Pol Piella
@polpielladev
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App maker, content creator and public speaker based in Manchester. Building @helm_app, @NowPlayingGold, QReate and Fosi.
Barcelona, Spain
Joined November 2017
Crashes are the worst kind of errors your users can face—they stop your app with no warning. Some show up during development and get fixed quickly, but others only appear in production. You can catch the latter without third-party tools via Xcode’s Organizer or App Store Connect
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Had to be the first thing I did when I arrived last night ❤️ Looking forward to a few days off in Dublin 🇮🇪
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🎁🎄 This was Day 18 of the #AdventOfPerformance series! If you enjoy this content and want to learn more, make sure you follow me! https://t.co/zf2KSBD8bp
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📦And here's @twannl's Diagnostics library that lets you generate rich reports full of useful session information on-demand that you can request from your app's users https://t.co/qClN2yceuu
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🎁🎄 This was Day 17 of the #AdventOfPerformance series! If you enjoy this content and want to learn more, make sure you follow me! https://t.co/zf2KSBD8bp
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Want to audit your app for memory leaks without guesswork or stopping execution to inspect the memory debugger? 💪 Just spin up the Leaks instrument, use your app as you normally would, and get a clear visual indication of any instances that leak along the way.
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🎥 Live now! Join me for FREE to learn how to run Unit Tests on real devices as part of your CI/CD pipeline. 👉
streamyard.com
Testing your app across a wide range of real physical devices is one of the best ways to ensure it behaves consistently and reliably for every user. While simulators are invaluable during developme...
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🎁🎄 This was Day 15 of the #AdventOfPerformance series! If you enjoy this content and want to learn more, make sure you follow me! https://t.co/zf2KSBDG0X
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👀 If you use Foundation Models in, this one line change could have a big impact on your first request to a Language Model Session! By default, model resources load lazily on the first request. Call prewarm and load them at app launch instead to speed up your first request!
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New issue of the iOS CI Newsletter is out, this week we talk about: ⚡ Tips and tricks to speed up your app 🎥 A new FREE webinar for subscribers 📦 Installing PR CI artifacts on your phone 🤩 Automated Accessibility Testing 🚀 New EU CI/CD data centers 🌟 This issue was kindly
ioscinewsletter.com
Issue 83 of the iOS CI Newsletter, a fortnightly publication containing the latest iOS CI/CD news from the community.
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Evento mañana! Vamos abrir plazas de última hora. Prioridad para gente trabajando en apps y usuarios de RC!
Meetup en pleno Callao para hablar de lo que más nos gusta: apps y dinero 😸 Pásate para conocer a parte del equipo de @RevenueCat España. Habrá comida, buen ambiente y muchas ganas de compartir. Plazas limitadas! https://t.co/XRYkJpF6EV
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🎁🎄 This was Day 15 of the #AdventOfPerformance series! If you enjoy this content and want to learn more, make sure you follow me! https://t.co/zf2KSBD8bp
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During WWDC this year, Apple introduced a brand-new Instrument to help optimize your app’s impact on battery life: Power Profiler. 💡 Even better, Apple also added a Control Center action that lets you measure your app’s performance directly on-device without Xcode and capture
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My goal for 2026 is to launch my very first game. It’s been decades in the making, and if you’re a fan of collectible card games, stay tuned!
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🎁🎄 This was Day 14 of the #AdventOfPerformance series! If you enjoy this content and want to learn more, make sure you follow me! https://t.co/zf2KSBD8bp
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There’s one setting in the Developer menu you should enable today 👀 Hang Detection gives you visual feedback when hangs occur for TestFlight & Development builds on your device and automatically collects diagnostics, giving you the best chance at fixing them!
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🎁🎄 This was Day 13 of the #AdventOfPerformance series! If you enjoy this content and want to learn more, make sure you follow me! https://t.co/zf2KSBD8bp
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It mostly flew under the radar, but at this year’s WWDC Apple added a new App Store Connect API endpoint to fetch power & performance metrics for the latest version of your app. You can programmatically access data like hangs, memory usage, and more 👀 This unlocks some really
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Sometimes the most impactful changes are not hard to implement! 🚀 3 lines of code == 100x faster!
Not all performance improvements require a lot of research and code changes! Don't underestimate the power of low-effort wins like this one! 💡 This is a 3 lines of code trick I use all the time in @helm_app that makes parsing responses ~100x faster!
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