Explore 662 articles on iOS performance
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Emre Havan from Freeletics ditched third-party analytics SDKs and built a custom tracking system using CoreData. The result? Full control over batching, performance, and data flow without external dependencies.
Alexander Nikishin from Bumble's engineering team cracked open iOS 13's binary code with a disassembler to find a bug Apple couldn't fix for 8 months. What he discovered was a single misplaced bit in a keyboard...
Spotify lifted the 10,000 Liked Songs limit. But that simple feature request triggered a year-long architecture overhaul affecting 100,000 lines of code.
Victor Pavlychko from Grammarly tackles the challenge every iOS team faces: loving SwiftUI's elegance but being stuck with years of UIKit code. His solution? Reverse engineer SwiftUI's best features into their ...
Cash App's engineering team just open-sourced their solution to one of iOS development's most frustrating problems: testing accessibility without the manual grind.
Spotify cut iOS pre-merge CI times by 75% with one infrastructure change. Here's how they validated and scaled their approach.
Joel from OkCupid's engineering team built the same login flow twice—once in SwiftUI, once in UIKit—to support millions of users across iOS versions. Here's what he learned about making them coexist.
Bank of America cut their mobile app response time in half. Here's how they did it with a simple API consolidation strategy.
React Native 0.62 just shipped with Flipper debugging built in by default. This release fundamentally changes how mobile developers debug cross-platform apps.
First impressions matter. For iOS apps, that means every millisecond between tap and first screen counts.
Mercari's iOS team needed to monitor performance without building an entire infrastructure team. Here's how they did it in under a week.
Pinterest found a single tweak that slashed their build times by a jaw-dropping 99%.
Gojek's iOS team was bleeding 11 minutes per build. 100 engineers, 350 daily CI pipelines, and a productivity crisis that demanded action.
Kevin Beaulieu from Thumbtack reveals how they built an iOS design system that balances strict consistency with real-world flexibility. The secret? Making standard usage effortless while keeping customization p...
Nate Cook from Apple's Swift team just made building command-line tools in Swift genuinely enjoyable. The new ArgumentParser library turns 50 lines of code into a fully-featured CLI with subcommands, validation...
Netflix just brought AV1 streaming to TVs, marking a major milestone for the royalty-free codec. The result? Measurably better streaming for millions of members.
Cash App just open-sourced Stagehand, their solution to a problem that's plagued iOS developers since 2008: building animations shouldn't feel like archaeology.
Michael Rebello from Lyft reveals how they scaled from hand-written APIs to a unified networking architecture serving 500+ endpoints. The journey involved killing technical debt, slashing payload sizes by 50%, ...
Grab reduced their super app's startup time by 60% while shipping dozens of new features. Here's how they saved users 59,582 hours per day.
Grab cut app startup time by 60% while shipping dozens of new features. Here's how they did it without compromising velocity.