CrustLab your mobile development service provider!

We will develop your mobile application. We build mobile apps for Apple/Android TV/IoT devices using Swift, Kotlin and Flutter for innovative companies from around the world. We provide a full mobile app development lifecycle, including UX/UI for native and cross-platform apps. Fill in the contact form and let’s talk!
Mobile app development service

Mobile app development service

With Kotlin for Android or Swift for iOS platform as native solutions you would get access to the full potential and capabilities of mobile devices.

Flutter makes it possible to create native mobile applications with Google's UI toolkit. Thanks to Dart technology we can create natively compiled mobile apps for Android and iOS from a single codebase, reducing the cost of app development.

Having a broad experience in a variety of mobile technologies - from native to cross-platform apps, our mobile development team will suggest the best solution for your project and create modern mobile applications.

We take care of the entire mobile development process, from consulting your app idea, through UX/UI design, to development, testing and maintenance. If you want to verify our skills and style of work you can ask for free project estimation and a two-week test period. After development phase you gain full ownership of the product.

Full stack mobile development process

Ideation - CrustLab

The cognitive process, thanks to which we verify your product idea and advise on the best solutions.

Design - CrustLab

Our designers create low fidelity mockups and after your approval - final vision of your product.

Production - CrustLab

Source code of your product is created based on previously designed mockups.

Improvements - CrustLab

Even finished product needs improvements based on user behaviour and opinions.

Mobile development case studies - read more about our mobile apps

Sportech online betting platform


Horse Racing

Next generation of multi-tenant Horse Racing betting system hosted by one of the biggest players in the betting industry.

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Iceo mobile application



Development of Android widget application which allows the user to follow the cryptocurrencies rates in realtime.

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Pretta mobile application



Readable and easy to use even for lay people iOS application designed to optimize project management processes.

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Mobile app development

Mobile app development

Mobile operating system created by Apple. It’s the second most popular mobile operating system. iPhone devices are especially popular in the US market.


The most popular mobile operating system. Commercially sponsored by Google. Widely used in wearable devices (Wear OS) and TV (Android TV).


Minimum Viable Product is a beforehand version of the application, which has only substance looks, necessary to run the app and get to know the opinions and needs of users, and minimize the final cost of project.


Progressive Web App is a mobile version of regular website that looks and works like mobile app. Users choose platform to use it. By using PWA approach you can have website as performant, fast and user-friendly as native mobile application with relatively small costs.

Hybrid applications
Hybrid applications

A hybrid solution that combines the features of web and native applications. Thanks to that approach your app will support multiple platforms. This type of application base on single code regardless of operating system, which makes it easier and faster to develop.

Native applications
Native applications

Native apps are designed for one, particular operating system. Focusing on only one platform allows more accurate optimization, maximization of performance and meticulous design of the user interface of the app.

Cooperation model

You choose the cooperation model yourself

Dedicated team - CrustLab

We can provide you with a dedicated team

Extension of your IT

Extension of your internal IT department

Custom mobile app development
Custom mobile app development

Everything you can expect from a custom mobile app can be created from scratch with our custom mobile development service. Tell us about your needs and the difficulties you face. We will advise you on the best mobile development solutions and implement them to your custom mobile app. We have created custom mobile products for fintech and betting industries using latest trends in iOS and Android apps development. If you are looking for a company that create a high performance app which work in real-time fill in the contact form and let’s talk.

Mobile development for business
Mobile development for business

We are experienced and familiar with work on mobile development solutions for enterprise business that could improve the overall efficiency, bring down costs, and boost business growth. We are at your disposal regardless of whether you need a dedicated solution created from scratch or you want to improve the performance of your current digital products - fill in the contact form and let’s talk.

How much mobile development cost?
How much mobile development cost?

Are you wondering how much your mobile development will cost? Fill in the contact form and receive a free estimate. We value each project individually and the valuation process itself is easy and transparent: - first, we discover your needs and requirements - then we convert the list of requirements into user stories - after that, we estimate time required to finish stories - based on time and required resources we are ready to send you our offer

Technologies we use in mobile development

Mobile development technology Swift

Multi-paradigm compiled programming language developed by Apple.

Mobile development technology Kotlin

A great choice for building Android apps.

Mobile development technology Flutter

Cross-platform solution for building Android/iOS applications.

Adam Gontarz - CEO of CrustLab

Hi, I'm Adam - CEO of CrustLab

I would love to share my experience and talk about challenges you are facing! Feel free to reach out to me to discuss your ideas and needs for any project.

Why do you need to additional value as a mobile development service provider?

Mobile development partner

Our company has three founders and one of them is always involved in your project,

because every mobile application is just as important to us.

We are flexible when it comes to team composition or cooperation model -

first of all we can help you to develop mobile app requirements and specification, you can have a dedicated mobile development team or app development team with product owner. We can also support your internal IT team - whatever you need to build and maintain your mobile application.

+10 projects implemented in the betting industry -

focus on horseracing, sports betting, online casinos and retail. We’ve created software for self service terminals, web and mobile apps. We have a lot of experience in this area but the scope of our portfolio is wider - we love working on the: e-commerce, trading platforms, investment software, medtech (healthcare), blockchain or custom CRM/CMS.

We will serve your project comprehensively -

starting from strategic and product workshops, through design, frontend and backend development to maintenance or even marketing activities.

What additional values do you gain through having CrustLab as a mobile development partner?

Free project estimate and deep understanding of your needs before the mobile app project starts -

this is your first saving you get thanks to cooperation with CrustLab.

Transparency and ease of communication

(100% office-based team) - when we work on your mobile application you have access to Issue Tracking Tool - JIRA, project documentation on Confluence, Slack channel dedicated to your project (but all binding provisions we determine by email). You can also contact directly with every member of the team, not only the Project Manager.

Proactive approach and project workshops -

we are not waiting for a ready-made action plan, we are here to help you in creation of product strategy and making the key decisions.

Excellent technical skills and work done on time -

are something that our clients always emphasize in the testimonials.


sensitive information and shared data regarding the project or your company are secure and protected by the law.

We follow the main principles of Agile and Lean Management -

we strive to ensure that the methodology of work allows us to achieve satisfying results.

Mobile development partner 2

Trusted by leading brands

Sportech logo
Quotiation symbol
CrustLab consistently adds value to our organization in many ways. We've received very positive feedback on the system CrustLab has delivered. Our customers regard it as an excellent product. Our experience working with them has far exceeded those of other vendors.
Scott Watterson

Director of Digital Development

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Start working on your mobile development right away!

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CrustLab Sp. z o.o.

ul. Nadwiślańska 1/10 30-527 Kraków, Poland

[email protected]

+48 795-856-491

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VAT-UE: PL6793159393

NIP: 6793159393

REGON: 368770514

KRS: 0000703502

Copyright © 2018-2020 CrustLab Sp. z o.o. All rights reserved.

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