Store-ready from day one
Every release is checked against the latest Apple and Google guidelines, including DSA, EU DMA and tracking transparency, so first-submission rejections are rare.
Services
Mobile App Development Services for iOS, Android and Cross-Platform
YuSMP Group builds production-grade mobile apps for US and EU companies — native iOS in Swift, native Android in Kotlin, and cross-platform products in Flutter and React Native. Senior engineers handle architecture, App Store and Play Store submission, biometrics, offline-first sync and post-launch support. GDPR-aligned delivery; SOC 2 Type II in progress. MVPs from 60k EUR, full platforms from 250k EUR.
We deliver the full mobile lifecycle: discovery, UX, native iOS (Swift, SwiftUI) and native Android (Kotlin, Jetpack Compose), and cross-platform builds in Flutter and React Native when a shared codebase serves the roadmap better. Our teams ship App Store and Google Play submission packages — code signing, TestFlight, internal testing tracks, store metadata and review handling — then stay on for post-launch support: crash triage, store-release cadence, performance work and feature growth. Engagements are anchored from Yerevan with daily 9 AM–1 PM ET overlap.
What our mobile app development services include
60 fps where it matters
We profile, not guess. Animations, lists and camera flows hit 60 fps on mid-range devices, not just on the latest flagships in the office.
Privacy-first by design
Minimal SDKs, consent-gated tracking, certificate pinning and at-rest encryption. Privacy nutrition labels and Data Safety forms maintained alongside code.
Backend included
Mobile-first APIs, push, deep links and offline sync are designed and built by the same team, so your app is never blocked on a separate backend group.
On-device AI
CoreML and on-device LLMs for vision, voice and personalization, with sensible cloud fallbacks. Latency stays low, data stays on the phone where possible.
Crash-free SLO
99.5 percent crash-free user sessions as a hard SLO. Sentry, Crashlytics and structured logs are wired in before the first internal beta.
Our iOS, Android and cross-platform technology stack
Swift
SwiftUI
Kotlin
Jetpack Compose
React Native
Flutter
Expo
Node.js
.NET 8
Firebase
Supabase
GraphQL
CoreML
TensorFlow Lite
Fastlane
Sentry
How we deliver mobile apps end to end
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01
Discovery
We audit user flows, device matrix, store policies and analytics goals, then agree on success metrics and a release plan for both stores.
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02
Design
Native or cross-platform, UI patterns per OS, accessibility and offline behavior are decided up front and documented before the first commit.
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03
Build
Two-week sprints with TestFlight and Play internal builds at every demo. Fastlane CI, signed artifacts and store metadata version-controlled.
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04
Run
Phased rollouts, crash and ANR tracking, store review monitoring and a backlog dedicated to platform changes from Apple and Google.
Engagement models
Fixed Price
For MVP launches with crisp scope, defined design and a single store as primary target. Discovery comes first, then a fixed plan.
Time & Materials
For evolving consumer apps where weekly experiments are the norm. Senior squad, weekly demos, capacity reviewed monthly.
Dedicated Team
A long-term iOS, Android and backend squad embedded in your product organization, owning store releases end to end.
Selected mobile work
Real US & EU-aligned mobile products we have shipped end-to-end — iOS, Android and cross-platform.
Social Media · Consumer Tech
JoyJet
Production social platform — App Store + Google Play, live across the US and EU — with geo Radar, encrypted messaging and a virtual economy.
Mobility · Ridesharing
Convenient Taxi Aggregator
Three-app ride-hailing platform — driver, passenger, dispatcher — with real-time GPS, document verification, dual cash/card payments.
Mobility · Micromobility
Scooter Sharing
E-scooter sharing app with live map, QR unlock, and ride wallet for iOS and Android — 5,000+ riders, built for US & EU rollouts.
Industries we build mobile for
Mobile is the entry point for most consumer and B2B products across US & EU markets. We pair industry-specific compliance with App Store-grade quality.
FinTech
PCI DSS, PSD2 SCA, MiCA-aware wallets, US money-transmitter-friendly KYC flows for US & EU retail and pro users.
