made them a pleasure to work with. Overall, I highly recommend Alty for any development role. They have the skills, dedication, and professionalism to excel. Thank you for developing our app.
Rajesh Kasturirangan
Founder at Socratus
5.0★
Web Development Review from Rajesh Kasturirangan
The team at Alty is indeed filled with tech engineers and assiduous individuals with excellent software development skills! The end product work had minimal bugs. Alty has exceptional communication skills, identifies top talent, and goes above and beyond to ensure a smooth development.
Reviews verified by DesignRush and sourced from the agency's profile
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SEM Nexus is an award-winning startup app agency focused on building and marketing startup mobile apps. We live, breathe, and dream startups. They are our life, our passion. Let us help you make your dream into a reality...
Top Services:
Mobile App Development
Digital Marketing
Social Media Marketing
Advertising
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Location
New York City, New York
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
8 Projects Listed
SEM Nexus Services
Mobile App Development
Digital Marketing
Social Media Marketing
Advertising
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Know Wake
Assassins
Nautical Eye
YogiGoFitness
WinQuik
Data sourced from the agency's DesignRush profile
SEM Nexus Reviews & Testimonials
Anonymous
CEO at Cell My Listing
5.0★
App Marketing Review from Anonymous
SEM Nexus built a mobile app for our real estate platform, handling a complex API and other technical elements while also marketing the app. They always deliver what’s promised and maintain strong communication. The team is helpful, honest, and quick to respond, always willing to answer questions and go the extra mile.
Marilyn Major
CEO at FYSH
5.0★
Digital Marketing Review from Marilyn Major
The app is now live on Google Play and App Store and reached 8,450 downloads and 5,621 accounts created. Overall, [we are] satisfied with these success metrics thanks to SEM Nexus. The team manages the engagement well through regular meetings. They're always available, courteous, and honest. (Verified via email)
Anonymous
Founder at Truck'n
5.0★
Mobile App Development Review from Anonymous
The app is easy to navigate and designed for users. We’re very pleased with SEM Nexus’ work, which has exceeded expectations. They manage the partnership well, remain polite and professional, and take full ownership of the project’s success.
Reviews verified by DesignRush and sourced from the agency's profile
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Award WinnerRecipient of a Best Design Award for outstanding work.
100% Focused on Apps
We design and develop top-rated mobile and web apps for startups and SMEs. E-commerce, Healthcare, Marketplaces, and more. Our clients rate us for 5 out 5 - check out why!...
Top Services:
Mobile App Development
Software Development
Web Design
Design Services
AI Development
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Location
San Francisco, California
Number of Employees
50 - 99
Average Hourly Rate
$45/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
30 Projects Listed
Solveit Services
Mobile App Development
Software Development
Web Design
Design Services
AI Development
Web Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Hemie.se
RVista
Lifepal AB
Gumb
Jabal
MyRaceData
JobJob.md
Burger King
OIIO
Leviosa
Data sourced from the agency's DesignRush profile
Solveit Reviews & Testimonials
Mitya Smusin
CEO at Yellow Systems
5.0★
Staff Augmentation Review from Mitya Smusin
Solveit managed our comprehensive eCommerce project, developing a full-featured web platform with Node.js and React technologies. The agency also created a Flutter-based mobile app for seamless data synchronization across iOS and Android devices. We were thoroughly pleased with Solveit's expertise and adherence to deadlines. It provided timely updates and communicated openly about our project's status. Solveit's proactive approach and transparency were exceptional, particularly during the staff augmentation process, where the agency efficiently matched us with qualified candidates and facilitated a smooth onboarding. We were satisfied with Solveit's high-quality work and exceptional support.
Anna Harissis
CEO and Co-Founder at OUT CO
5.0★
Design Services Review from Anna Harissis
They have an incredibly hardworking team at affordable pricing. SolveIt has built the app earlier than expected, and they continue to complete new tasks within the client's budget and timeline.
Gabriel Sabadin
Founder & CEO at LifePal AB
5.0★
iPhone Review from Gabriel Sabadin
We engaged SolveIt to develop a minimum viable product (MVP) app, including a user-friendly iOS design, an artificial intelligence (AI) model, and a monetization strategy while ensuring General Data Protection Regulation (GDPR) compliance and preparing for future integrations. Despite a tight deadline, SolveIt delivered the app on time and efficiently handled beta-testing within three months, allowing us to gather feedback and launch successfully. We acquired our first 1,000 users within a month of launching the app. SolveIt's team communicated effectively, addressed issues proactively, and maintained a high level of autonomy, bringing diverse expertise that greatly benefited our project. We appreciate the agency's dedication and professionalism.
Reviews verified by DesignRush and sourced from the agency's profile
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Alt Digital Technologies is a B2B service provider servicing end to end development, DevOps, Testing and e-commerce solutions for your business. We work efficiently in ATG, Java, React, Salesforce, WordPress and majorly all technologies...
Top Services:
Web Development
eCommerce Development
Mobile App Development
Software Development
Software Testing
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Location
Florida City, Florida
Number of Employees
50 - 99
Average Hourly Rate
$25/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
8 Projects Listed
Alt Digital Services
Web Development
eCommerce Development
Mobile App Development
Software Development
Software Testing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Boeing Co
Etisalat
Neiman Marcus
Data sourced from the agency's DesignRush profile
Alt Digital Reviews & Testimonials
Undisclosed
Product Manager at Aerospace Company
5.0★
Web Development Review from Undisclosed
It is a feeling of both ecstasy and pride to know that all these years of hard work from our team has delivered a website which is delivering a powerful experience designed to meet the needs of our distribution customers. I am proud of our team's effort and also to be a part of this team.
