cd /news/artificial-intelligence/lock-tf-in-an-ai-drill-sergeant-that… · home › topics › artificial-intelligence › article
[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 views21 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)

Points: 1

Get AI news in your inbox

Daily digest of what matters in AI.

source & further reading
machinebrief.com — original article A Reality Check of Inference-Time Context Augmentation Methods Invisibilization as a Source of Probability Bias in Language Models TRIAD: Benchmarking Omni-Modal Ambiguity in Multimodal Large Language Models
── more in #artificial-intelligence 4 stories · sorted by recency
── more on @lock tf in 3 stories trending now
sponsored brought to you by zahid.host 4,200+ EU-deployed projects
reading about agents? ship yours in a single git push.

Run your AI side-project on zahid.host

EU-based hosting, git-push deploys, automatic HTTPS, no cold starts. Free tier with a custom domain — perfect for shipping the agent you just read about.

$git push zahid main
→ Live at https://your-agent.zahid.host ✓
Get free account → Pricing
from €0/mo · no card required
LIVE [news/lock-tf-in-an-ai-dri…] indexed:0 read:1min 2026-07-24 · —