Companies like yours.
The four situations we see most. Each comes with a real case, the steps and the price.
We have customers, but no app.
01Pieprzykloyalty app, fuel stations
A loyalty app on their systems.
- The situation
- A fuel station network with its own stock and POS systems, but no app.
- What we did
- The app, a management panel and a backend linked to their stock and POS.
Since2023live at their stations. We still improve it together.
"The app smoothly integrates with our existing systems, ensuring seamless operation."
How it goes
- 1
A call, then a contract and an NDA.
- 2
Prototype to Plan: key screens and a fixed price per milestone.
- 3
We build the app and link it to your systems.
- 4
Release in the App Store and Google Play.
Why companies trust Codigee
- 5.0 on Clutchfrom 19 reviews (opens in a new tab)
- Top Flutter DevelopersPoland, Clutch 2026
- Top App Development CompanyPoland, Clutch 2026
- Google's Flutter Consultantslisted in the directory (opens in a new tab)
- Since 2018a team of 20 designers and engineers, and a technical network of hundreds of experts
Our app is getting old.
02Fitatucalorie counter
Rewritten from Cordova to Flutter.
- The situation
- An app with over 10 million users, built on Cordova.
- What we did
- We rewrote it in Flutter, step by step. Flutter ran inside the Cordova app first.
99.7%crash-free after the rewrite.
How it goes
- 1
An audit: the code, the crashes and the store status.
- 2
A fixed plan: what to keep, what to rewrite, in what order.
- 3
Flutter inside the old app first, screen by screen.
- 4
The full switch, shipped as an update to the same app.
We need mobile experts in our team.
Bank Millennium
Bank Millennium for Corporate, on iOS and Android. Our Flutter developers built critical features in the bank's app team.
App Store (opens in a new tab)Google Play (opens in a new tab)
Crédit Agricole
CA24 Mobile. Our Flutter developers built critical features in the bank's app team.
App Store (opens in a new tab)Google Play (opens in a new tab)
Open Capacity
Deutsche Bahn.
03Two banks and Deutsche BahnFlutter developers in their teams
Inside big companies' teams.
As a subcontractor, we provided Flutter developers to the app teams of two Polish banks. They owned critical features. Our developers also joined the app team of Open Capacity (Deutsche Bahn).
3app teams: two Polish banks and Open Capacity.
"Their developers are reliable, communicative, highly motivated, and experienced in Flutter development."
How it goes
- 1
A call about your stack, process and the roles you need.
- 2
We pick Flutter developers who fit your team.
- 3
They work in your tools, sprints and code review.
- 4
The whole Codigee team stands behind them.
- Pieprzyk
- Fishpro
- Momentum
We need Unity in our app.
04DigitoysFlutter and Unity
Unity scenes in a Flutter app.
- The situation
- Unity content ran in a web app. It had to reach phones.
- What we did
- We built the Flutter app around the client's Unity 6 scenes.
3,000+automated tests. In the App Store since July 2026.
How it goes
- 1
You bring the app, or we build it.
- 2
You bring the Unity project and the design.
- 3
We do the whole integration.
- 4
We staff Unity and Flutter, or Unity stays with your team.
- 5
We use our own open-source Unity Kit.
Pick your path.
A contract and an NDA first, then a fixed price per milestone. Faster with AI: Codigee experts review every line.
- Your path
An app on your systems
Path 01From$15k8-12 weeksApp Launch, typically $15-50k, MCP included. Includes Prototype to Plan (step 1).
- Your path
Your app, rewritten
Path 02From$20kRewrite to FlutterStep 1 is the App Audit, $5-8k: an audit with a fixed plan.
- Your path
Experts in your team
Path 03$60/hFlutter developersMinimum 120 h a month, 2 weeks notice.
- Your path
Unity in your app
Path 04From$5kMigration off flutter_unity_widgetA new Unity integration starts from $8k.
After launch, Care keeps your app up to date: from $2k / month.
See all prices
Not sure which path fits? Ask Eryk. (opens the booking calendar)
Let's make something together.
No overengineering. No wasted time. Just straight-up execution.
Or book a call with Eryk (opens the booking calendar)[email protected]