Undisclosed
Product Owner at Manufacturing Company
5.0★
Software Development Review from Undisclosed
You guys are one of the most wonderful people to work with. And most supportive, hardest working. We couldn’t have done what we’ve done in the past 2+ years without this team. Don’t ever forget it your value. You’re absolutely brilliant. It’s been such an honor to be your PO.
Undisclosed
Senior Manager, IT at Aerospace Company
5.0★
Mobile App Development Review from Undisclosed
I preferred Alt Digital Technologies over big companies because of the quality and the stability of their people.
Reviews verified by DesignRush and sourced from the agency's profile
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Embark on your digital transformation journey with AccelOne's Software Development delivery model, strategically designed for optimal outcomes. Initiate your digital transformation seamlessly through our comprehensive nearshore and US-based services...
Top Services:
Software Development
Mobile App Development
Blockchain
UI/UX Design
eCommerce Development
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Location
Seattle, Washington
Number of Employees
100 - 249
Minimal Budget
$25,000 - $50,000
Portfolios Count
5 Projects Listed
AccelOne Services
Software Development
Mobile App Development
Blockchain
UI/UX Design
eCommerce Development
Web Development
AI Development
Staff Augmentation
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
HSBC
Xapo
University of Washington
Pan American Energy SL
Cartoon Network
Data sourced from the agency's DesignRush profile
AccelOne Reviews & Testimonials
Gustavo Lemos
Review from Google
5.0★
Gustavo Lemos's Review Sourced from Google
I've been working in AccelOne for several years already and it's an amazing place to work. Great people and a good variety of clients.
Reviews verified by DesignRush and sourced from the agency's profile
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Enspirit is an AI-native product design and engineering studio helping enterprises and funded startups build digital products that scale. We combine product design, full-stack engineering, AI development, and advisory services in a single team, enabling faster execution from strategy to launch...
Top Services:
UI/UX Design
eCommerce Development
Web Development
WordPress Website Design
AI Development
Show more
Location
Austin, Texas
Number of Employees
50 - 99
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
5 Projects Listed
Enspirit Services
UI/UX Design
eCommerce Development
Web Development
WordPress Website Design
AI Development
Mobile App Development
Software Development
Product Design
Digital Strategy
Web Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Deem
Innovative IDM
Nike
Gritwell
Safe Decisions
Data sourced from the agency's DesignRush profile
Enspirit Reviews & Testimonials
Ali Rock
Review from Google
1.0★
Ali Rock's Review Sourced from Google
Faced an unprofessional experience with Enspirit. HR initially responded quickly and asked for my details, but later kept delaying, saying the technical team was unavailable.
After 15 days of waiting, I was told they are now only considering more experienced candidates. Wasted my time with unclear communication.
Narsi Reddy
Review from Google
5.0★
Narsi Reddy's Review Sourced from Google
Working at Enspirit has been a journey of continuous learning and innovation. The leadership fosters creativity, values every idea, and supports a flexible work culture that empowers us with purpose and growth.
Reviews verified by DesignRush and sourced from the agency's profile
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Arrange for an interview and ask about the development process and project approach.
Select a Flutter development company with proven experience in your industry and project, align with your team's values, and offer post-launch support.
Need help finding a US Flutter development company? Visit our Marketplace and tell us about your project. We’ll match you with top companies for free.
What red flags should I avoid when selecting a United States Flutter development company?
When selecting a United States Flutter development company, avoid the following red flags:
Limited or no Flutter projects in its case studies and portfolio
Lack of knowledge in Dart code, state management, RESTful APIs, JSON, and other Flutter frameworks and widgets
Skips the user research and quality assurance (QA) processes
Weak security and compliance practices
Unrealistic timelines
Doesn’t provide post-launch support and maintenance
Ambiguous project ownership
Multiple client reviews that highlight problematic traits, like poor communication and project delays
What factors affect the pricing of a United States Flutter development company’s services?
Key factors that affect the pricing of a US Flutter development company’s services include:
App complexity: The core features and functions, number of screens and devices, user roadmaps, and overall deployment architecture
UI/UX design: Elements like custom animations, illustrations, interactive elements, and the number of page templates
Tech stack: Costs associated with software licensing, testing platforms, third-party integrations, custom library, server space, and infrastructure
Development team: The level of expertise required, and the number of team members (e.g., developers, designers, DevOps, QA specialists) needed to handle the project
Project timeline: Shorter project turnarounds usually require larger teams or overtime work, increasing costs
Regulatory requirements: Industries like healthcare and finance require more stringent security features and extensive QA testing, which can lead to higher costs due to increased workload
On average, you can expect to pay $15,000-$40,000 for a simple Flutter app and $80,000-$150,000 for more complex solutions.
How long does a typical United States Flutter development project take?
Typically, a simple Flutter app with basic design components and limited integrations can take between 10 and 17 weeks. In contrast, a complex app that requires real-time data handling and elaborate UI/UX design can take around 30-47 weeks.
Here’s a timeline breakdown:
Research and strategy: 2-5 weeks
UI/UX design and prototyping: 2-8 weeks
Development: 4-20 weeks
QA testing: 2-8 weeks
Deployment and post-launch support: 1-6 weeks
Do Flutter development companies in the United States provide ongoing support?
Yes. Leading US Flutter development companies provide ongoing support and maintenance in addition to their initial service warranty. Typically, this comes in the form of an extended service level agreement (SLA) or a flexible engagement model, which allows long-term, more in-depth app maintenance after the initial launch.
Ongoing support services include performance monitoring, security patch installations, platform updates, feature enhancements, and third-party integration management.