Step 01
Discovery & Workshops
We learn about your business needs, analyze the market, and define the project scope. Together, we develop a product vision.
Mobile Apps
Mobile Apps iOS & Android
Modern native and cross-platform applications
We design and implement mobile applications that increase sales, loyalty, and user convenience. From workshops and UX to implementation and development.
120+
Completed projects
50+
Apps in stores
30
Team members
A mobile product, not a rushed APK
Capabilities serious brands expect
Expo and React Native are our default for products that must feel native, work offline, use device hardware, and ship without drama - the same bar as large-scale rollouts.
One codebase, two stores
React Native and Expo: faster iteration than maintaining two native codebases, with native modules when the product truly needs them.
Push and in-app inbox
Segmentation, deep links, and transactional flows - from reminders to operations messaging, without burning user trust.
Offline-first sync
Queued actions in the field, retries, and conflict handling - so weak signal does not block revenue.
Hardware and permissions
Camera, scanning, Bluetooth, NFC, location, and sensors - when the product is more than flat screens.
Store releases & OTA
App Store and Google Play publishing plus JavaScript updates without a full store review cycle - shorter path from fix to user.
Cooperation process
How does our cooperation look like?
A transparent process that leads from idea to finished product
Step 02
Design & Prototyping
We design UX/UI, create prototypes, and test solutions with users. We ensure a consistent design system.
Step 03
Development
We build the app using React Native (Expo) or native technologies. We care about performance, security, and code quality.
Step 04
Testing & Optimization
We conduct functional, performance, and security tests. We optimize the app for different devices.
Step 05
Deployment & Publication
We help with the publication process in App Store and Google Play. We provide support during launch and the first weeks.
Step 06
Support & Development
We monitor app performance, collect feedback, and develop the product. We provide continuous technical support.
Key benefits
Why choose us?
Business outcomes first—technology is the means, not the end in itself.
User experience
We design intuitive, fast, and aesthetic interfaces.
Performance
We optimize app performance on different devices.
Security
We care about stability, compliance, and data protection.
Business alignment
Features tailored to the real needs of your customers.
Technologies
What technologies do we use?
Modern tools and proven solutions for the best results
React Native
Frontend
Expo
Framework
TypeScript
Language
Metro
Bundler
Next.js
Frontend
NestJS
Backend
DigitalOcean
Cloud
Case studies
See our implementations
Projects that show our approach and experience
Client testimonials
What our clients say?
Case study
Results speak
for themselves.
100 000+
4,9
App StoreApp downloads · 4.9 rating on App Store
SFD app nominated for Mobile Trends Awards 2025 (Commerce). Read more.See the live app
“We talked to many vendors, but after the conversation with Mikołaj from GMI, I felt completely understood and saw my ideas visualized very quickly. That really captivated me, I felt it simply had to succeed. We have a 4.9 rating on the App Store, which I am very proud of. We continue to work with GMI: we have many ideas for further app development.”
Mateusz Pazdan
CEO, SFD S.A.
More partner voices
The same way of working — deliveries for clients across industries.
Below: condensed references from recent years.
Sławomir Rdest
Board Advisor, EMKA S.A. / COO, EMKA Australia at EMKA S.A.
“As long-term clients of GMI Software, we have had the pleasure of working with them for several years. GMI Software stood out during the tender process with their refreshing, positive approach and the professionalism of their CEO and team. The first project was delivered flawlessly, establishing the foundation for a partnership that continues to this day. The GMI Software team members are not only experts in their field but also wonderful people to work with. For any organization seeking a partnership with a reliable and qualified software development company, GMI Software is a fantastic choice.”
5000+
Downloads in 1 month
14
Sprint weeks
Service scope
What does the service include?
Below is an example scope of work that we adjust to the stage and goals of the project.
Product workshops and needs analysis
UX/UI for iOS and Android
Integrations with external systems
Deployment and publication in stores
Monitoring and development after launch
Analytics and conversion optimization
Ready to start?
Schedule a free consultation and learn how we can help with your project. After our DDT process (Discovery, Design & Technology), we offer a price guarantee and a fixed-price agreement.
Preliminary estimate in 48h
Fixed price after DDT — price guarantee
No commitment
We can sign NDA
Contact
Let's talk
about the project.
Have an app idea or need technological support? Write to us — we'll prepare a preliminary analysis and estimate within 48h. Projects that go through our DDT process (Discovery, Design & Technology) come with a price guarantee and a fixed-price agreement — a key differentiator for us.
gmi.software Sp. z o.o.ul. Jana Heweliusza 11 / 819
80-890 Gdansk, Poland
80-890 Gdansk, Poland
NIP: 5252816287KRS: 0000830003
Free consultation
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Mobile apps in cities
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