Our expertise in adapting iPad apps for multitasking dates back to 2019. It's not merely about toggling a setting—it's a comprehensive UX overhaul. If your app is missing from the multitasking tray, or shows black bars in Slide Over, or Magic Keyboard users can't navigate sections via shortcuts, these are symptoms of lacking Multitasking support. We've revamped over 30 iPad apps—from financial tools to photo editors. According to Apple's Human Interface Guidelines, apps must function in all supported multitasking modes. Adaptation expenses are 3–5 times lower than a full UI rewrite—saving you up to 60%. Pricing is determined after an audit; typical cost is $2,000–$5,000 for full adaptation.
| Multitasking Mode |
Screen Space |
Key Requirement |
| Split View |
Half per app |
UISplitViewController, Size Classes |
| Slide Over |
Floating window |
Auto Layout, compact width |
| Stage Manager |
Resizable windows |
Multiple Windows, .tile behavior |
Typical Issues Without Multitasking Support
- Split View not listed: App doesn't appear in the multitasking tray.
- Slide Over cropped: UI elements are clipped or truncated.
- Stage Manager freezes: App crashes or freezes when resized.
- Keyboard shortcuts missing: Users on Magic Keyboard cannot navigate efficiently.
- Drag & Drop absent: No support for dragging content between apps.
Our Analysis Approach
We analyze your current UI structure and provide a step-by-step plan. We review your view controllers, Auto Layout constraints, and size class handling. We also check for compatibility with iOS 16+ Stage Manager.
Implementation Steps
-
Audit & Planning: We identify all view controllers and their size class responses. We create a detailed migration plan. (Day 1)
- UISplitViewController Integration: We replace existing navigation with UISplitViewController (or NavigationSplitView in SwiftUI). We configure primary/secondary columns and tile behavior. (Day 2)
-
Size Class Adaptation: We implement Size Classes using Xcode's Interface Builder or code. We ensure every view adapts to compact and regular widths. (Day 3)
- Drag & Drop and Keyboard Shortcuts: We add UIDragInteraction/UIDropInteraction and UIKeyCommand for common actions. This improves productivity. (Day 4)
-
Testing & Polish: We test on multiple iPad simulators and real devices. We verify compliance with App Store guidelines. (Day 5)
What's Included in Our Service
- Code audit and migration plan (documentation)
- UISplitViewController or NavigationSplitView implementation
- Size Classes and Adaptive Layout
- Drag & Drop support
- Keyboard shortcuts
- Stage Manager compatibility
- App Store submission support
- 1 month of post-launch support
Company Metrics
- 6+ years of iOS development experience
- 30+ iPad apps adapted for multitasking
- 100% App Store approval rate for our adaptations
- 90% of clients see reduced support tickets after adaptation
- Trusted by companies like Finova and PhotoEdit
Why choose us over freelancers?
Our team combines deep expertise and a systematic process. We deliver 3x faster than average freelancers and guarantee App Store compliance.
Frequently Asked Questions
How do Split View and Slide Over differ?
Split View displays two apps side by side, each taking half the screen. Slide Over shows a compact floating window that can be swiped away. Both require flexible sizing via Auto Layout and Size Classes.
Is UISplitViewController mandatory?
It's recommended but not required. UISplitViewController simplifies layout changes on size class transitions. In SwiftUI, use NavigationSplitView. Without it, you must manually handle size changes via traitCollectionDidChange.
What is the typical timeline for adaptation?
Basic setup with UISplitViewController takes 1–2 days. Full adaptation including Size Classes, Drag & Drop, and keyboard support takes 3–5 days, depending on UI complexity. Our average project is 4 days.
What are frequent pitfalls?
The top mistake is using device idiom (e.g., checking .pad) instead of size class (horizontalSizeClass). Another is ignoring UISplitViewController's minimum column widths, causing layout breaks. Also, not supporting Multiple Windows for Stage Manager.
Does Stage Manager work automatically?
Not automatically. You need to enable Multiple Windows support via UIApplicationSupportsMultipleScenes in Info.plist. Then UISplitViewController with .tile behavior works correctly in Stage Manager on iPadOS 16+.
