Mobile app experts for iOS & Android

We partner with teams to accelerate delivery, rescue projects, or build end‑to‑end apps. From SwiftUI to Kotlin, we turn ideas into shipped products.

Start a project What we do

Services

App Delivery (E2E)

We design, build, and ship complete apps — roadmap, UX, development, release, and maintenance.

Product + Dev

Staff Augmentation

Plug our seniors into your team to speed up sprints, reduce bugs, and mentor engineers.

Sprint Boost

Codebase Rescue

Audits, performance fixes, architecture refactors, and App Store recovery.

Audit & Fix

Launch & CI/CD

App Store Connect, Play Console, TestFlight, fastlane, and release pipelines.

Ops

Tech we love: SwiftUI, Combine, SwiftData/CoreData, Kotlin, Jetpack Compose, Firebase.

Selected Results

Fintech onboarding

Rewrote onboarding in SwiftUI → +34% completion, −45% crashes.

iOS

Retail app replatform

Moved to Kotlin + Compose, shipped weekly with CI/CD and feature flags.

Android

Startup MVP

Delivered MVP in 6 weeks with analytics and auth.

Cross‑platform

Who we are

Jérémy Peyraud

iOS specialist

SwiftUI, SwiftData/Core Data, Architecture, Performance.

iOS

Mathieu Chartouni

iOS/Android specialist

Swift, SwiftUI, Kotlin, Jetpack Compose, Architecture, CI/CD.

iOS & Android

Why us

Senior focus

Direct access to the two founders. No hand‑offs, no junior shuffle.

Speed + quality

Small, decisive, and test‑driven. We optimize for outcomes, not hours.

Transparent pricing

Fixed‑scope for MVPs or flexible retainers for ongoing work.

Let’s build your app

Tell us about your product and timeline — we usually reply the same day.

contact@techtanconsulting.com