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📱 12-Year Experienced Mobile App Developer in France — iOS, Android, React Native

France's Mobile App Developer — iOS, Android & React Native Live in 6-12 Weeks

Our mobile app development company in France covers the full stack — Native iOS (Swift/SwiftUI), Native Android (Kotlin/Jetpack Compose), React Native and Flutter cross-platform. Apple Developer + Google Play Console account setup, App Store + Google Play publishing, Stripe FR / Lydia / HiPay / PayPlug / Klarna / Carte Bancaire / Apple Pay / Google Pay payment integration, Firebase Analytics + push notifications, offline mode, biometric login, dark mode, GDPR/CNIL + App Tracking Transparency compliance — all standard. Fixed price, 12-month warranty, source code 100% yours. Prices in EUR ex-VAT, 20% VAT added.

Live on App Store + Play Store in 6-12 weeks Native + Cross-platform — one team 12-month warranty · source code yours
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Technologies & Platforms We Work With

Swift · SwiftUIKotlin · Jetpack ComposeReact NativeFlutterFirebaseApple Sign-InFrance ConnectStripe FR · PayPlugLydia · HiPay · CBOneSignalSentryTestFlight + Play Console

From Native iOS to Cross-Platform — Full Mobile Stack, One Team

From Apple Developer + Google Play Console account setup to App Store publishing, from push notifications to in-app payments — all in one package. OVH/Scaleway hosting in France, GDPR/CNIL compliant.

Native iOS (Swift / SwiftUI)

iPhone + iPad, iOS 15+ support. Modern UI with SwiftUI, reactive flow with Combine. 100% compliant with App Store Review Guidelines — first-submit approval guaranteed. App Tracking Transparency + privacy nutrition labels handled.

Native Android (Kotlin / Compose)

Android 8+ support, Material You 3.0 theme, 40% faster development with Jetpack Compose. Google Play Console, in-app billing, FCM push integrated. Data Safety section compliance.

Cross-Platform (React Native / Flutter)

Single codebase, two platforms — 50% cost saving. React Native (Expo + bare workflow) or Flutter Material/Cupertino. Native modules integrated via bridge when needed (Bluetooth, NFC Carte Bancaire, ARKit/ARCore).

Backend API + Cloud Infrastructure

NestJS / Node.js REST or GraphQL API. PostgreSQL + Redis. OVH (Roubaix/Strasbourg) or Scaleway (Paris) deploy — data hosted in France. Firebase Realtime DB option. Real-time via WebSocket.

UI/UX Design + Prototype

Clickable Figma prototype, Apple Human Interface + Material Design compliant. Dark mode, dynamic type, accessibility (VoiceOver/TalkBack, RGAA 4) standard. Lottie + Rive animations. FR/EN multilingual by default.

App Store + Play Store Publishing

Apple Developer (€99/year) and Google Play Console (€25 one-time) opened in your name — French RIB for payouts. App icon, screenshots, ASO description in FR/EN, GDPR/CNIL-compliant privacy policy — all included. Free revision if rejected.

Apps We've Built — 6 French Market Examples

Each live on App Store + Google Play in France. References shared at the discovery call.

Healthcare

Doctor Booking App — Doctolib-style + SESAM-Vitale

Medical practice in Paris/Lyon. Patients book appointments via app, view records, download e-prescriptions. SESAM-Vitale + Ameli integration, automatic CPAM télétransmission. iOS + Android with push reminders.

Appointment conflicts down 94% · 4.9★ App Store FR
Fintech

Mobile Wallet — Lyf Pay-style

French neo-bank. P2P payments, group pots, instant SEPA transfers, Apple Pay & Google Pay, IBAN scan. Onfido KYC, ACPR + Banque de France compliance. React Native with native security modules.

28K+ active users · 4.7★ average · ACPR licensed
E-commerce

Cdiscount Marketplace Seller App

Partner distributor on Cdiscount + Amazon FR + Fnac. App manages catalog, orders, Colissimo/Chronopost/Mondial Relay shipping. PayPlug + CB integrated. Push notifications for new orders.

4.6★ App Store · 4.5★ Play Store · 14K SKUs synced
Mobility

VTC Driver App — Uber/Bolt competitor

Paris VTC platform. Android driver app (ride, Mapbox navigation, Stripe FR payments), iOS/Android passenger app. Carte Bancaire + Apple Pay + Google Pay. LOTI + VTC card compliance.

850 active drivers in Île-de-France · driver income +32%
Retail

Click-and-Collect — Carrefour/Monoprix-style

Retail brand with 24 stores. Customer app scans in-store barcodes, adds to cart, pays via CB/Apple Pay/PayPlug, picks up in 2h. Digital loyalty program.

