{"slug": "lock-tf-in-an-ai-drill-sergeant-that-roasts-skipped-workouts", "title": "Lock TF IN: an AI drill sergeant that roasts skipped workouts", "summary": "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.", "body_md": "# Lock TF IN: an AI drill sergeant that roasts skipped workouts\n\nBy symbiexSource:\n\n[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)\n\nComments URL: [https://news.ycombinator.com/item?id=49031206](https://news.ycombinator.com/item?id=49031206)\n\nPoints: 1\n\n# Comments: 0\n\nGet AI news in your inbox\n\nDaily digest of what matters in AI.", "url": "https://wpnews.pro/news/lock-tf-in-an-ai-drill-sergeant-that-roasts-skipped-workouts", "canonical_source": "https://www.machinebrief.com/news/lock-tf-in-an-ai-drill-sergeant-that-roasts-skipped-workouts-pc0t", "published_at": "2026-07-24 04:24:14+00:00", "updated_at": "2026-07-24 06:04:23.524087+00:00", "lang": "en", "topics": ["artificial-intelligence", "ai-products"], "entities": ["Lock TF IN", "Apple App Store"], "alternates": {"html": "https://wpnews.pro/news/lock-tf-in-an-ai-drill-sergeant-that-roasts-skipped-workouts", "markdown": "https://wpnews.pro/news/lock-tf-in-an-ai-drill-sergeant-that-roasts-skipped-workouts.md", "text": "https://wpnews.pro/news/lock-tf-in-an-ai-drill-sergeant-that-roasts-skipped-workouts.txt", "jsonld": "https://wpnews.pro/news/lock-tf-in-an-ai-drill-sergeant-that-roasts-skipped-workouts.jsonld"}}