Mental Math Kingdom
Mental Math Kingdom is made and published by Hiroki Sekimoto. AppBrain is an independent app data site and isn't affiliated with Hiroki Sekimoto. The app name, icon, screenshots and description belong to Hiroki Sekimoto and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- July 9, 2026
Rankings
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Releases
Updates seen on the App Store- Version
- 1.0.1
- Launched
- July 2026
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 13.1 MB
- Content rating
- Everyone
Technologies used by Mental Math Kingdom
About the app and developer
About Mental Math Kingdom
Mental Math Kingdom is an education app developed by Hiroki Sekimoto.
User Ratings
The app has no ratings yet.
App Information
Mental Math Kingdom is freely available from the App Store. The app size is 13.07 MB. The latest version available is 1.0.1. The last update was on July 9, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since July 2026.
Developer information for Hiroki Sekimoto
Address:
Frequently asked questions about Mental Math Kingdom
Is Mental Math Kingdom free?
Yes. Mental Math Kingdom is free on the App Store.
Is Mental Math Kingdom still available?
Yes. Mental Math Kingdom is on the App Store, and the last update we saw was on July 9, 2026.
How large is Mental Math Kingdom?
Mental Math Kingdom is 13.07 MB.
Is Mental Math Kingdom suitable for children?
App Store rates the content of Mental Math Kingdom as suitable for everyone.
Who made Mental Math Kingdom?
Mental Math Kingdom was developed by Hiroki Sekimoto. It is listed in the education category on the App Store.
What are the best alternatives to Mental Math Kingdom?
People looking at Mental Math Kingdom also look at these education apps: FlashAnzan: Mental Math, anzan-kun, King of Calc 2, Flash Mental Calc, シンプルFLASH暗算.
Store listing
By Hiroki Sekimoto, from the App StoreDescription by Hiroki Sekimoto Written by the developer, not by AppBrain. Click to read.
A mental math trainer you can hand to your kids with confidence. Your learning records stay on your device, and no account is needed.
■ Your journey on the Math Road
From grade-1 addition to times tables, 2-digit multiplication, and adult-level challenges — climb Levels 1 to 20, collecting stars one step at a time.
- Pick your grade, or take a 1-minute placement test to find your starting point
- Always start where you can win, and level up without frustration
- Grade 1 (addition), Grade 2 (times tables), Grade 3 (division), Grade 4+ (2-digit multiplication), plus brain training for teens and adults. The whole family can use it.
■ Master mental multiplication
Doing "23 x 47" in your head is a real skill — and the top of the Math Road is where you earn it.
- Step-by-Step: break 2-digit multiplication into 3 steps and learn how it works
- Times-Table Ladder: unlock stage by stage and collect stars
- Weak-Spot AI: analyzes your mistakes and targets what you struggle with
■ Gamification that keeps you coming back
- Earn XP and rank up from "Rookie" all the way to "Mental Math King"
- Daily streaks, combos, and a badge collection
- Daily Challenge: the same 10 questions for everyone, every day
- Game Center leaderboards (daily / all-time / time attack / weekly league)
■ Modes for every mood
Practice / Step-by-Step / Daily Challenge / Time Attack / Survival / Review / Weak-Spot AI
■ See your growth
Accuracy and speed trend charts, per-topic stats, and a parent report. Progress you can see keeps motivation high.
■ Mental Math Kingdom Pro (one-time purchase — buy once, use forever)
Unlocks Survival, Weak-Spot Review, unlimited Time Attack, detailed stat charts, and all themes. It is not a subscription.
For ages 6 to adult — kids, students, and grown-ups keeping their minds sharp.