Mobile app development (iOS & Android)
no deposit
Cross-platform app ready in 6 weeks. Free clickable preview. You only pay once you are satisfied.
- iOS/Android (cross-platform or native depending on needs)
- Integrations, backend and push notifications
- No upfront payment – pay after completion
- from €890
- No deposit
- iOS and Android
- iOS
- Android
Interface illustration
Four types
Types of apps we develop
We create mobile and web applications for various purposes – from MVP prototypes to complex enterprise systems. Each type of application has specific requirements for functionality, design and technologies.
MVP / prototype
Minimum viable product version for hypothesis testing and getting first users. Fast development of basic features, iterations based on feedback. Ideal for startups and idea validation before full investment.
Enterprise apps (internal systems)
Employee applications: CRM, ERP, inventory management, timesheet, workflow automation. Integration with existing systems, data security, scalability. Admin panel for user and permission management.
Client apps (customer accounts, loyalty programs)
B2C applications for end users: customer portals, booking systems, loyalty programs, membership apps. UX optimized for conversion, notifications, gamification, social features.
PWA / web apps (when store not needed)
Progressive Web Apps – browser applications with native features: offline mode, push notifications, install to home screen. No App Store review process, instant updates, cheaper than native apps.
Stack
Technologies
- Cross-platform
- React Native / FlutteriOS and Android from one codebase. React Native for apps where we need integration with web or existing React project. Flutter for visually demanding apps with complex animations and custom UI components. Cross-platform development allows sharing a significant part of the code between iOS and Android, reducing duplicate implementation.
- Backend and API
- Node.js / REST API / GraphQLBackend in Node.js (Express/NestJS) or serverless architecture (AWS Lambda, Vercel Functions). REST API for simple CRUD operations, GraphQL for complex data structures and real-time sync. Databases: PostgreSQL for structured data, MongoDB for flexible schemas, Redis for caching. Authentication: JWT tokens, OAuth, biometric login.
- Notifications and analytics
- push notifications, GA4/EventsPush notifications via Firebase Cloud Messaging (iOS + Android). User segmentation, A/B testing of notifications, scheduled messages. Analytics: Google Analytics 4 for user behavior tracking, custom events, conversion tracking. Mixpanel or Amplitude for advanced cohort analysis and retention metrics. Crash reporting via Sentry for app stability monitoring.
Six steps
Development process
Mobile app development follows 6 steps. From discovery phase through prototype to publishing and support. Each step has clear deliverables and timeline.
Requirements and goals gathering
We define the scope, user scenarios, and priorities together.
UX flow + working prototype
User journey mapping – how user goes through app from onboarding to core action. Instead of Figma wireframes, you get a working prototype in its final design right away, one you try directly on your phone. Flow testing with 3–5 real users. Iterations based on feedback. Output: approved UX flow in a live app.
MVP development (iterations)
Sprint-based development (2-week sprints). Starting with must-have features. After each sprint: demo, testing, feedback, next tasks prioritization. Code reviews, automated tests, CI/CD pipeline. Output: working MVP ready for beta testing.
Testing (functional + performance)
QA testing: functional tests, edge cases, crash scenarios. Performance testing: loading times, memory usage, battery consumption. Beta testing with real users (TestFlight for iOS, Firebase App Distribution for Android). Bugfixing by priority. Output: stable version without critical bugs.
Publishing App Store / Google Play
Store materials preparation: icon, screenshots, app description, keywords for ASO (App Store Optimization). We prepare the materials and handle submission of the app to the App Store and Google Play, including addressing feedback during the review process. Monitoring first reviews and crash reports. Output: live app in both stores.
Support and development
Technical support is available after launch – bugfixing, OS updates compatibility, monitoring. Roadmap planning for next versions based on user feedback and analytics data. Continuous improvement based on metrics (retention, churn, engagement).
Modules
Mobile app features and modules
We deliver mobile apps as a composable system: we select modules based on goal, so the implementation is stable and scalable.
Authentication (email/SMS, OAuth)
Email/password, SMS OTP, social login (Google, Apple, Facebook). Biometric authentication (Face ID, Touch ID). Secure session management.
Push notifications and events
Real-time notifications via Firebase. Scheduled messages, triggered events. User segmentation. Deep linking to specific screen.
Payments / subscriptions (if needed)
In-app purchases (iOS), Google Play Billing. Stripe for custom payments. Subscription management, trial periods, renewal handling.
