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Flutter Application Development Services

Get a flawless mobile app with an expressive user interface made with Flutter.

Get in touch!
application screenshots backgroundapp for the vending business

How Your Business can Benefit from Flutter App Development


Great MVP


One app for two
platforms: iOS & Android



cannabis app

Great MVP

Great MVP

Test how your product will work on the market. Build the application on Flutter to create a strong & innovative product and speed up the website development process.

Test your product on the market


One app for two
platforms: iOS & Android

One app for two
platforms: iOS & Android

Reduce budget costs and efforts, and save development time with a cross-platform framework.

Digitize your business

How we apply Flutter benefits
in full-cycle apps development services

development time

Speeds up your time to market

Has an expressive and flexible user interface of any complexity

Simplicity of integration

Ease in finding of engineers

Stability of a platform

Want to strike a cost balance 
in app development?

Download costs on app development based on all factors to consider

I want this file

Interexy’s experience in Flutter Development


The Parsl is a solution for managing cannabis compliance and regulation enforcement.


Develop a stable mobile solution for existing SaaS web-based products to automate logistics & items scanning activities for employees in cannabis businesses.


The main challenge was to integrate the application with complex backend infrastructure and establish a seamless workflow using Flutter – we had to automate scanning activities and thus worked heavily with background threading, main UI thread & local memory a lot.


The application was developed successfully & is live on the marketplace – it’s already being used in cannabis businesses across the West Coast.

Labster app screenshot


Labster is the world’s leading provider of Virtual Science Labs based on mathematical algorithms that support open-ended investigations.


Our goal was to develop an easy-to-use mobile application with a seamless user experience for the existing and already popular web product.


Labster had an existing web-based products and tight time-frames outlined by the investors to develop MVP of the app using complex Unity integrations with new-born app development technology – Flutter.


The app was developed and successfully launched into the Google Play Market – it has 100,000+ users and counting!

Why Choose Interexy

Thanks to the following benefits of the revolutionary Flutter framework, we can help you create beautiful and fully customized mobile application.

Tech Partnership, not Service Delivery

Interexy strives to be your tech partner and help you get through app development, not vice versa. You won’t need to guide us through your business processes, market, and user characteristics.

Thanks to our experience and expertise, we perfectly handle this as if we were your in-house team.

Excellent communication

Well, we know some development providers fail to communicate with foreign clients.
We don’t.
We work with US and European customers only and have developed a clear and efficient communication process over the years. Plus, a high English level is required in our team.

Profound expertise in app development

We have a very specialized field of expertise, and we are best in it. Every Interexy team member, from a developer to a designer, knows their subject flawlessly in the matter of app development. As a result, successful, intelligent apps which benefit our clients!

Clear Processes and Procedures

Yeah, we love processes, and they reciprocate, giving our clients and us a clear vision of a project in return.

We at Interexy implement our well-tested 5-step development process to build clients’ apps from scratch.

Keep up with the mobile-first world!

Get in touch to build a multifunctional, user-friendly, secure mobile app for your business.

Pre-estimate my app project

Flutter App Development features

Smooth Animation

Fast Rendering

Minimal Code

Hot Reload

Beautiful UI with native features of each platform

Widgets Inspect

One code base for web & mobile

Possibility to use native code with the flutter app

Cross-Platform Development

Accessible Native Features and SDKs(camera, photo gallery, like storage)

Flutter App Development features


Jason Kelley

Founder @MUSL

“I was always looking at where it intersects with the skill base of the team and the customer service, communication, project management. You can have a really amazing team of talented developers and programmers but you’re going to end up spending a great deal of your time actually trying to self-manage them. Versus you have the opposite which is really good project management and really excellent communication but not so great development team. And what I’ve enjoyed working with Interexy is the fact that I get both of those pieces together and that has been very satisfactory.”Read more

Saad Saeed

Founder & CEO @ Crumb

“Within its first nine weeks, the app received 8,000 users and a 4.7-star rating. The platform is well designed and hasn’t had many bugs. Interexy LLC is fast and efficient at building new features as well as taking scope changes in stride. Expertise and responsiveness are hallmarks of their work.”Read more

Will von Behr

Founder @ Urbs Travel

“I got an amazing product that was exactly what I envisioned when I first sat out & drew the plans. The two areas that I think where Stan & his team particularly excel: first is attention to detail (…) & secondly the kind of support they’ve provided after the app was largely complete. I’m sure the number of teams just do the bug work & leave it but they are [Interexy team] always on hand to answer any questions really at any time of day which is incredible.
So I’d encourage anyone who wants to build any sort of product to use Stan & his team. It’ll accelerate your business and make your life a whole lot easier.”
Read more

Rob Fedun

Founder of Tinga Nutrition Inc.

“I was very impressed by their level of knowledge, willingness to learn, creativity and customer service. They are a growing company and take this opportunity very seriously, looking to learn from their overall process and client interactions. Interexy LLC is in line with our expectations and they are always available.”Read more

Explore our latest projects case studies

Take a look at some of the iOS and Android apps we developed.
Let’s find out if we’d be the right fit to collaborate.

Explore all

Ways to Engage with us

    Project budget (USD)*
    $20 - 50k
    $250 - 500k
    $50 - 100k
    $500 - 1M
    $100 - 250k
    Fill the form / email us at or give us a call at +48571793561+19312469959 (8:00 am to 5:00 pm pacific time)