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.
UK‑based senior team
Swift 5.9+ • SwiftUI • UIKit
GDPR & security by design
200+ launches
£50M+
client revenue
98%
first‑submission approval
12–20 wks
typical build
4.8★
average ratings
£50M+
client revenue
98%
first‑submission approval
12–20 wks
typical build
4.8★
average ratings
On this page (tap to expand)
- Why choose us
- Process
- Technologies
- Types of apps
- ASO & approval
- Cost & timeline
- Security
- Portfolio
- iOS vs Android
- iPhone simulator
- Problems we solve
- Guarantees
- Industries & solutions
- FAQs
Why Choose Our iOS App Development Services?
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.
- Internal links for authority: Mobile App Development Company, Android, Cross‑Platform, Flutter
- 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
Performance & outcomes
- 98% first‑submission approval rat
- 12–20 week delivery for most apps
- £20k–£250k price bands, fixed quotes
- LCP under 2.5s with image/CDN optimisation and preloaded critical assets
Replace with your verified metrics for maximum credibility.
Our iOS App Development Process (Apple‑Approved Methodology)
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.
Swift 5.9+
Combine
Async/Await
Result Builders
Objective‑C Legacy Support
We maintain and migrate Objective‑C codebases to Swift, including bridging, modular refactors, and safety improvements.
Objective‑C
Bridging
ARC
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.
SwiftUI
UIKit
Auto Layout
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.
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
Latest devices incl. iPhone 15; best for new features.
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
Fintech
Strong security, Apple Pay, KYC flows, real‑time data.
Healthcare
HealthKit, secure messaging, consent and audit trails.
E‑commerce
StoreKit subscriptions, Apple Pay, analytics & CRO.
iOS App Development FAQs
How much does iOS app development cost in the UK?
Typically £20,000–£250,000+ based on features, integrations, and complexity. Simple apps start at £20k; enterprise builds can exceed £200k.
How long does it take to develop an iOS app?
Most apps take 12–20 weeks end‑to‑end. Complex apps may run 20+ weeks.
Will my iOS app get approved by the App Store?
We design to HIG/Review Guidelines and maintain a 98% first‑submission approval rate, including review notes and demo accounts.
Will my iOS app get approved by the App Store?
We design to HIG/Review Guidelines and maintain a 98% first‑submission approval rate, including review notes and demo accounts.
Do I need separate apps for iPhone and iPad?
Usually a universal app works best; we tailor layouts for each device and add iPad‑specific workflows where needed.
What’s the difference between Swift and Objective‑C?
Swift is safer and faster to develop. We maintain Objective‑C legacy and migrate when ROI is clear.
Can you help with App Store submission and optimization?
Yes — App Store Connect setup, metadata, screenshots, preview videos, and ASO testing.
Do iOS apps generate more revenue than Android?
On average, iOS users have higher ARPU. Many premium products launch iOS‑first.
Which iOS versions should my app support?
We typically target iOS 16+ to capture 90%+ active devices while using modern APIs.
How do you ensure performance?
We profile with Instruments, set budgets for rendering/network, and test across devices.
Can you integrate Apple services?
Yes — Apple Pay, Sign in with Apple, HealthKit, HomeKit, SiriKit, App Intents, and more.
What happens after launch?
We monitor analytics, handle hotfixes, and iterate roadmap items for growth.
Do you provide maintenance?
Yes — SLAs for updates, OS compatibility, and new feature development.
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.