Stop
starting over
Language apps teach everyone the same lessons. Koibolo builds yours from scratch — based on what you already know.
“I’ve been learning Spanish for two years and every app still starts me at hola.”
Beginner apps repeat what you know. Advanced apps ignore what you’ve learned. Neither gets you to fluency.
It remembers
every word you know
Koibolo tracks your vocabulary, grammar, and confidence — then builds lessons with exactly the words you need next. No pre-made courses. No one-size-fits-all. Every lesson is built for you, in real time.
How it works
Step 1
Pick your language
Choose from a growing library of supported languages.
Step 2
Take a quick placement
A 2-minute conversation so we know exactly where you are.
Step 3
Get your first lesson
Personalized from word one. New vocabulary every session.
Lessons that know you
Every lesson adapts to the words you’ve mastered and the ones you haven’t.
Review that’s never random
Repetition that targets your weak spots — not a shuffled deck of everything.
Real-world practice
Stories, conversations, and practice that use only language you’re ready for.
Pricing
Free
$0
forever
- ✓ Personalized lessons
- ✓ Placement assessment
- ✓ Spaced-repetition review
- ✓ Progress tracking
Premium
$19.97
per month
$14.92
per month
- ✓ Everything in Free
- ✓ Stories & reading practice
- ✓ Penpal conversations
- ✓ Personal coach (chat)
- ✓ Custom vocabulary & lessons
- ✓ New words every day
Languages
Ten languages that start exactly where you are.
More languages on the way.
Give us five lessons.
That’s it. Five lessons. And see what happens when lessons finally pick up where you left off.
Start now — it’s free →
No credit card. No commitment.