// a developer learning tool
learn a new lang
by comparing it
to what you know
Pick a language you know and one you want to learn. Every feature shown side-by-side with examples, descriptions, and gotchas.
// what's inside
01
Side-by-side
Every language feature shown simultaneously — no context switching.
02
Track progress
Mark features complete. Resume where you left off.
03
AI tutor
Bring your own API key and ask questions in context.