Our mobile app development firm delivers Native iOS (Swift/SwiftUI), Native Android (Kotlin/Jetpack Compose), React Native and Flutter cross-platform stacks. Apple Developer + Google Play Console account setup, OTP SimplePay/Barion/Stripe HU/K&H payments, Apple Pay, Google Pay, OTP MobilePay, Firebase Analytics + push, biometric login, dark mode standard. NAV Online Invoice, EESZT, eMAG seller, GDPR/NAIH compliant. Fixed price in HUF, 12-month warranty, source code yours. Office: Budapest V and VI districts.
Technologies & platforms we work with
What we build
From Apple Developer + Google Play Console registration to App Store publishing, push notifications to in-app payment — everything in the package.
iPhone + iPad support, iOS 15+. Modern UI with SwiftUI, reactive flow with Combine. 100% aligned with Apple App Store guidelines — first-submit approval guaranteed. Apple Developer Hungary entity.
Android 8+ support, Material You 3.0 theme, 40% faster development with Jetpack Compose. Google Play Console, in-app billing in HUF, FCM push integrated.
One codebase, two platforms — 50% cost savings. React Native (Expo + bare workflow) or Flutter Material/Cupertino. Native modules via bridge integration.
NestJS / Node.js REST or GraphQL API. PostgreSQL + Redis. Hungarian GDPR-compliant hosting (T-Systems / EzIT), or AWS Frankfurt / Hetzner. Firebase Realtime DB + Functions option. WebSocket for real-time.
Clickable prototype in Figma, Apple Human Interface + Material Design compliant. Dark mode, dynamic type, accessibility (VoiceOver/TalkBack) standard. Animations via Lottie + Rive. Hungarian UX copywriting included.
Apple Developer account ($99/yr), Google Play Console ($25 one-time), Hungarian IBAN for App Store payouts. App icon, screenshots, ASO description in Hungarian, GDPR/NAIH privacy policy, in-app review prompt — all included. Free fixes if rejected.
Real mobile apps
All live on App Store + Google Play. References shared during discovery call.
B2C merchant — web + iOS + Android off one backend. OTP SimplePay + Apple Pay + Google Pay + Barion. eMAG Marketplace seller interface on mobile, real-time stock sync.
12-branch restaurant chain in Budapest district VII. Guest scans QR for iOS/Android app — orders from table. Wolt + Foodora orders auto-sync to kitchen tablet.
6-branch dental network. Patients book appointments, view panoramic X-rays, EESZT integration, e-Prescription PDF download. iOS + Android.
Urban courier firm. Courier Android app receives daily route (Google Maps Directions API), capture photo, customer signature. Offline mode. FoxPost parcel locker integration.
Regional rail operator. Passengers buy tickets in-app, OTP SimplePay + Barion, offline QR validation, push notifications on delays. iOS + Android.
B2B wholesaler — 180 resellers. Reseller views catalogue on mobile, adds to cart, places order → auto-feeds into BRG / Kulcs-Soft / MS Dynamics 365 → invoice + dispatch triggered. NAV Online Invoice real-time issuance.
How we work
Fixed price in HUF, fixed timeline. Apple approval (1-3 days) + Google Play (hours) included. Free fixes if rejected.
We discuss your business (60-90 min, Budapest V/VI district office or online). Target users, main 3 screens, native vs cross-platform, integrations (payment, maps, push, biometric) clarified. Fixed-price (Ft + 27% VAT), module-by-module quote within 3 business days.
Clickable prototype in Figma. Apple Human Interface + Material Design 3.0 compliant. Dark mode, dynamic type, accessibility. We walk through screens, you approve. Animations via Lottie/Rive. Hungarian-language UX copy.
Two teams in parallel if native (Swift + Kotlin). One codebase if cross-platform (React Native / Flutter). Cursor + AI tooling delivers 40% faster code. Weekly TestFlight + Firebase App Distribution builds — try on your phone.
NestJS backend, PostgreSQL DB, T-Systems / EzIT / Hetzner deploy. Payment (OTP SimplePay/Barion/Stripe HU SDK), push (OneSignal/Firebase), analytics (Firebase/Mixpanel), crash (Sentry). NAV Online Invoice integration if needed. UAT testing together.
Apple Developer account ($99/yr) and Google Play Console ($25 one-time) opened in your name. Hungarian IBAN for App Store payouts. App icon, screenshots, ASO description in Hungarian, GDPR/NAIH privacy policy. iOS approval 1-3 days, Android 2-8 hours.
12 months of free bug-fix warranty. iOS/Android SDK upgrades (iOS 18, Android 15) included. 24/7 crash monitoring. New features in monthly sprints. Maintenance optional (Ft 30,000/hour ad-hoc or monthly plans from Ft 230,000/mo).
