Flutter app development services

10 Best Flutter App Development Service Providers for Startups in the USA

29 Dec 2023

“Innovation distinguishes between a leader and a follower.” – Steve Jobs

Flutter is one of the emerging technologies in the world of app development


Well, around 1 million apps on the Google Play Store are built using Flutter and many companies are choosing Flutter app development services due to the high-quality performance and scalability they get from it.

Moreover, it’s one of the most versatile technologies for developing apps suitable for various platforms. According to statistics shared by Google about Flutter developers,

“60% are developing with Windows, 27% are using macOS, and 13% are using Linux.

78% of Flutter developers use the stable channel, 11% use beta, and 11% use either dev or master.

The top five territories for Flutter are India, China, the United States, the EU, and Brazil”

However, to leverage the best Flutter app development services you need to hire Flutter app development companies because they have specialization in developing end-to-end apps and softwares with Flutter. 

Choosing the best-suited Flutter app development company can be an especially daunting task if you’re a startup. To simplify your decision, we have compiled a list of 7 Best Flutter App Development Service Providers for Startups in the USA. 


Let’s get started !

10 Best Flutter App Development Service Providers

1. Nintriva

Nintriva, top flutter app development company for startups in the USA

Alt txt: Nintriva, top flutter app development company for startups in the USA

Nintriva is a top Flutter app development company in the USA. They’re experts at making strong and scalable mobile apps for startups. Their team of experienced Flutter developers knows how to use the framework to build innovative and great apps.

Nintriva can help with everything, from designing the look and feel of the app to building the behind-the-scenes stuff and making sure everything works well. They’re a great choice for entrepreneurs who want to bring their app ideas to life.

Services Offered:

What makes them stand out:

Nintriva has a unique five-step approach that helps them to craft perfectly suited solutions for their clients. This includes: 

  1. Ideation
  1. Defining Feature Set
  2. Design
  3. Development
  4. Testing & Deployment

At the core of Nintriva, you’ll find a dedicated team of full-stack developers who take time to evaluate the specifics of your business. They will leave no stone unturned to know your potential customers and competitors with the aim of creating tailor-made ecommerce strategies.

What truly sets Nintriva apart is their skill in making the most of the latest web and mobile technologies. They create up-to-date, reliable and scalable applications designed to grow along with your business. Moreover, they are committed to building these strong applications at a reasonable cost, ensuring their clients enjoy cost-effective solutions. 

Pricing Details:

Hourly Rate – 25 – 49 USDMinimum Project Size – 7,500 USD

Notable Projects

Toffee Ride

Tofferide is an intelligent learning platform for primary kids built by Nintriva using the Flutter framework.

Toffee Ride is a smart learning platform for young kids, created by an IIT graduate. It features over 1100 fun lessons and another 8000 interactive tasks. The main goal is to boost learning for kids in primary school.

Nintriva created a user-friendly, cost-efficient, scalable and secure edtech platform for them. Making it easy for them to facilitate their services and offering world-class user experience.

Technologies UsedFlutter, Angular JS, Java Springboot

Read More Case Studies: Case Studies | Nintriva

build with flutter development expert

2. WillowTree, Inc.


WillowTree, Inc. is a well-known company that is really good at developing Flutter apps. They have developed many award-winning apps and are trusted by startups and large enterprises.

WillowTree cares a lot about making its apps look good and easy to use. In addition, they know how to leverage Flutter fully and have great design skills, so startups can rely on them to develop great and powerful mobile apps.

Services offered

  • Growth marketing 
  • Design 
  • Development 
  • Analytics & Optimization

Pricing details 

Minimum Project Size: $250,000+

Avg. hourly rate: $150 – $199 / hr

3. OpenXcell


OpenXcell is a great company that specializes in developing Flutter apps for startups. The team at OpenXcell is equipped with experienced Flutter developers who know how to create apps with lots of features that look good.

