2026 Edition · Clutch and company data checked Oct 2026

Top 10 Flutter App Development Companies in 2026

Ten companies that build cross-platform apps with Flutter, from dedicated Flutter consultancies to full-service studios, with rates, team size, founding year, location and Clutch ratings for each.

Flutter lets one team ship an app to iOS, Android and the web from a single codebase, which is why so many startups and enterprises now choose it over two separate native builds. The catch is that results depend heavily on the team. Flutter apps that are well architected feel native and stay easy to maintain, while rushed ones run into performance and upgrade problems later.

Thousands of agencies now list Flutter as a service, so we narrowed the field to ten companies with real Flutter work, verified client reviews and clear information about how they engage. Each entry uses the same format so you can compare them on equal terms. This list is published by Idea Usher, which is one of the companies included.

Methodology

How did we compile this list?

We started with companies that offer Flutter development on Clutch, GoodFirms and The Manifest, then checked their profiles, portfolios and websites in October 2026. Each company was compared on the six factors below.

Share of Flutter workHow much of the company's work is in Flutter.
Live Flutter appsApps we could find in the App Store and Google Play.
Verified reviewsClutch ratings and review volume, where available.
Flutter community workOpen-source packages, talks and consultant status.
Full-stack capabilityBackend, APIs, QA and post-launch support.
TransparencyPublished rates, minimums or engagement models.
The 2026 List

Top Flutter app development companies to consider

IU

1. Idea Usher

Best for: Flutter apps with AI features, backend and admin built by one team

Idea Usher is a custom software and AI development company that builds Flutter apps for iOS, Android and the web, along with the backend, admin panels and AI features behind them. Its Clutch reviews cover projects in healthtech, fitness, travel, fintech, ridesharing and gaming, and reviewers often mention its project management and on-time delivery.

Hourly rate$25 to $70
Team size250 to 999
Founded2014
LocationMiddletown, DE, USA
Clutch rating4.9/5 (44 reviews)
Min. project$25,000+
Notable work: Gold's Gym, Buzztime, Mogo, EQL; 1,000+ projects across mobile, AI and blockchain
Visit Website View on Clutch
VG

2. Very Good Ventures

Best for: Large, high-stakes Flutter products

Very Good Ventures is a Flutter-focused consultancy, with Flutter making up about 80 percent of its framework work on Clutch. Its team was behind one of the first commercial Flutter apps in 2017 and maintains widely used open-source Dart and Flutter tools, which makes it a common pick for large brands moving to Flutter.

Hourly rate$150 to $199
Team size10 to 49
Founded2018
LocationNew York, NY, USA
Clutch rating5.0/5 (35 reviews)
Min. project$100,000+
Notable work: AB InBev, Betterment; financial, gaming and publishing apps
Visit Website View on Clutch
LC

3. LeanCode

Best for: Flutter apps for banks and fintech

LeanCode is a Flutter specialist, with Flutter making up about 90 percent of its framework work on Clutch and financial services its largest industry. It created Patrol, an open-source UI testing framework for Flutter, and works with several European banks.

Hourly rate$50 to $99
Team size50 to 249
Founded2016
LocationWarsaw, Poland
Clutch rating5.0/5 (40 reviews)
Min. project$25,000+
Notable work: Millennium Bank, Credit Agricole Bank Polska, Virgin Money, Tide, Shell
Visit Website View on Clutch
SS

4. Somnio Software

Best for: Cross-platform apps for startups and mid-size companies

Somnio Software is a Latin American studio that focuses on cross-platform apps, with Flutter and React making up most of its framework work. Its team speaks regularly at Flutter conferences and works mainly with fintech and health and wellness products.

Hourly rate$50 to $99
Team size50 to 249
Founded2019
LocationMontevideo, Uruguay
Clutch rating5.0/5 (46 reviews)
Min. project$10,000+
Notable work: Huawei, Tracer Golf, SparrowPay, PadsPass
Visit Website View on Clutch
NT

5. nomtek

Best for: Flutter and FlutterFlow apps, including AR and XR

nomtek is a Polish product studio recognized as a Flutter and FlutterFlow consultant. Alongside Flutter apps, it builds for Meta Quest and Apple Vision Pro and reports shipping more than 250 products.

