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
3 Companies-Rankings updated: September 03, 2026
DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.
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Lionwood.software is a software development company founded in 2017 that builds digital products through long-term, collaborative partnerships with organizations across Europe and North America. The company combines strong engineering expertise with a human-centered approach focused on transparency,...
Top Services:
Software Development
Mobile App Development
Web Development
Blockchain
Staff Augmentation
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Location
Middletown, Delaware
Number of Employees
50 - 99
Average Hourly Rate
$35/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
19 Projects Listed
Lionwood.software Services
Software Development
Mobile App Development
Web Development
Blockchain
Staff Augmentation
IT Services
Web Design
Product Design
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Blue Fetch
Into University Partnerships
DS Apteka
Dizmo Inc
Lingon Certificates AB
Data sourced from the agency's DesignRush profile
Lionwood.software Reviews & Testimonials
Daria Hlavcheva
Head of Business Development at KeenEthics
5.0★
Chatbot Solution Review from Daria Hlavcheva
KeenEthics onboarded Lionwood Software to develop an AI-powered chatbot that could analyze photos of vehicle damage and provide an estimated repair cost for insurance company. The project focused on applying AI to a traditionally manual part of the insurance claims process. The solution needed to interpret car damage from uploaded images, identify relevant damage, and translate the analysis into a cost estimate that could support faster and more consistent claims assessment. Lionwood Software took ownership of the AI development and worked closely with the KeenEthics team to align the solution with the product requirements and insurance use case. Their team demonstrated a strong understanding of both the technical challenges of image-based damage assessment and the business logic behind insurance claims. They were proactive in discussing requirements, clarifying edge cases, and addressing dependencies throughout the development process. The resulting solution helped automate an important part of the vehicle damage assessment workflow, reducing the need for purely manual evaluation and creating a foundation for faster claims processing. Lionwood Software proved to be a reliable technology partner with the expertise to work on AI-driven products where technical implementation needs to be closely aligned with real-world business requirements.
Anonymous
General Manager at S+H TECHNOLOGY SA
4.0★
.Net Review from Anonymous
We outsourced application development work to this team. They proved to be reliable, precise, and competent, consistently delivering on time.
Anonymous
Owner at Fenix-plus
5.0★
Software Development Review from Anonymous
Fenix-plus appreciates Lionwood.software for delivering a comprehensive CRM system that effectively manages key operations, including inventory and staff management. The system has brought notable time and cost savings while providing valuable insights into employee and process performance. Lionwood.software’s dedication to regular updates and high-quality delivery within budget has been highly appreciated.
Reviews verified by DesignRush and sourced from the agency's profile
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Etere Studio is a full-service app development company, crafting high-quality mobile and web apps for startups to Fortune 500 companies. Our elite team of engineers and designers is passionate about building impactful digital products. We excel in QA testing, blending automation and manual testing with the...
Top Services:
Mobile App Development
Web Development
AI Development
UI/UX Design
IoT
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Location
Miami, Florida
Number of Employees
Under 49
Average Hourly Rate
$80/hr
Minimal Budget
$25,000 - $50,000
Etere Studio Services
Mobile App Development
Web Development
AI Development
UI/UX Design
IoT
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
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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.