OpenXcell is known for being innovative and ensuring customer satisfaction. They work strategically and let startups see the progress, testing, and updates at regular intervals. They also provide continuous support and updates to keep the app working. 

Services offered 

  • UI/UX
  • Product Engineering 
  • QA & Testing 
  • AL & ML

Pricing Details 

Minimum Project Size: $10,000+

Hourly Rate: < $25 / hr

4. Mindinventory


MindInventory is a top Flutter app development agency that helps startups. They offer complete app development services, from consulting to design, development, and maintenance.

MindInventory has a team of talented Flutter developers who understand the needs and difficulties of startups. They focus on developing scalable, user-friendly apps matching the startup’s vision and goals.

Services offered 

  • Mobile app development
  • UI/UX design
  • Unity development 
  • Game development 

Pricing Details 

Minimum Project Size: $10,000+

Hourly Rate: $25 – $49 / hr

5. Dedicated Developers 

Dedicated Developers

Dedicated Developers is a well-known Flutter app development company that helps startups in various industries. They have a team of talented Flutter developers who use the framework to create user-friendly and robust mobile apps.

Dedicated Developers greatly emphasize client satisfaction, so they work closely with startups to understand their needs and wants. They use flexible methods and keep communication open during development.

Services offered 

  • Mobile application development
  • Software product development
  • Full stack development

Pricing Details 

Minimum Project Size: $25,000+

Hourly Rate: $50 – $99 / hr

6. Simpalm 


Simpalm is a reliable company that makes custom mobile apps using Flutter. They focus on working with startups and have a skilled team of developers who know all about Flutter. They make creative and fun apps that people enjoy using.

Simpalm involves startups in every part of making the app, so it’s a team effort. They care about making the app look and feel good for users and match the startup’s style and the people they want to reach.

Services Offered 

  • Mobile app development
  • IT staffing & recruiting
  • Responsive web development
  • Cloud backend server 

Pricing Details 

Minimum project details:  $10,000+

Hourly rate: Undisclosed

7. Blue Label Labs

Blue Label Labs

Blue Label Labs is a famous agency that makes apps for startups. They use Flutter to create apps. They have made lots of successful apps for different industries. Blue Label Labs follows a step-by-step process to make apps.

They start by getting ideas and designing the app, then they develop it, test it, and finally release it. They work closely with startups and listen to what they need. They make sure the app is special and works well for the users.

Services offered

  • Design & user testing
  • Branding
  • Development 
  • Analytics 

Pricing Details 

Minimum project size: $20,000

Hourly rate: $29-$49

8. Nyoka Flutter

Nyoka Flutter

Nyoka Flutter is a team of expert developers excelling in Flutter app development, focusing on crafting beautiful, efficient, and user-friendly cross-platform mobile applications.

Their experience spans various industries like healthcare, edtech, real estate, manufacturing, and transportation. 

With a deep understanding of the Flutter framework, they deliver customized mobile app solutions tailored to meet specific business needs, ensuring a seamless user experience on both iOS and Android platforms.

Services Offered:

  • High-Quality Mobile Application Development: Utilizing Flutter, a robust open-source framework, to build top-tier mobile apps.
  • Cross-Platform Compatibility: Creating applications that run efficiently on both iOS and Android platforms.
  • Custom Flutter App Development: Tailoring apps to meet unique business requirements.
  • App Enhancement: Updating existing applications with new features and functionalities.
  • Industry-Specific Solutions: Developing apps across various sectors, such as healthcare, edtech, real estate, manufacturing, and transportation.

Pricing Details 

Minimum Project Size: $10,000+

Hourly Rate: $50 –  $25 to $49/hr

9. Appinventiv


Appinventiv stands as a global leader in product development and digital transformation, bridging the gap between innovative ideas and real-world applications with advanced technology. This top-tier digital transformation agency has been empowering disruptive startups and established fortune companies worldwide.