Hourly rate$50 to $99
Team size50 to 249
Founded2009
LocationWrocław, Poland
Clutch rating4.9/5 (43 reviews)
Min. project$25,000+
Notable work: Siemens Healthineers, Qualcomm, Magic Leap
Visit Website
DR

6. Droids On Roids

Best for: Larger Flutter and native builds with a European team

Droids On Roids is a mobile development company that builds both native and Flutter apps for startups and established businesses. It has one of the larger review counts among Polish mobile studios and typically takes on bigger projects, with a higher minimum than most firms on this list.

Hourly rateNot listed
Team size50 to 249
Founded2011
LocationWrocław, Poland
Clutch rating4.9/5 (78 reviews)
Min. project$75,000+
Notable work: Native and Flutter apps for startups and established brands
Visit Website
MO

7. Monterail

Best for: Flutter apps alongside web platforms

Monterail started as a web development company and later built a standalone Flutter practice. It reports more than 900 projects overall, including healthcare and enterprise apps for large international brands.

Hourly rate$25 to $49
Team size50 to 249
Founded2010
LocationWrocław, Poland
Clutch rating4.8/5 (64 reviews)
Min. project$10,000+
Notable work: Bosch, Merck, EY
Visit Website
WA

8. Walturn

Best for: Flutter apps for universities and research groups

Walturn is a New York product studio that adopted Flutter in 2018 and is listed among Flutter's recognized consultants. Much of its portfolio comes from education, science and cultural institutions.

Hourly rate$25 to $49
Team size10 to 49
Founded2016
LocationNew York, NY, USA
Clutch ratingNot listed
Min. projectNot listed
Notable work: New York University, MIT, Harvard, Howard Hughes Medical Institute
Visit Website
JM

9. Jackrabbit Mobile

Best for: Fast Flutter MVPs

Jackrabbit Mobile is an Austin-based app studio with a strong Flutter practice focused on getting cross-platform MVPs to market quickly. It has built more than 50 apps across nonprofit, B2B and entertainment clients.

Hourly rateNot listed
Team sizeNot listed
Founded2012
LocationAustin, TX, USA
Clutch ratingHighly rated
Min. projectNot listed
Notable work: 50+ apps for nonprofit, B2B and entertainment clients
Visit Website
FA

10. Flutter Agency

Best for: Smaller Flutter and FlutterFlow projects

Flutter Agency is an Indian development company that works almost entirely in Flutter and FlutterFlow. It has a low minimum project size and also offers AI chatbot and API development, mostly for medical, financial and ecommerce clients.

Hourly rate$25 to $49
Team size50 to 249
Founded2018
LocationGandhinagar, India
Clutch rating5.0/5 (7 reviews)
Min. project$5,000+
Notable work: Medical, financial services and ecommerce apps
Visit Website View on Clutch

Company data from Clutch.co, GoodFirms, The Manifest and company websites, checked October 2026. Ratings and rates change, so confirm them before you sign.

Why It Matters

Why work with a Flutter development company?

Flutter makes it possible to build for iOS, Android and the web at once, but getting the full benefit takes experience. Teams that work in Flutter every day know how to structure state management, keep animations smooth on older devices and connect native features such as payments, maps and Bluetooth without breaking the shared codebase.

A specialist team also helps with the long run. Flutter and its packages update often, and an experienced company plans upgrades, testing and release pipelines so the app keeps working as iOS and Android change each year.

What They Do

What are the key functions of a Flutter app development company?

Planning and architecture. The team turns your idea into a feature list and picks the right Flutter architecture, state management approach and backend before development starts.

Cross-platform design and development. Designers create one design system that works on every platform, and engineers build the Flutter app, the backend and any native integrations it needs.

Testing, release and maintenance. QA engineers test the app on real iOS and Android devices, the team handles store submission, and ongoing support covers Flutter upgrades, fixes and new features.

Endnote

Picking the right Flutter partner

There is no single best Flutter company for every project. Very Good Ventures suits large brands with big budgets, LeanCode stands out for banking and fintech, nomtek is strong on AR and XR, Somnio Software and Monterail fit mid-size budgets, and Flutter Agency is a practical option for smaller projects.

A practical approach is to shortlist two or three firms, share the same feature list with each, and compare written estimates on scope before price. If you would like help putting that feature list together, you can talk to the Idea Usher team.