Why is Native iOS Development the Best Choice for Complex Apps
The app crashes on cold start — EXC_BAD_ACCESS at the moment of initializing a singleton that accesses another singleton that hasn't been initialized yet. Or: a ViewController leaks memory because a closure captures self without [weak self], and that ViewController hangs in memory two transitions after the user left it. These are not hypothetical scenarios — they are the two most common classes of problems on iOS projects that come to us after another team.
We have been doing iOS development for over 5 years, delivered 40+ projects of varying complexity — from startups to enterprise solutions with millions of users. Each project undergoes 3 stages of Code Review, a custom set of UI tests (150+ test cases on average), and a mandatory run through Xcode Instruments before release.
Native iOS development with Swift means direct access to the platform. No middleware, no performance compromises, full control over what happens on every frame.
What Makes Native iOS Development on Swift the Choice for Enterprise Apps?
Native code guarantees compatibility with new Apple APIs on the day they are released, not after months of adaptation in cross-platform frameworks. For apps with latency-sensitive logic (financial terminals, medical monitors, AR navigation), this is critical. Swift with ARC and strict typing allows maintaining a crash-free rate of 99.9% with proper architecture.
SwiftUI or UIKit: What to Choose for Native iOS Development
By now, SwiftUI covers the vast majority of production tasks. But UIKit is not deprecated and will not disappear — Apple does not deprecate it but continues to add APIs. The real picture on large projects: a hybrid approach. SwiftUI for most screens, UIKit where SwiftUI hits limitations.
Which Scenarios Does SwiftUI Win Unconditionally
SwiftUI's declarative syntax reduces UI code by 3-5 times compared to UIKit. A settings screen with List, Toggle, Picker — that's 40 lines of SwiftUI versus 200 lines of UIKit with UITableViewDataSource delegates. Time savings on UI development reach 60%. Apple recommends starting new projects on SwiftUI (Human Interface Guidelines).
@State, @Binding, @ObservableObject (and with iOS 17, the @Observable macro) create a reactive link between data and UI without manual reloadData(). Changing a @State variable automatically redraws the affected part of the hierarchy. This works correctly if you understand how SwiftUI computes the diff — via Equatable and id in ForEach.
AsyncImage, NavigationStack with type-safe routing via NavigationPath, searchable, refreshable — these are ready-made patterns that UIKit requires implementing manually.
When UIKit Remains Necessary
UICollectionView with compositional layout and diffable data source — complex grids with different cell types, horizontal sections inside vertical scroll, dynamic cell sizes. SwiftUI LazyVGrid / LazyHGrid do not provide such control.
Custom transitions between screens. UIViewControllerAnimatedTransitioning and UIViewControllerInteractiveTransitioning — interactive pop gesture with partial progress, custom hero transition with precise frame control. SwiftUI matchedGeometryEffect covers some cases, but not all.
UITextView with TextKit 2. Rich text editor, custom attributes, custom rendering — TextKit 2 (available since iOS 16) switched to async layout, solving performance issues on long documents. SwiftUI TextEditor is a wrapper around UITextView without direct access to TextKit.
UIScrollView with custom behavior. scrollViewDidScroll, parallax effects, sticky headers with custom logic, pull-to-refresh with custom indicator. SwiftUI ScrollView with scrollPosition and onScrollGeometryChange (iOS 17) covers some cases, but not all.
How Do We Integrate SwiftUI and UIKit Step by Step
- Identify screens where SwiftUI gives maximum gain (lists, forms, settings) — usually 70-80% of screens.
- For performance-critical areas (complex collections, custom animations) leave UIKit.
- Use
UIHostingController to embed SwiftUI views into UIKit navigation stack.
- For backward compatibility, wrap UIKit components via
UIViewRepresentable.
- Coordinator pattern (UIKit) manages navigation at the flow level, screens are implemented in SwiftUI.
One pattern we use on projects: UIKit coordinator manages navigation, while the screens themselves are in SwiftUI. The coordinator creates a UIHostingController, passes ViewModel via initializer or @EnvironmentObject, and manages transitions. This gives clean separation: SwiftUI handles UI, Coordinator handles navigation.