Average basket +24% · 38K downloads in 6 months
B2B

Distributor App + Sage X3 Integration

B2B wholesaler — 180 resellers. Reseller browses catalog, adds to cart, places order → Sage X3 → Factur-X invoice issued → Chronopost shipping triggered. Biometric login + 30-day payment.

Order intake 14 min → 90 sec · 3 staff redeployed

From Discovery to App Store — Transparent, Week-by-Week Process

Fixed price, fixed schedule. Apple approval (1-3 days) and Google Play (hours) included. Free revision if rejected. Loi Sapin 2 compliant.

  1. 1
    Week 0

    Free Discovery + Quote

    We discuss your project (60-90 min) via video or at our Le Marais / Station F office. Target users, 3 main screens, native vs cross-platform, integrations (CB/Apple Pay/Lydia, maps, push, biometrics) clarified. Within 3 business days, fixed-price quote module by module.

  2. 2
    Week 1

    UI/UX Design + Prototype

    Clickable Figma prototype. Apple Human Interface + Material Design 3.0 compliant. Dark mode, dynamic type, RGAA 4 accessibility. You approve screen by screen. Lottie/Rive animations.

  3. 3
    Weeks 2-5

    iOS + Android Parallel Development

    If native: two teams in parallel (Swift + Kotlin). If cross-platform: React Native / Flutter on a single codebase. 40% faster code with Cursor + Claude/GPT-4. Every week a build hits TestFlight + Firebase App Distribution — you test on your phone.

  4. 4
    Weeks 5-6

    Backend + Integrations + QA

    NestJS backend, PostgreSQL, OVH/Scaleway deploy in France. Payments (Stripe FR/PayPlug/Lydia/HiPay/CB), push (OneSignal/FCM), analytics (Firebase/Mixpanel), crash (Sentry). UAT with your team.

  5. 5
    Weeks 6-8

    App Store + Google Play Publishing

    Apple Developer (€99/year) and Google Play Console (€25 one-time) opened in your name — French RIB for payouts. App icon, screenshots, ASO description in FR, GDPR/CNIL privacy policy — all prepared. iOS approval 1-3 days, Android 2-8 hours.

  6. 6
    Ongoing

    12-Month Warranty + Maintenance

    12 months of free bug-fix warranty. iOS/Android SDK updates (iOS 18, Android 15) included. 24/7 crash monitoring. New features in monthly sprints. Optional maintenance (€135/h ex-VAT or monthly pack €750-5,000).

COUNTRY-SPECIFIC

Built for the France Market

Local marketplaces, carriers, payment methods and compliance frameworks — from a single panel

Local Marketplaces

  • Amazon.fr
  • Cdiscount
  • Fnac/Darty
  • La Redoute
  • ManoMano
  • Rakuten France

Carrier Integrations

  • Colissimo
  • Chronopost
  • Mondial Relay
  • DPD France
  • Colis Privé
  • GLS France

Payment Methods

  • Stripe
  • Lyra (PayZen)
  • Carte Bancaire
  • PayPal
  • KlarnaBNPL
  • AlmaBNPL

Compliance & Legal

  • RGPD
  • CNIL
  • INSEE/SIREN
  • Factur-X
  • TVA %20
  • Factur-X / Chorus Pro
SUCCESS STORY

A kozmetik markası in Paris

"Cdiscount + Amazon.fr ile DACH+FR pazarında 5 ayda 120K€ ciro"

Every App is Different — Tailored Quote

No catalogue pricing. We listen to your needs, scope the screens, and within 3 business days deliver a fixed-price + fixed-schedule quote. Call is free, no commitment, we don't steal your idea (NDA signed). Prices in EUR ex-VAT, 20% VAT added.

Included in Every Mobile Project

Whatever the scope, the following is standard — no extra cost.

  • Native iOS (Swift) + Native Android (Kotlin) — or React Native cross-platform
  • UI/UX Figma design + clickable prototype
  • Backend API (NestJS + PostgreSQL) + OVH/Scaleway hosting in France
  • App Store + Google Play account setup (Apple €99/year + Google €25 included)
  • App Store + Google Play publishing (icon, screenshots, ASO FR, GDPR privacy)
  • Push notifications (OneSignal / Firebase Cloud Messaging)
  • Payments (Stripe FR / PayPlug / Lydia / HiPay / Klarna / CB / Apple Pay / Google Pay)
  • Analytics (Firebase / Mixpanel) + Crash reporting (Sentry)
  • Dark mode, dynamic type, biometric login (Face ID / Touch ID / Fingerprint)
  • GDPR/CNIL + App Tracking Transparency + Data Safety compliance
  • 12-month free bug-fix warranty + iOS/Android SDK updates
  • 2-3 live training sessions in French/English (recorded)
  • Source code 100% yours — GitHub repo handed over
Süre6-12 weeks · depending on scope
Garanti12-month free warranty + optional maintenance contract
Request Free Quote

What to Prepare for the Discovery Call

Bring these — precise quote in 60 minutes.