Mobile fintech →HealthTech
GDPR + HIPAA + MDR-aware patient apps, telemedicine, FHIR-aligned records and consent management.
Mobile healthtech →E-commerce & Retail
Native shopping apps with on-device search, push commerce and US & EU consumer-law-aligned checkout.
Mobile commerce →Logistics & Mobility
Driver and dispatcher apps with offline-first, GPS-grade navigation and ELD/eFTI integrations.
Mobile logistics →US & EU mobile compliance, by default
Mobile apps live under stricter rules in the EU and a fragmented patchwork in the US. We bake the relevant frameworks into delivery, not into a final-week checklist.
GDPR + CCPA & consent
Region-locked analytics by default (EU-only for EU traffic, US-region for US traffic). Native consent dialogs, IDFA and AAID gated until granted, signed DPAs for every third-party SDK in the bundle. CCPA / CPRA opt-out flows for US users.
App Store, Play Store & DMA
App Tracking Transparency, Privacy Nutrition Labels and Data Safety forms maintained alongside code. EU Digital Markets Act sideloading and alternative billing handled where applicable.
AI Act (EU) + NIST AI RMF (US) — on-device ML risk classification
On-device CoreML and TensorFlow Lite where data sensitivity demands it. Risk classification, transparency notices and provider duties tracked under both the EU AI Act and the NIST AI Risk Management Framework, with awareness of US state laws (Colorado AI Act 2026, NYC AEDT).
Payments & PCI DSS
Apple Pay, Google Pay and card-on-file flows scoped under PCI DSS with tokenization, attestation and runtime app self-protection.
Accessibility (EAA + ADA)
WCAG 2.2 AA on mobile, VoiceOver and TalkBack tested as part of the release checklist. EU Accessibility Act 2025 and US ADA / Section 508 are part of every consumer-facing build.
Children & sensitive data
Age-gating, parental consent flows and stricter retention for under-16 audiences. Aligned with both Apple and Google kids-category guidelines, plus COPPA (US) and GDPR-K (EU).
Why US & EU teams pick YuSMP
GDPR-aligned · ISO 27001 ready · SOC 2 Type II in progress · HIPAA-capable · CCPA-acknowledged
Aligned across CET & ET time zones
Daily standups, same-day reviews, joint store release calls. CET workday with East-Coast US overlap (9 AM–1 PM ET). Your release manager and our team share one calendar.
Senior-only engineering
Engineers with multiple shipped apps under their belt. We do not learn iOS or Android on your dime.
GDPR + CCPA & ISO 27001 ready
Region-locked data flows (EU data residency · US options on request), signed DPAs for every SDK, and ISO 27001 controls on the backend with SOC 2 Type II in progress. PCI DSS available for in-app payments; HIPAA-capable for health.
For wallet, BNPL and card-on-file flows we operate inside PCI DSS scope and align with your acquirer on tokenization, attestation and runtime protection.
Frequently asked questions
Native iOS and Android, or React Native and Flutter?
If your app needs deep platform features, sustained 60 fps animations or hardware integrations, we go native with Swift and Kotlin. For content-heavy apps with shared business logic, React Native or Flutter halve the cost without hurting UX.
How long does App Store and Google Play review usually take?
Plan for 24 to 72 hours per submission. We pre-flight every release against current store guidelines, including DSA, EU Digital Markets Act and tracking transparency rules, so first-time rejections are rare.
Can you maintain an existing app while we plan a rewrite?
Yes. We routinely take over legacy iOS or Android apps, stabilize them, and run a parallel rewrite. Users keep getting fixes while the new build matures behind a feature flag and a phased rollout.
How do you handle GDPR consent on mobile?
We use native consent dialogs, IDFA and AAID handling per platform rules, region-locked analytics (EU-only for EU traffic, US-region for US traffic), and no SDKs that phone home before consent. DPAs are signed for every third-party SDK in the bundle. CCPA / CPRA opt-out flows for US users.
What does end-to-end mobile pricing look like?
A cross-platform MVP for iOS and Android starts around 90,000 EUR. A polished consumer app with backend, payments and analytics typically lands between 180,000 and 350,000 EUR depending on scope and store readiness.