Expert iOS App Development Company UK | Swift & Objective‑C Specialists
We deliver premium iOS App Development for UK businesses: Swift/SwiftUI codebases, Apple‑first UX, and 98% App Store approval on first submission. If you need a reliable iOS App Development Company UK, you’re in the right place.
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Apple‑approved builds that ship fast and convert
Right — developer to developer: I’ve shipped iOS since 2008. I’ve watched beautiful apps get rejected for simple guideline misses. Our method puts HIG & App Review rules at the start, not at submission.
- Native speed with Swift 5.9+, SwiftUI/UIKit, profiled in Instruments
- Seamless Apple ecosystem: iPhone, iPad, Apple Watch, Apple Pay, Sign in with Apple
- Built‑in ASO: metadata, screenshots, App Preview videos, review prompts
- Transparent sprints, UK time zone, weekly TestFlight builds
- Internal links for authority: Mobile App Development Company, Android, Cross‑Platform, Flutter
Performance & outcomes
- LCP under 2.5s with image/CDN optimisation and preloaded critical assets
- 98% first‑submission approval rates
- 12–20 week delivery for most apps
- £20k–£250k price bands, fixed quotes
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Six steps from idea to App Store
- Discovery & iOS Strategy (1–2 weeks): goals, analytics, App Review pre‑checks.
- iOS Design & Prototyping (2–3 weeks): SwiftUI‑inspired layouts, dynamic type, accessibility.
- Swift Development (6–12 weeks): modular architecture, CI with Xcode Cloud.
- Testing on Real Devices (2–3 weeks): TestFlight betas, Instruments profiling.
- App Store Submission (1–2 weeks): privacy labels, screenshots, phased release.
- Post‑Launch (ongoing): analytics, ASO, roadmap iterations.
iOS Development Technologies We Master
Swift Programming Excellence
Modern Swift App Development with Swift 5.9+, concurrency (async/await), Combine, protocol‑oriented patterns, and clean architecture.
Objective‑C Legacy Support
We maintain and migrate Objective‑C codebases to Swift, including bridging, modular refactors, and safety improvements.
SwiftUI & UIKit Expertise
SwiftUI for speed and consistency; UIKit for granular control and legacy modules. Full coverage of Dynamic Type, SF Symbols, VoiceOver, Dark Mode.
iOS Frameworks & APIs
- Core Data, CloudKit
- AVFoundation, Core Animation
- MapKit, Core Location
- APNs push
- StoreKit (IAP & subscriptions)
- Core ML, ARKit, RealityKit, Vision
- HealthKit, HomeKit, SiriKit, App Intents
- Apple Pay, Sign in with Apple
- ATS, Keychain, Secure Enclave
Types of iOS Apps We Develop
Native iOS Applications
High‑performance iPhone App Development with native animations, haptics, and Core ML.
Enterprise iOS Solutions
MDM compatible, SSO, private distribution with Apple Business Manager.
Consumer iPhone Apps
Subscription‑ready funnels, event tracking, Live Activities, Dynamic Island.
iPad App Development
Split View, Stage Manager, Pencil, keyboard shortcuts; productivity‑first UX.
iOS App Store Optimization & Approval
- App Store Connect, identifiers, code signing & provisioning
- Privacy labels, review notes with demo accounts
- ASO: keywords, screenshots, preview videos, review prompts
- Phased rollout, TestFlight groups, crash monitoring
References: Apple Docs, HIG, Review Guidelines, Swift.org.
App Store Preview Generator
iOS App Development Cost & Timeline
Simple iOS App
£20k–£50k • 8–12 weeks
- 3–5 screens
- Standard UI
- Basic backend
Medium Complexity
£50k–£100k • 12–20 weeks
- Custom UI/UX
- GPS, camera, payments
- Scalable backend
Complex Enterprise
£100k–£250k+ • 20+ weeks
- AR, ML, HealthKit
- Enterprise security
- Multiple integrations
Timeline Calculator
iOS Version Compatibility
iOS App Security & Privacy Compliance
- TLS 1.2+, ATS, Keychain, Secure Enclave
- Face ID/Touch ID, jailbreak detection
- GDPR‑ready consent and deletion flows
- OWASP MASVS checks, least privilege permissions
iOS App Development at Garage2Global is security‑first. We implement privacy nutrition labels correctly and prefer on‑device processing (e.g., Vision/Core ML) when feasible.
Our iOS App Portfolio & Case Studies
Fintech Wallet
SwiftUI + Apple Pay + Face ID. 0→10k MAUs in 6 months, 4.8★ rating.
Health & Wellness
HealthKit + Core ML coaching. +30% retention after optimisation.
On‑Demand Delivery
MapKit + push + real‑time tracking. 22% faster checkouts.
iOS vs Android: Which Should You Choose?
Tap to compare (collapsed by default)
| Factor | iOS (Apple) | Android |
|---|---|---|
| Revenue per user | Higher ARPU; premium users | Broader reach; lower ARPU |
| Fragmentation | Lower (iPhone/iPad families) | Higher across OEMs |
| Time to market | Fast using SwiftUI + TestFlight | Fast with Kotlin/Jetpack |
| Compliance | Stricter App Review | Play policies vary by market |
We build both. See Android Development and Cross‑Platform.
See Your iPhone App, Before It’s Built
iPhone Simulator
What you get with Garage2Global
- Prototype in 2–3 weeks
- Weekly TestFlight builds
- Performance budget & CWV‑ready assets
- ASO pack (keywords, screenshots, previews)
- 12‑month maintenance options
Problems We Solve for UK Businesses
- App Store approval fears — we run pre‑submission audits to avoid rejections.
- Unclear scope & costs — Sprint‑based plans with fixed quotes and option pricing.
- Slow performance — Instruments‑led profiling, smooth scrolling, fast start‑up.
- Security & privacy risk — ATS, Keychain, Secure Enclave, GDPR flows.
- Low conversions — ASO, subscription funnels, in‑app A/B testing.
Our Approach
We pair iOS App Developers with a product strategist. You’ll see velocity weekly, and we measure outcomes (activation, retention, ARPU) — not just tickets closed.
Approval Guarantee
If we miss on an App Review item we controlled, we fix it free.
Code Ownership
You own 100% of IP. Private repos, protected secrets.
Response SLAs
Critical issues: response < 2 hours, fix plan same day.
Industries & Solutions
Strong security, Apple Pay, KYC flows, real‑time data.
HealthKit, secure messaging, consent and audit trails.
StoreKit subscriptions, Apple Pay, analytics & CRO.
iOS App Development FAQs
How much does iOS app development cost in the UK?
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Will my iOS app get approved by the App Store?
Do I need separate apps for iPhone and iPad?
What’s the difference between Swift and Objective‑C?
Can you help with App Store submission and optimization?
Do iOS apps generate more revenue than Android?
Which iOS versions should my app support?
How do you ensure performance?
Can you integrate Apple services?
What happens after launch?
Do you provide maintenance?
Ready to Start Your iOS App Project?
Work with a premium iOS App Development Company UK that ships Swift/SwiftUI apps fast, secure, and App Review‑ready.