When the music plays,
math becomes an adventure.
5 minutes a day. Your child keeps coming back for more.
Music. Dance. Math Adventure.
Solve to Attack
Battle monsters with math. Every correct answer lands a hit!
Puru Dances!
Get it right and Puru celebrates with a dance. The music keeps the energy going.
Explore New Maps
Unlock new worlds. Each adventure brings new music and excitement.
Screen time you can feel good about.
Your child will never encounter unexpected ads.
No loot boxes, no surprise charges. Ever.
All progress stays on the device. We don't collect personal info.
Short sessions by design. Focused learning, not endless scrolling.
5 min/day × 30 days.
Watch their confidence grow.
Just 5 minutes a day. No nagging needed — kids want to come back because the music and adventure make it fun.
After 30 days, you'll notice the difference.
Compare and decide.
Kumon / Mathnasium
$100-150/mo
Plus driving, scheduling, materials
Kazumon
Free - $5
One-time purchase. No subscriptions.
What parents are saying
My 5-year-old is hooked
Simple is best. My son naturally got comfortable with addition and seems more confident now.
App Store ReviewNo guilt screen time
I can hand them the iPad without feeling bad about it.
App Store ReviewKids love the music
The rhythm and dancing keep my kid engaged way longer than flashcards ever did.
App Store ReviewAbout OHLO
OHLO is a studio that builds learning apps for kids.
Our flagship app, Kazumon, is a math RPG for ages 4-8.
We refine the experience based on feedback from real kids — making learning feel like play.
- Founded
- 2025
- Based in
- Japan
- Focus
- Educational mobile apps for children
Ready for the adventure?
Start with 5 minutes today.
Free to start · No ads · Ages 4-8