How async/await and Combine Work Together
Before Swift 5.5, asynchronous code on iOS was built on Combine or callback chains. With the advent of async/await and Actor, concurrency has become part of the language. On new projects we use async/await as the primary tool for network calls and business logic, and Combine for reactive UI state binding.
// Correct — @MainActor guarantees UI updates on main thread
@MainActor
class UserViewModel: ObservableObject {
@Published var user: User?
@Published var isLoading = false
func loadUser(id: String) async {
isLoading = true
defer { isLoading = false }
do {
user = try await userService.fetch(id: id)
} catch {
// handle error
}
}
}
Combine remains indispensable for debouncing input, merging multiple Publishers (CombineLatest, Zip), and functional processing of value streams (map, flatMap, filter). In practice, 80% of projects use both approaches, choosing the tool for the task.
iOS App Architecture
MVVM — the basic pattern. ViewModel contains logic and @Published state, SwiftUI View subscribes via @ObservedObject or @StateObject. One rule: View knows nothing about URLSession, CoreData, UserDefaults.
Clean Architecture adds Repository and UseCase layers. UserRepository abstracts the data source (network vs cache). FetchUserUseCase contains business logic. UserViewModel calls UseCase and manages UI state.
TCA (The Composable Architecture) — a stricter pattern from Point-Free. State, Action, Reducer, Effect — everything explicit, testable, composable via Scope. Works well in large teams (5+ iOS developers) where predictability is important.
What's Included in iOS App Development
| Stage |
Deliverables |
| Analysis and Design |
Technical specification, architectural diagram, technology stack selection |
| Development |
Code compliant with App Store Review Guidelines, backend integration (REST/GraphQL) |
| Testing |
Unit tests (XCTest, coverage >75%), UI tests (XCUITest, 150+ scenarios), load testing via Firebase Test Lab |
| Publication |
Developer account setup, code signing, submission to App Store Connect |
| Support |
30-day warranty after release, updates for new iOS versions |
Tools Without Which No Release Is Complete
Xcode Instruments. Time Profiler shows where CPU spends time. Allocations — memory leaks and excessive allocations. Leaks — objects that are not freed. Before every release — a mandatory run.
Firebase Crashlytics. Crash-free rate, grouping by stack trace, breadcrumbs of events leading to crash. Set up in 30 minutes, provides visibility across the entire device fleet. On our projects, average crash-free rate is 99.8%.
Fastlane match. Manage certificates and provisioning profiles via an encrypted git repository. Eliminates the 'it builds locally but not on CI' issue once and for all. Saves up to 4 hours per build when signing manually.
XCTest + XCUITest. Unit tests for ViewModel and UseCase, UI tests for critical flows (onboarding, payment, authorization). On average, code coverage is 75%.
Typical iOS Project Mistakes and Their Solutions
| Problem |
Solution |
Memory leak due to self capture in closure |
Use [weak self] in all handlers where self does not need to outlive the closure |
| Provisioning Profile conflicts |
Set up Fastlane match and store certificates in a separate repository |
| Slow app start due to synchronous singleton initialization |
Move initialization to first call or use lazy var |
| App Store rejection due to Section 4.2 (minimal functionality) |
Conduct a preliminary audit using the App Store Review Guidelines checklist |
Process and Timelines
| Complexity |
Estimated Timeline |
| MVP (5–8 screens, basic API) |
6–10 weeks |
| Medium app (15–25 screens) |
3–5 months |
| Complex (payments, AR, CoreML, custom UI) |
5–9 months |
Cost is calculated individually after analyzing the technical specification and design. Typically, the first 2 weeks are spent on design, after which we finalize the timeline and budget.
Order turnkey development — we will evaluate your project in 2 business days and propose the optimal architecture. Contact us to discuss your task: we guarantee code quality, compliance with App Store Review Guidelines, and experience with projects of any scale. Get a consultation — we will help you choose the right stack and avoid common mistakes at the start.