Explore 663 articles on iOS performance
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Kcrdissanayake from PickMe Engineering breaks down a critical choice every Swift developer faces: how to safely manage shared state across threads without killing performance.
Spotify ships weekly releases to 675 million users across iOS and Android. Here's how they balance speed with quality at that scale.
Swift 6.1 just dropped with some seriously practical upgrades. If you've been wrestling with concurrency boilerplate or data-race safety warnings, this release is for you.
Timotius Leonardo Lianoto from IDN Engineering just solved a problem most iOS teams don't even realize they have: Remote Config is quietly eating memory and creating testing nightmares.
While web developers enjoy Claude integration and free Copilot, iOS developers are stuck with Xcode's basic code prediction. The tooling gap is getting embarrassing.
Careem was losing weeks waiting for app releases just to update a banner. During Ramadan, when customer behavior shifts daily, that delay was killing their food business.
Wealthfront's iOS team cut E2E test time in half with just 40 lines of code. The culprit? A 1-second polling interval nobody questioned.
Kcrdissanayake from PickMe Engineering reveals why SwiftUI's AppStorage is a security risk for sensitive data. Their solution? A custom property wrapper that encrypts everything before it hits storage.
Skyscanner was drowning in observability chaos: multiple vendors, fragmented tools, and engineers losing confidence in their ability to debug production issues.
PickMe rebuilt their entire iOS app from Objective-C to SwiftUI in just 6 months. Here's how a team that started with 1 developer scaled to 10 engineers and shipped a complete rewrite.
Callstack reveals how to bridge SwiftUI's modern declarative views directly into React Native apps. This is the integration pattern brownfield teams have been waiting for.
Tinder ships their iOS app to 190+ countries in 50+ languages. That localization overhead was costing them 51MB of install size.
Square just launched their Mobile Payments SDK to GA with a twist: your phone becomes the card reader. No external hardware required for contactless payments.
Profiling React Native apps just got a serious upgrade. Tracy, the real-time profiler that game developers swear by, now works seamlessly with React Native's native layer.
Your key metric just tanked 20%. Was it a code change? An OS update? A data pipeline bug? Pinterest built a platform to answer this question at scale.
Duolingo's QA team cut manual regression testing by 70% using AI. Here's how they made it work at scale.
Very Good Ventures makes the case for Flutter with data that's hard to ignore: 93% developer satisfaction and 24% user growth in a single year. If you're evaluating cross-platform frameworks, this breakdown cut...
Owen Voorhees from Apple just dropped a bombshell: the build engine that powers millions of App Store apps is now open source. This changes everything for Swift developers working across platforms.
Yağız Gürgül from Wise Engineering reveals how they shipped interactive 3D animations in their mobile app—and crushed a 324 MB asset bundle down to just 3.7 MB. The secret? A clever web-based approach that deli...
React Native 0.77 just dropped with over 1,061 commits from 161 contributors. The team is bringing web-standard CSS properties to mobile and making a bold move to Swift for iOS templates.