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Last updated on: 2026-08-19
Android Apps > Education > Numbio: Mental arithmetic
Numbio: Mental arithmetic icon

Numbio: Mental arithmetic

numbio-1.19
Fabian Taubald
0.00
0 reviews
10+
Downloads
$0.99

Numbio sets easy to difficult tasks to practise mental arithmetic.

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About Numbio: Mental arithmetic

Numbio: Mental arithmetic is an education app developed by Fabian Taubald.

Download Statistics

Numbio: Mental arithmetic has been downloaded 24 times. In the last 30 days, the app was downloaded 0 times. It is ranked #144 in education.

User Ratings

The app has no ratings yet.

App Information

Numbio: Mental arithmetic costs $0.99 to download. The APK download size is 5.71 MB. The latest version available is numbio-1.19. The last update was on August 31, 2025.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play January 2025.

Description
Simply practise mental arithmetic - without advertising and in-app purchases - for less than the price of a cup of coffee. The app is suitable for children, teenagers and adults who want to get faster at mental arithmetic.

We have taken care to make it as easy to use as possible. This means that the app can also be installed on a children's tablet without hesitation.

Setting options:
- Mathematical operators in simple language (plus, minus, times, divided)
- Negative results allowed yes/no
- Number range (1-50)
- Time limit, for example to practise for 5 minutes
- Number of tasks limit, for example to practise exactly 50 tasks

After the training session, the system displays how many tasks were completed, how long it took and the average time per task. It also shows how many tasks were completed in under 3 seconds, between 3 and 6 seconds, between 6 and 9 seconds and over 9 seconds.

The app has been optimized for smartphones and tablets

Numbio supports the system dark mode and several languages

- German,
- English,
- French,
- Dutch
- Spanish and
- Portuguese
- Chinese
- Russian
- Armenian
Show more Show less

More data about Numbio: Mental arithmetic

Price $0.99
Total downloads 24
Recent downloads 0
Rating No ratings
Ranking Medium ranked
Version numbio-1.19
APK size 5.71 MB
Number of libraries ?
Suitable for Everyone
Ads NO ads

App Performance Report

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Numbio: Mental arithmetic compared with similar apps

Common keywords of similar apps

Practise Numbio Easy Limit System Completed Tasks Mental Arithmetic App Seconds Number Time

Keywords missing from this app

Math Game Numbers Training Calculation Speed Games Addition Subtraction Brain Multiplication Mode Letters Improve Word Operations Division Skills Digit Train Play Solve Adults Answer Levels Consists Maths Fun Quick Practice Options Recent Digits Mind Times Solving Modes Fast Tables Master Children Free Day

Downloads over time

Numbio: Mental arithmetic has been downloaded 24 times. Over the past 30 days, it has been downloaded 0 times.

Changelog of Numbio: Mental arithmetic

Show changelog

Developer information for Fabian Taubald

Fabian Taubald

ftaubald@googlemail.com

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Address:

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Google Play Rankings for Numbio: Mental arithmetic

Top rankings

Rank Country Category List
144 Switzerland Education Top Grossing
Show all market rankings

Ranking history in Switzerland

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Technologies used by Numbio: Mental arithmetic

Numbio: Mental arithmetic is requesting 2 permissions and we don't have library information (yet).
Show details
Exatest Arithmetic Speed Drill icon Exatest Arithmetic Speed Drill
Math: mental arithmetic icon Math: mental arithmetic
Mental arithmetic for adults icon Mental arithmetic for adults
Speed Math Mental Quick Games icon Speed Math Mental Quick Games
Mental Math Master icon Mental Math Master
Math Tricks: Mental Math icon Math Tricks: Mental Math
Mental arithmetic icon Mental arithmetic
Countdown Numbers & Letters icon Countdown Numbers & Letters

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