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[ARTICLE · art-71535] src=machinebrief.com ↗ pub= topic=artificial-intelligence verified=true sentiment=· neutral

Lock TF IN: an AI drill sergeant that roasts skipped workouts

A new iOS app called Lock TF IN, described as an AI drill sergeant that roasts skipped workouts, has been released on the Apple App Store. The app uses artificial intelligence to motivate users by criticizing missed exercise sessions.

read1 min views1 publishedJul 24, 2026
Lock TF IN: an AI drill sergeant that roasts skipped workouts
Image: Machinebrief (auto-discovered)

By symbiexSource:

[Hacker News AI](https://news.ycombinator.com)Article URL: [https://apps.apple.com/us/app/lock-tf-in-ai-companion/id6788896897](https://apps.apple.com/us/app/lock-tf-in-ai-companion/id6788896897)

Comments URL: [https://news.ycombinator.com/item?id=49031206](https://news.ycombinator.com/item?id=49031206)

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source & further reading
machinebrief.com — original article The race to collect every book ever written Multilevel Graph Wavelet Compressed Sensing with Scale-Aware Neural Recovery SOAP, Muon, and Beyond: Pushing LLM Pretraining Scales
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