Notizen aus der Praxis zu nativem iOS-Engineering, Webprodukten und selbstbewusstem Ausliefern.
A technical brief for a web project covers the problem, users, scope, constraints, budget range and success measures in two to four pages.
A shared backend for SwiftUI and Next.js works when one auth provider issues the tokens and one Postgres schema generates the types for both clients.
Learn app store optimization basics: the character limits for names, subtitles and keywords, how screenshots rank, and the Google Play differences.
Fastlane turns the archive, sign and upload loop into named lanes your CI can run. Here is the setup that works: Bundler, an API key, match and pilot.
Most 2026 estimates put an iOS app at $15,000 to $50,000 for a simple build and $150,000 to $300,000+ for a complex one. Ranges and cost drivers.
Build an offline first iOS app: keep a local store as the source of truth, sync with an outbox, pick a conflict rule and treat background fetch as a hint.
Universal links on iOS and App Links on Android open your app from a tapped https link, with a safe fallback when the app is not installed.
iOS push notifications need a one hour APNs provider token, a payload under 4KB, and a permission prompt timed to a real user action, not app launch.
SwiftData fits most new iOS 17+ apps. Core Data still wins for older OS support, SQL-layer aggregate queries, and existing CloudKit setups.
WidgetKit covers widgets, controls and Live Activities, but only Live Activities run on ActivityKit, skip timelines and drop network and location access.
Apple ties over 40% of unresolved App Store rejections to one guideline. See the six that account for most rejections, quoted from Apple's own text.
Swift 6 strict concurrency turns data races into compile time errors. Here is the module by module process for migrating an existing app without a full rewrite.
In 2026, SwiftUI is the default for new iOS screens and rewrites, while UIKit still fits legacy code and a few uncovered APIs. Here is the decision rule.
How we take a SwiftUI product from first commit to a clean App Store release: audits, bridges, and staged rollouts.