Local marketplaces, carriers, payment methods and compliance frameworks — from a single panel
A şarap/gurme yiyecek ihracatçısı in Budapest
"eMAG + Amazon DE entegrasyonuyla 7 ayda 42K€ AB cirosu"
Custom quote
No off-the-shelf pricing. We listen, clarify screens, deliver a fixed-price (HUF Ft + 27% VAT, EUR reference at MNB rate) + fixed-timeline quote within 3 business days. The call is free, no obligation, NDA signed.
Whatever the scope, the following ship as standard — no extra cost.
Bring these — we deliver an accurate quote in 60 minutes.
Native (Swift + Kotlin): Best performance + access to Apple/Google new features (Live Activity, App Clips, Material You). Recommended for: gaming, AR, video editing, projects with 1M+ users. Cross-platform (React Native / Flutter): 50% cheaper + one codebase + 2x faster development. Recommended for: MVP, e-commerce (eMAG seller, B2B), content apps. We recommend based on your scenario; if you don't need it, we won't say "go native".
OTP SimplePay (the dominant Hungarian payment gateway) is standard. Plus: Barion (native Apple Pay + Google Pay), Stripe HU (international cards, SCA compliant), K&H mobile, Borgun, OTP MobilePay (peer-to-peer + B2C), PayPal. Apple Pay and Google Pay always in HUF. NAV Online Invoice real-time issuance on every transaction (mandatory since 2024).
Google Play: 2-8 hours after submit (usually live same day). Apple App Store: 1-3 business days after submit (Apple App Review). Account setup included: Apple Developer Program ($99/yr) and Google Play Console ($25 one-time). Account in your name, Hungarian IBAN for App Store payouts, 100% ownership yours. Free fixes if rejected.
For every in-app payment, NAV Online Invoice real-time integration (mandatory since 2024). EKAER notifications for physical shipping. GDPR/NAIH compliant: Hungarian hosting (T-Systems / EzIT / Rackforest) option, cookie consent, App Tracking Transparency (iOS 14.5+), data processing notice in Hungarian, Cybersecurity Act incident handling. VAT 27% (highest in EU) auto-calculation.
No issue. 23 of our last 24 apps were approved on first submit. We know Apple 4.0 (Design), 5.1 (Privacy), 2.5 (Performance) guidelines by heart. If rejected: based on error type, free fix (if code bug) or change-order quote (if content policy). Guaranteed.
Code is 100% yours. GitHub repository transferred for free. You can continue with any other Hungarian mobile app developer or hire an in-house developer. App Store + Google Play accounts also in your name with Hungarian IBAN for payouts — 100% ownership. Vendor lock-in is not our model.
Yes, eMAG Marketplace API integration (the largest HU + CEE marketplace) is our specialty. Seller dashboard on mobile: push order alerts, stock updates via barcode scanning, AWB printing via GLS/FoxPost integration, NAV Online Invoice auto-issuance, MNB EUR/HUF conversion. Vatera, Alza.hu, Árukereső, Extreme Digital, Pepita integrations also supported.
Monthly plans: Ft 230,000/mo (8 hrs) — minor fixes, app store updates; Ft 520,000/mo (20 hrs) — feature expansion + 24/7 monitoring; Ft 1,500,000/mo (60 hrs) — dedicated developer. Ad-hoc hourly: Ft 30,000/hr. VAT 27% extra. SLA: 99.9% uptime, critical bug within 4 hours, normal bug within 48 hours.
Smartphone penetration in Hungary is 85%+. Without a Magyar-language App Store HU and Google Play HU listing, organic discovery is weak. On top of that, Hungarian buyers trust SimplePay and Barion brand-recognition for mobile payments.
The Hungarian App Store storefront prices in HUF, not USD. ASO requires Magyar keywords ("szállítás", "rendelés", "élelmiszer"). On Google Play HU, the standard is a Hungarian Listing plus five localised screenshots.
Apple's App Tracking Transparency and Android's Data Safety prompts must carry Hungarian justification copy. NAIH treats IDFA, IDFV and precise location as data requiring explicit opt-in.
Hungarian characters (ő, ű, é, á, í, ó, ú, ö, ü) are well supported across mobile fonts; verify custom logo faces. Date format is 2026.05.22. (ISO-like with trailing dot), 24-hour clock, comma decimal separator.
Firebase Cloud Messaging with Magyar copy; OneSignal's Hungarian PoP for latency; Universal Links and App Links configured against the .hu domain via an AASA file.
A Hungarian client mirrored its eMAG catalogue into a React Native app with push-driven flash deals — average order value rose 18%, while pushing external traffic into eMAG. Every invoice transmitted to NAV Online Számla in real time.