21tunnel vs Heightly
Neck and neck on boosts. Profiles, pricing and deals below.
21tunnel
The tunnel for AI agents
community boosts
⚡ 0
pricing
Freemium
what it is
Mint a master key once. Your AI assistant runs autonomously with scoped, short-lived child keys and instant cascade revoke. Built for Claude Code, Cursor, Aider, Devin. Also a full-featured ngrok alternative.
Heightly
See how tall you could get
community boosts
⚡ 0
pricing
Paid
what it is
Heightly predicts your height potential from your genetics, growth stage and habits — then gives you a daily plan of sleep, posture and nutrition to make the most of it.