Explore 700 articles on iOS performance
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Cash App cut their iOS app size in half in one year. Here's the playbook they used to get from 245 MB to 126 MB downloads.
Uber's mobile testing was broken. Engineers spent 30-40% of their time maintaining test scripts that broke with every UI change. So they built an AI that tests apps like a human would.
Yassir Ramdani and Austin Lai from Datadog built a custom SwiftUI graphing library that renders thousands of data points without lag. Here's how they debugged performance bottlenecks that most iOS developers ne...
Medium's iOS team rebuilt their search feature in SwiftUI and needed infinite scroll. Here's the elegant pagination pattern they landed on after years of iteration.
Very Good Ventures took the stage at Google Cloud Next 2024 to show how Flutter and Gemini are changing the game development playbook. Literally.
Swift just jumped from iOS apps to microcontrollers. The Swift team launched example projects showing how to write firmware for ARM and RISC-V chips using a new experimental compilation mode.
Lyft built Live Activities that update millions of users per week—but iOS sandboxing, 4KB payload limits, and image rendering nearly killed the project.
Dan Kelly explores how incident.io shipped a production mobile app in months without hiring a single mobile engineer. Their secret? Leaning hard into Expo's 'golden path.'
Joakim Hassila from Ordo One built a performance benchmarking tool that major Swift projects like Foundation, SwiftNIO, and SwiftPM are now using. If you're shipping Swift code without performance tests, you're...
Supriyo Mondal from Walmart reveals how they shaved 500-600ms off view rendering times by changing a single boolean flag. Sometimes the biggest performance wins come from the smallest tweaks.
Sima Nerush from Apple's SwiftUI team just made working with Swift parameter packs dramatically simpler. What used to require error-throwing workarounds now fits in a clean for-in loop.
Duolingo catches critical bugs before users ever see them. Their secret? 70% of employees actively use internal builds daily.
Pooja Krishna from Walmart Global Tech reveals why your iOS app's slow page loads are costing you users. The target? Under 2 seconds from tap to interactive content.
CRED Engineering faced a nightmare: caching every query combination would require 45,768+ TB of storage. Here's how they got it down to 135 MB.
Callstack just brought React Native to Apple Vision Pro, opening spatial computing to JavaScript developers. This changes the game for cross-platform VR development.
Still running separate iOS and Android teams in 2024? The economics of native development just stopped making sense. Here's why Flutter is quietly becoming the default choice for engineering leaders who need to...
Edward Gou from Sentry reveals why their performance scores were lying to developers. A single slow pageload could tank your entire app's score, even when 99% of users had fast experiences.
Still running separate iOS and Android teams in 2024? VGV breaks down why Flutter and React Native are replacing the old playbook for multi-platform development.
Alberto De Bortoli from Just Eat Takeaway reveals how his team built a fully automated iOS CI system that supports 40+ developers with just 5 bare metal instances. No manual SSH. No weekend waste. Pure infrastr...
Swiggy's restaurant app was crashing under load. Their React Native app couldn't handle more than 100 orders on budget devices, and they needed to scale 10x.