math
RungPals
Same call, your choice. A number comes out of the see-through bag — which rung of your ladder does it go on? Everyone gets the same numbers, so your ladder is your own thinking. Build a ladder that climbs all the way.
▶ Play it nowBuilt for sittings of about 15 minutes on the screen. That is our design budget, not a measurement.
Meet your mentor
Every Spark & Anvil app has a friendly mentor character that demonstrates, asks, and patiently scaffolds learning.
Mentored by Inch
#2E6B3F Characters who teach
Meet the cast
Inch the snail climbs one rung each time your run grows.
Inch
A snail who climbs one rung every time your ladder's run grows longer
Tilly
Slides each tile into its slot and asks: is there room above it?
Lotti
Looks into the see-through bag and counts what is still left
Ruma
Knows where the middle numbers go — the middle of the line, the middle of the ladder
What's inside
Learning goal
Same call, your choice. A number comes out of the see-through bag — which rung of your ladder does it go on? Everyone gets the same numbers, so your ladder is your own thinking. Build a ladder that climbs all the way.
Mentored by Inch — no data leaves the device.
How RungPals handles your kid's data
- ✅ All progress, settings, and AI-generated content stays on the device
- ✅ No analytics, no tracking, no third-party SDKs
- ✅ Free — no ads, no in-app purchases
- ✅ No personal information collected from children — in line with COPPA (updated by the 2026 FTC amendments)
- ✅ No chat with strangers — play-together rooms use a short code and preset emotes, never typed messages