9-Box is made and published by Okko Meijer. AppBrain is an independent app data site and isn't affiliated with Okko Meijer. The app name, icon, screenshots and description belong to Okko Meijer and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- May 5, 2026
- Size
- 26.1 MB
User feedback
Ratings and reviews on the App StoreComments on 9-Box for iOS
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Store listing
By Okko Meijer, from the App Store
Screenshots by Okko Meijer, from the the App Store listing
Description by Okko Meijer Written by the developer, not by AppBrain. Click to read.
Math boring? Give this five minutes.
9-Box trains times tables from 1 to 9. Kids get it immediately. Adults discover they're rustier than they thought.
The grid has 9 blocks, 9 squares each, 81 problems total. Each block has a big background number. Each square has its own number. Multiply them, type the answer. Simple to understand, embarrassing to mess up under pressure.
Five modes
Plus+ shows you which square to solve next, a nudge for beginners. Pro removes all help: just you and 81 problems.
Speed Run ends the moment you make one mistake. Your best time and your best attempt are saved separately, which creates a different kind of pressure than a simple high score.
Table Select lets you pick one table or a few, useful when you know exactly where you're losing time.
Mixed Sprint is 30 random problems from all tables. Done in a few minutes.
Progress
Each mode saves your best time, your previous time, and total games played.
9-Box trains times tables from 1 to 9. Kids get it immediately. Adults discover they're rustier than they thought.
The grid has 9 blocks, 9 squares each, 81 problems total. Each block has a big background number. Each square has its own number. Multiply them, type the answer. Simple to understand, embarrassing to mess up under pressure.
Five modes
Plus+ shows you which square to solve next, a nudge for beginners. Pro removes all help: just you and 81 problems.
Speed Run ends the moment you make one mistake. Your best time and your best attempt are saved separately, which creates a different kind of pressure than a simple high score.
Table Select lets you pick one table or a few, useful when you know exactly where you're losing time.
Mixed Sprint is 30 random problems from all tables. Done in a few minutes.
Progress
Each mode saves your best time, your previous time, and total games played.
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 26.1 MB
- Content rating
- Everyone
Technologies used by 9-Box
Releases
Updates seen on the App Store- Version
- 1.1.6
- Launched
- April 2026
No changelog data
Alternatives
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Rankings
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About the app and developer
About 9-Box
9-Box is an education app developed by Okko Meijer.
User Ratings
The app has no ratings yet.
App Information
9-Box is freely available from the App Store. The app size is 26.12 MB. The latest version available is 1.1.6. The last update was on May 5, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since April 2026.
Developer information for Okko Meijer
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