Map, geolocation, camera (app type dependent)
Google Maps / Mapbox integration. GPS tracking, geofencing. Camera for photo/video, QR scanner, document scanning with OCR.
Offline mode and sync
Local database (SQLite, Realm). App works without internet. Auto sync when connection restored. Conflict resolution.
Admin interface for content and user management
Web admin panel for app management. User management, content editor, analytics dashboard. Role-based permissions. Data export, reports.
Where we work
Mobile app development across Europe
If you are looking for mobile app development, we work with clients across Europe. Everything runs online – from discovery through design to final launch in the App Store and Google Play.
Included
What you get
The price of the app includes everything needed for the project to work. You don’t pay any extra fees for “unexpected things”. Here’s an exact list of what you get:
Cross-platform app
React Native app for iOS and Android from one codebase.
Backend & API
Node.js backend, REST/GraphQL API, database, user authentication.
Real-time
Push notifications, real-time data sync, WebSocket support.
Security
Encrypted API, secure authentication, personal data protection.
Pricing
Pricing and packages
Transparent pricing with no hidden fees. Each project is unique, so prices are indicative. After seeing your requirements in the preview, you get the exact price.
Mobile app
Price: from €890
Includes
- Core features
- iOS + Android
- Basic backend
- Admin panel
Mid-tier app
Price: from €1,390
Includes
- Advanced features
- API integrations
- Real-time sync
- Push notifications
Complex app
Price: from €2,000
Includes
- Custom development
- Scalable backend
- Team features
- Ongoing support
No deposit
Why no deposit?
Our business model is built on trust and results, not on advance payments. We don’t want your money until you see the value. It’s simple – we want you to see for yourself that it works before you pay.
Most agencies want 50% upfront. We give you a complete functional preview for free. Why? Because we believe that when you see the quality of our work, you’ll want to continue. And if not, no problem. No financial losses, no bad feelings.
This model works because we have a strong portfolio and satisfied clients who refer us to others. We don’t have to sell dreams and promises – we show results upfront.
Questions · 13
Frequently asked questions
Why is the preview free?
No catch. We don't want your money until you see the value. The preview shows you exactly what you'll get. If you like it, we continue. If not, no problem and we stay friends.
What if I don't like the preview?
We simply end it and you pay nothing. The preview is completely free, with no obligations.
How long does the whole process take from start to launch?
For mobile app 4-6 weeks. You get the preview quickly. After preview approval, we start final implementation.
What exactly is included in the price?
Everything needed: UX/UI design, development, testing, infrastructure setup, and included technical support for launch. No hidden fees. Website hosting starts from €5 per month, e-shop hosting from €10 per month.
Can I change the design or features during development?
Yes, but we recommend making all changes in the preview phase. After preview approval, minor changes are free, major scope changes may affect price and timeline.
Who owns the code and all files after completion?
You do. After invoice payment, you get full access to source code and all other materials. You can host it with us or transfer anywhere.
Do you provide maintenance and updates after launch?
After launch we fix bugs and polish small details. Website hosting starts from €5 per month, e-shop hosting from €10 per month. Larger changes are priced based on scope.
What technologies do you use?
For apps React Native (iOS+Android), Node.js backend. We always use modern, proven technologies with good documentation.
How much does a mobile app cost?
An app from €890. The price grows with the number of screens, the connections to external systems and whether it is iOS, Android or both platforms. You get the exact price after the clickable preview.
Can you build an app for Slovakia, Czech Republic, Austria, Germany, or other European markets?
Yes, we operate across Europe. We work remotely, so it doesn't matter if you're in Slovakia, Czech Republic, Austria, Germany, or anywhere else. We handle everything online — email, phone, WhatsApp or video call — and the clickable preview arrives as a link you can open whenever it suits you.
What if I need further development?
The code is entirely yours with no usage limits — you can tweak it yourself or work with any provider. We handle support on an ongoing, as-needed basis, any time, even at night. Just reach out and we'll assist with changes, bug fixes, or launching new projects.
What stages does app development have?
A free clickable preview of the screens → scope refinement and a fixed price → development and testing → publishing to the App Store and Google Play → training and handover. You pay after the handover.
How long does app development take?
A standard mobile app takes 4–6 weeks (the same figure as in the process above); you get the timeline together with the price after the preview, and it applies to the agreed scope.
Useful links
See similar projects or contact us for a quick consultation.
Let’s start your project
- IT Gale s.r.o.
- Company ID 56186339
- Plynárenská 3B, 821 09 Bratislava
- +421 220 400 922