◆ SIMNETIQ / 02 / C-01NATIVE · CROSS-PLATFORMCAPABILITY BRIEF

C-01

Mobile &Desktop

Production-grade applications for iOS, Android, macOS, Windows, and Linux. SwiftUI, Jetpack Compose, WinUI 3, .NET, and modern cross-platform runtimes — always chosen for the right reason, never for the easy one.

C-01 · Mobile & Desktop system map

Engagement

PlatformsiOS · Android · macOS · Windows · Linux
Primary stackSwift · Kotlin · C# · Tauri
Typical engagement6–16 weeks
Currently accepting

Scope

Services

From single-platform MVPs to multi-OS product suites with shared backends. We engineer for longevity: native performance, sensible architecture, and store-ready compliance from day one.

S-01

iOS / iPadOS Applications

Native SwiftUI + UIKit. HIG-compliant, RevenueCat / StoreKit integration, TestFlight delivery, App Store submission management end-to-end.

S-02

Android Applications

Jetpack Compose, Material 3, Google Play policy compliance. Coroutines, Hilt, Room, ExoPlayer — whichever primitives the product actually needs.

S-03

Desktop — macOS

Native SwiftUI or AppKit for macOS. Menu bar utilities, full document-based apps, Mac App Store or notarised DMG distribution.

S-04

Desktop — Windows

WinUI 3, WPF, and .NET 8+ for modern Windows experiences. MSIX packaging, Microsoft Store distribution, or signed standalone installers.

S-05

Desktop — Linux & Cross-Platform

Tauri, Electron, Qt, and Flutter Desktop for single-codebase delivery across macOS, Windows, and Linux when the product warrants it.

S-06

Store Submission & Release Ops

App Store, Google Play, Mac App Store, Microsoft Store. Metadata, screenshots, review responses, phased rollouts, crash triage.

Instrumentation

Technology stack

The full surface we deploy across this capability. Chosen per project — not every tool fits every brief.

T-018 items

iOS / Apple

SwiftSwiftUIUIKitCombineCore DataStoreKit 2WidgetKitXcode Cloud
T-028 items

Android / Google

KotlinJetpack ComposeMaterial 3CoroutinesHiltRoomWorkManagerPlay Billing
T-035 items

macOS

SwiftUIAppKitCombineSwift ChartsMac Catalyst
T-046 items

Windows

WinUI 3WPF.NET 8C#MSIXMAUI
T-055 items

Cross-Platform

TauriElectronFlutterQt 6React Native
T-066 items

Distribution

App Store ConnectGoogle Play ConsoleMac App StoreMicrosoft StoreFastlaneTestFlight

Engagement

Pricing

Starting ranges in GBP. Final quotes depend on scope, timeline, and support level. Every engagement is a signed SOW with fixed milestones.

TIER · 01

Mobile

FROM £1K

iOS + Android from a single engagement.

  • Native iOS (SwiftUI) + Android (Compose)
  • Shared product spec and design system
  • Auth + payments + analytics wiring
  • Store submission on both platforms
Request brief
TIER · 02◆ Recommended

Mobile + Desktop

FROM £3K

Mobile plus desktop clients on macOS and Windows.

  • iOS + Android native clients
  • macOS (SwiftUI) + Windows (WinUI 3)
  • Shared backend and design language
  • Store submission across every platform
Request brief
TIER · 03

Full Ecosystem

CUSTOM

Apps, website, and bots shipped as one integrated product.

  • Mobile + desktop native clients
  • Marketing site + product platform
  • Telegram / Slack / Discord bots
  • Backend, auth, billing, automation
Request brief

Contact Us

Open a channel.

Briefs are reviewed within one working day. Tell us the objective, timeline, and constraints — we'll come back with a scope, price, and a plan.