  • Main 3-5 screens / core flow of the app (a brief note is enough — wireframes not required)
  • Target user profile (B2C / B2B / internal team) and estimated user count
  • Do you prefer native (iOS + Android separately) or cross-platform?
  • Integration needs (payment CB/Apple Pay/Lydia, maps, push, biometrics, video, AR, etc.)
  • Do you have an existing backend / API? Or do we build from scratch?
  • Target App Store launch date + estimated budget range

Free Mobile App Discovery Call

Fill in the form, we'll get back to you within 24 hours. Free 60-minute call — no commitment, NDA signed. Paris office (Le Marais / Station F).

Frequently Asked Questions

Should I choose native or React Native / Flutter?

Native (Swift + Kotlin): highest performance + access to Apple/Google's newest features (Live Activity, App Clips, Material You). Recommended for: games, AR, video editors, 1M+ user projects. Cross-platform (React Native / Flutter): 50% cheaper + single codebase + 2x faster development. Recommended for: MVPs, e-commerce, B2B, content apps. We recommend based on your scenario in the discovery call; we won't push native if unnecessary.

How long does App Store + Google Play publishing take?

Google Play: 2-8 hours after submission (often live the same day). Apple App Store: 1-3 business days after submission (Apple App Review). Account setup included: Apple Developer Program (€99/year) and Google Play Console (€25 one-time). Accounts in your name, 100% ownership, French RIB for payouts. Free revision if rejected.

Apple review is strict — what's the rejection risk?

Low. 23 of our last 24 apps were approved on first submit. We know Apple guidelines 4.0 (Design), 5.1 (Privacy/GDPR), 2.5 (Performance) by heart. If rejected: free revision (if our code issue) or add-on module quote (if content policy violation). Guaranteed.

Do you hand over the code, or do we stay dependent?

The code is 100% yours. GitHub repo transferred for free. You can give it to any other French agency or hire an in-house developer. App Store and Google Play accounts also in your name — 100% ownership. Vendor lock-in is not our model.

Who builds the app — junior or senior?

A senior mobile developer (min. 5 years iOS/Android experience) is assigned to every project. Our 12-year team includes developers who have worked at BlaBlaCar, Doctolib, Veepee and other French scale-ups. Juniors work under code review — the senior is accountable for output. We introduce the developer assigned to your project at the discovery call.

If we build iOS + Android separately, will they look the same?

Not ideal. Apple Human Interface Guidelines and Material Design are different design languages — Apple users expect SF Pro + navigation transitions, Android users expect Roboto + bottom sheet + ripple effects. Going native lets each platform match its own standard (user satisfaction 30%+ higher). Cross-platform (React Native/Flutter) means one design on both — pragmatic choice.

Are push notifications, payments, analytics included?

Part of the standard pack: OneSignal/Firebase push, Stripe FR/PayPlug/Lydia/HiPay/Klarna/CB payments + Apple Pay + Google Pay, Firebase Analytics + Mixpanel, Sentry crash, biometric login (Face ID/Touch ID/Android Biometric). Additional integrations (Zendesk, Intercom, Branch.io deep linking, Mappy/Google Maps, ARKit/ARCore, France Connect, SESAM-Vitale) included in scope — no extra fee.

I have a website — how does the mobile app integrate?

Three options: (1) Shared backend — web + mobile fed from a single API, the cart added on web shows on mobile. Most common. (2) Web view hybrid — if budget is tight, parts of mobile render a web page (Apple dislikes this, must be done carefully). (3) Brand-new mobile — mobile-specific UX, synced with web via API. We recommend based on your scenario in the call.

GDPR/CNIL, App Tracking Transparency, Factur-X — are you compliant?

Yes, fully. GDPR/CNIL: privacy policy, processing register, right to erasure, data export, signed DPA. OVH/Scaleway hosting in France. App Tracking Transparency: IDFA prompt correctly implemented, fallback Firebase Analytics IP-anonymised. Google Data Safety: exhaustive declaration. Factur-X: if the app handles B2B invoicing, Factur-X (PDF/A-3 + CII XML) issuance via Chorus Pro or DGFiP-approved PDP — mandatory 2026.

Mobile Apps for France: Apple Pay, Carte Bancaire and the CNIL SDK

France's mobile economy crossed €50B in 2025 — Médiamétrie estimates 78% of French shoppers buy on smartphone. But App Store FR storefront positioning and Carte Bancaire integration must be right or conversion erodes even with downloads. This article covers the marketplace nuances, payment rails and CNIL requirements a France-targeted app must respect.

