iOS App Development (Swift & SwiftUI)
Native iPhone and iPad apps in Swift and SwiftUI — launch-ready, App Store-compliant.
· Reviewed by senior engineers
01 What it is
What this service is
Native iOS development means building an app using Apple's first-party tools — Swift, SwiftUI, UIKit, Xcode — to produce a binary that runs natively on iPhone and iPad. It's the path to the deepest platform integration (ARKit, Core ML, HealthKit, HomeKit, WidgetKit) and the most polished, App-Store-quality user experience.
At devinsta we ship native iOS apps using SwiftUI for new code, UIKit for legacy maintenance, and a structured-concurrency-first architecture (async/await, actors, observation framework).
02 What it's for
What it's for
Native iOS is the right call when the app needs deep platform features (Live Activities, App Clips, Vision Pro support), when 60fps interaction is non-negotiable, when an existing iOS audience expects an experience indistinguishable from Apple's own apps, or when App Store compliance for payments and subscriptions matters.
It's not the right call when feature parity across iOS and Android is the priority and the budget can't sustain two codebases — in that case React Native or Flutter is usually a better fit.
03 How to use it
How to engage devinsta
Engagements typically run 10–20 weeks for an MVP. We start with a discovery sprint covering core user flows, the data model, the integration surface, and the App Store submission plan. We then ship in two-week sprints with TestFlight builds shared with stakeholders every Friday.
04 How to deploy
How we deploy it
We use Xcode Cloud or fastlane for CI/CD. Every commit produces a TestFlight build; production releases go through Apple's review process with a documented submission checklist (privacy nutrition label, App Tracking Transparency, age rating, export compliance).
Observability uses Apple's MetricKit for performance plus Sentry or Crashlytics for crash reporting. Push notifications use APNs with a typed wrapper. In-app purchase uses StoreKit 2 with server-side receipt validation.
05 What we provide
What you get from us
- iOS app from discovery to App Store launch
- SwiftUI / UIKit implementation
- TestFlight beta distribution
- App Store submission and review handling
- Push notifications, deep links, universal links
- In-app purchase with server-side receipt validation
- Crashlytics / Sentry observability
- App Store Optimisation (ASO) support
FAQ
Common questions
How long does App Store review take?
Usually 24–72 hours for normal updates. First submissions or major behaviour changes can take 3–7 days. We build a submission checklist that pre-empts the common rejection reasons (privacy declarations, payment flows, content policies).
Do you support iPad?
Yes — we build with size classes and adaptive layouts from the start, so iPad support is included by default. We also support Mac via Mac Catalyst when it makes sense.
What about Apple Watch and Vision Pro?
Yes for Apple Watch (WatchOS apps and complications). Vision Pro (visionOS) is supported for clients who need spatial computing — typically retail, training, and medical imaging use cases.