21tunnel vs Übungszeit
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.
Übungszeit
German practice online, A1
community boosts
⚡ 0
pricing
Freemium
what it is
Free German practice online — reading, listening, writing and speaking, A1 to C1. Original exercises, marked in seconds with every mistake explained.