Native iOS & Android

Native iOS and Android apps crafted for fluid performance and user retention.

From initial concept to App Store launch. We build fast, intuitive mobile experiences using Swift, Kotlin, and React Native with offline capability, biometric security, and fluid 120Hz animations.

Frame Rate120HzButtery smooth ProMotion
Crash-Free99.9%Rigorous automated QA
Delivery14–21 DaysFirst working build in 72h
Code IP100%Full repository ownership

Sluggish hybrid apps ruin user reviews and drive high uninstalls.

Clunky hybrid web wrappers with awkward touch latency, broken back gestures, and constant crashes alienate users. In competitive app categories, a poor first impression leads to immediate uninstalls and 1-star reviews.

Traditional Agency & Off-The-Shelf Way
  • ×Clunky web-view wrappers disguised as mobile apps that feel laggy and alien.
  • ×Apps that freeze or crash completely when the user enters an elevator or tunnel.
  • ×Endless development cycles dragging on for 6 to 9 months before reaching the App Store.
  • ×Generic cross-platform styling that ignores platform design conventions.
The Cossence Studio Way
  • ✓True native Swift, Kotlin, or high-performance React Native with 120Hz ProMotion.
  • ✓Offline-first architecture with local SQLite/WatermelonDB sync when connection restores.
  • ✓Rapid 14 to 21-day production sprints with live TestFlight builds delivered weekly.
  • ✓Platform-authentic UI that respects iOS Human Interface and Android Material 3 guidelines.

Built for speed, accuracy, and effortless scale.

Every system is architected from clean fundamentals with zero unnecessary bloat and 100% intellectual property ownership.

120Hz ProMotion

120Hz Fluid Gesture Physics

Engineered for 120Hz ProMotion displays with fluid drag-to-dismiss sheets, spring animations, and native haptic feedback.

Offline-First

Offline-First Data Architecture

Users can view content, edit records, and navigate the app with zero cellular reception. Data syncs automatically when online.

Face ID Ready

Biometric Authentication

Seamless, secure login via Apple Face ID, Touch ID, and Android BiometricPrompt with keychain credential storage.

Smart Alerts

Push Notifications & Deep Linking

Configured with Apple Push Notification service (APNs) and Firebase Cloud Messaging for timely user re-engagement.

In-App Billing

In-App Purchases & Subscriptions

Integrated with RevenueCat or native StoreKit 2 for reliable subscription management, paywalls, and receipt validation.

Full IP

100% Complete Source Code

You receive full ownership of the Xcode and Android Studio projects, signing keys, and CI/CD pipelines.

From architecture lock to production in 14 days.

No multi-month delays or agency bureaucracy. You receive your first testable working build within 72 hours of kickoff.

Sprint 01Days 1–3

Architecture & Interactive TestFlight

We set up the native project, configure data models, and deploy an initial working build to your iPhone and Android phone in 72 hours.

Sprint 02Days 4–12

Feature Development & Integrations

We build core app screens, integrate background sync, authentication, camera/location features, and in-app purchasing.

Sprint 03Days 13–18

App Store Preparation & Submission

We conduct crash testing, prepare App Store metadata and screenshots, and guide your team through Apple & Google review.

Engineered for businesses where reliability matters.

Concrete commercial outcomes engineered across high-velocity industries.

SaaS Mobile Companion Apps

+65% Daily Engagement

Gives busy software subscribers quick on-the-go access to dashboard metrics, customer chats, and push notifications.

Field Service & Inspections

Zero Data Loss

Enables technicians and inspectors to capture photos, fill checklists, and collect signatures without cellular reception.

Fintech & Personal Finance

5-Star App Reviews

High-security banking and portfolio trackers featuring Face ID authentication, instant notifications, and biometric security.

On-Demand Delivery & Booking

Frictionless Checkout

Real-time GPS vehicle tracking, live order status updates, and one-tap Apple Pay / Google Pay checkout.

Everything you receive on Handover Day.

Complete ownership from day one. You receive full code repositories, cloud configurations, and documentation with zero recurring software licenses.

✓Complete source code repository with 100% intellectual property ownership
✓Native iOS project (Swift/SwiftUI) and Android project (Kotlin/Compose) or React Native
✓Complete CI/CD build pipelines (GitHub Actions, Fastlane) for automated releases
✓App Store Connect and Google Play Console submission preparation and guidance
✓Crash monitoring (Sentry or Bugsnag) and analytics integration
✓30 days of production warranty and app submission support

Frequently asked questions.

Transparent answers regarding our 14-day delivery sprints, code ownership, maintenance SLAs, and scoping.

Have a specific question?

Speak directly with the lead engineer assigned to your build.

Ask our engineers directly→
Do you build native or cross-platform (React Native)?
We build with both. For applications requiring maximum hardware performance or Apple ecosystem features, we write native Swift and Kotlin. For content-rich apps wanting shared logic across iOS and Android, we use modern React Native / Expo with native bridge modules.
Will you help us get approved on the Apple App Store and Google Play?
Yes! We handle the entire submission checklist, App Store guidelines review, privacy manifests, screenshots, and review feedback until your app is officially approved.
Can the app work when the user has no internet connection?
Yes. We design with offline-first architecture. Critical data is cached locally, allowing users to view content and perform actions offline that sync cleanly once connectivity returns.
How do in-app subscriptions and payments work?
We integrate with RevenueCat or native StoreKit 2 and Google Play Billing, providing paywalls, receipt verification, and cross-platform entitlement management.
Who owns the app signing certificates and developer accounts?
You own everything. We build the app directly linked to your Apple Developer and Google Play accounts, and transfer complete source code to your repository.

Schedule a 20-minute scoping review for Mobile App Development.

Speak directly with our senior systems engineers. We analyze your live workflows, provide mutual NDA coverage, and return a fixed-price architectural delivery plan within 24 hours.