With a passionate team of over 1500 mobile experts, the focus is on dreaming, architecting, designing, and developing to deliver innovative solutions and unparalleled results. This team’s commitment to crafting cutting-edge technology solutions has led to breaking growth records and establishing a unique work culture.

Services Offered:

  • Digital Transformation & Product Engineering
  • Mobility
  • Cloud & DevOps
  • Blockchain Development
  • Data & Analytics

Pricing Details 

Minimum Project Size: $50,000+

Hourly Rate: $25 to $49/hr

10. Surf


Award-winning in Flutter and native app development with over 12 years of experience, this company focuses on user-centric applications, earning the love of millions. Embracing key values like product approach, total immersion, innovation, and partnership, the aim is to collaborate with businesses sharing these ideals.

Services Offered:

  • Mobile App Development
  • Flutter App Development Company
  • Quality Assurance and Testing Automation

Pricing Details 

Minimum Project Size: $25,000+

Hourly Rate: $50 –  $99 /hr

How To Choose The Best Flutter App Development Company? 

Here are the criterias that can help you to determine the ideal Flutter app development company: 

1. Unmatched Expertise

The premier Flutter development firms bring an unrivaled level of expertise and experience to the table. They leverage this knowledge to deliver highly efficient and robust applications, designed to meet unique business requirements.

2. Adaptability

 As the Flutter framework constantly evolves, the leading development companies remain in sync with the latest updates and enhancements. They utilize these new features to build future-ready applications.

3. Quality Codebase

High-quality companies ensure clean and maintainable code, resulting in applications that are easy to debug and upgrade. This translates into increased longevity and fewer technical hitches for your app.

4. Process Efficiency 

Top Flutter development firms have honed their processes for maximum efficiency. They utilize best practices and advanced tools to ensure timely project completion without compromising on quality.

5. Reliable and Professional

The best Flutter development companies maintain a high level of professionalism, providing regular project updates and promptly addressing queries. Their reliability in delivering on time and according to specifications builds trust and long-term relationships.

6. Post-deployment Support

Top-tier firms understand the importance of continuous support post-deployment. They offer comprehensive maintenance and support services to ensure the app remains up-to-date and continues to deliver an optimal user experience.

7. Security Assurance

Prioritizing security, premier Flutter development companies build apps with strong security protocols to safeguard user data and provide secure transactions.

8. Cost-effectiveness

Investing in a high-quality Flutter development company often results in greater cost-effectiveness in the long term. Their efficiency, commitment to quality, and reduced need for future maintenance make them a wise investment.


Startups must choose the right Flutter app development company to create mobile apps that engage audiences and help them grow their business. 

The top Flutter app development companies in the US we have mentioned have a proven track record of building great Flutter apps for startups. Each company has its own strengths and capabilities, but we recommend considering Nintriva. Nintriva has much experience working with startups, has a dedicated team of Flutter developers, and is committed to developing high-quality apps.

When you start app development, choose a Flutter developer based on their skills, experience, communication, and understanding of your startup’s goals. Working with the right Flutter app developer will bring your app idea to life and help your startup succeed in the digital world!

Build high performing scalable apps with Nintriva. Contact us to discuss your project.


1. What is Flutter?

Flutter is an open-source UI toolkit from Google for creating high-quality, natively compiled applications for mobile, web, and desktop from a single codebase.

2. What are flutter app development services? 

Flutter app development services refer to the designing and building of cross-platform applications using the Flutter framework. These services include custom app creation, widget development, API integration, and app upgrade or migration to Flutter.

3. What are the main advantages of using Flutter?

Flutter provides fast development with hot reload, expressive and flexible UI with a rich set of widgets, and native performance on both iOS and Android platforms from a single codebase.

4. What is the cost of flutter app development in the USA?

The cost of Flutter app development in the USA can vary widely and depends on several factors:

  • Complexity of the app:
  • Number of platforms
  • Developer’s expertise
  • Maintenance and updates 

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