App Store FR and Google Play FR Storefronts

App Store FR feature decisions are made weekly by an Apple Editorial team in Paris; getting onto "App of the Day" or "Apps We Love" is critical for organic installs. Apple France routinely promotes Made in France and French Tech badged products. On Google Play, "Editor's Choice France" plays the equivalent role.

  • All app metadata in French (Loi Toubon)
  • Screenshots use French consumer cues and €
  • App Store Privacy Nutrition Label mandatory
  • App Tracking Transparency (ATT) compliant

Apple Pay and Carte Bancaire Token Provisioning

Apple Pay supports every major French bank — BNP Paribas, Crédit Agricole, Société Générale, LCL, La Banque Postale, Crédit Mutuel. Critical nuance: Apple Pay tokens on French soil ride the Carte Bancaire rail. A Stripe-only Visa/Mastercard integration will silently reject a CB-only cardholder. Configure Stripe Apple Pay for France and Lyra Pay for the CB network explicitly.

Bridge Open Banking SDK for Account Linking

Fintech, B2B finance, and expense-management apps frequently link the user's bank account. Bridge by Bankin', Tink France, Powens, and Linxo are the local AISP/PISP aggregators. iOS and Android SDKs handle the PSD2 Strong Customer Authentication flow — QR or push redirects user back through their bank.

CNIL Consent Management: ATT, IDFA and Consent Mode

Under the 2022 CNIL guidelines, a mobile app cannot load advertising SDKs or identifier cookies (IDFA, GAID) without prior consent. Apple's ATT framework alone is insufficient — CNIL requires an explicit consent management platform. Didomi SDK, Axeptio Mobile SDK, and OneTrust are the dominant compliant CMPs.

FranceConnect Mobile and Yousign In-App Signing

Apps in regulated sectors — public service, insurance, real-estate leasing — typically integrate FranceConnect SSO, letting users log in with ImpotsGouv, Ameli or La Poste identities. For in-app contract signing, the Yousign Mobile SDK provides eIDAS Advanced signatures.

Performance and Mobile Network Geography

4G+ coverage in France is 99% (ARCEP). 5G is widespread in metro areas. Yet single-bar 4G in rural Burgundy, Auvergne, Brittany remains a real constraint. Apps must be offline-first, with aggressive HTTP caching (CloudFront, OVHcloud CDN) and image compression (WebP, AVIF). Apple's French CDN edges sit in Paris, Marseille and Strasbourg.

App Store Commissions and the DMA (Digital Markets Act)

Apple App Store and Google Play charge the standard 30% commission in France, with a 15% "Small Business" rate up to the first $1M revenue. The EU Digital Markets Act, in force from 2024, forced Apple to open third-party payments and alternative app stores. In France that has opened the door to in-app subscription billing through Stripe Connect, Adyen for Platforms and Paris-based Mangopay.

Mangopay is the French Tech favourite for marketplace and gig-economy apps, providing split-payment ledger services (driver, seller, platform shares auto-distributed) bundled with KYC and KYB.

Push Notifications and Loi Toubon Localisation

Push notification copy must be in French (Loi Toubon). Major providers: OneSignal, Batch (Paris), Airship, Braze. Batch is favoured in French Tech because it ships local DPAs (Data Processing Agreement) for RGPD audits. iOS opt-in in France runs around 40%, Android 62%.

For transactional messaging, Mailjet (Paris), Brevo (formerly Sendinblue, Paris) and Sarbacane are French-engineered alternatives that hold an edge over US-based SendGrid in souveraineté numérique RFPs.

Apple Wallet and PassKit: French Loyalty Cards

Distributing French loyalty cards (bakery, restaurant, brand store) through Apple Wallet runs on the PassKit SDK. PassKit Passes support geo-fenced lock-screen prompts (e.g. "Carrefour Quai d'Ivry 200m"), beacon integration (Eddystone, iBeacon) and digital stamp cards. Google Wallet provides the Android equivalent.

Our Mobile Development Package

Zunapro France mobile builds run on React Native + Expo or native iOS Swift + Android Kotlin, with Stripe + Apple Pay + CB token, Bridge Open Banking SDK, Didomi CMP, FranceConnect, Yousign Mobile, OVHcloud / Scaleway backend. Typical project runs 3-5 months at €40.000-€120.000.

A €2,500-€4,500/month growth package adds App Store Optimization, push-campaign management, in-app A/B testing (Firebase Remote Config + Optimizely), crash-rate monitoring (Sentry, Bugsnag) and monthly release cadence.

Contact Us

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