> Markdown version of [/videos/100384-why-your-ios-app-feels-broken-after-an-hour-diagnosing-long-session-performance-on-real-devices?t=995](https://www.wearedevelopers.com/videos/100384-why-your-ios-app-feels-broken-after-an-hour-diagnosing-long-session-performance-on-real-devices?t=995). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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# Why Your iOS App Feels Broken After an Hour: Diagnosing Long-Session Performance on Real Devices

Why does your iOS app crawl after an hour? Stop relying on simulators and learn to diagnose long-session degradation, thermal cascades, and memory fragmentation on real devices.

- **Speakers:** [Vasuki Uday Kiran Vudathala](https://www.wearedevelopers.com/@vasuki-uday-kiran-vudathala)
- **Event:** World Congress 2026 North America
- **Published:** September 25, 2026
- **Duration:** 23:38
- **URL:** https://www.wearedevelopers.com/videos/100384-why-your-ios-app-feels-broken-after-an-hour-diagnosing-long-session-performance-on-real-devices
- **Thumbnail URL:** https://customer-goifxnzhrq3d0d54.cloudflarestream.com/93e1c4bcbcf03a84acfaad57b6fe90c9/thumbnails/thumbnail.jpg?time=131975ms

## Access

Playback and chapters for this video are available with a Free account.

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