# Subtraction Skill Builders — Powered by handwriting input

> Powered by handwriting input (iPhone/iPad app by Sergey Malugin.)

- Source: https://appshunter.io/ios/app/subtraction-skill-builders/id1271517241 (this page in markdown: same URL + `.md`)
- Developer: [Sergey Malugin](https://appshunter.io/developer/562782409)
- Category: Education, Games
- Price: $2.99
- Age rating: 4+
- Requires: iOS 12.0 · 18 MB
- Languages: American English, German (Germany), Russian
- Released: 2017-09-16
- Data updated: 2026-08-14
- User reviews in markdown: https://appshunter.io/ios/app/subtraction-skill-builders/id1271517241/reviews.md

## What is Subtraction Skill Builders?

Elevate your subtraction practice with Subtraction Skill Builders! Experience natural handwriting input and choose between:

Math Trainer – a whiteboard to write answers at your own pace
5 fun, engaging Math mini games with adaptive difficulty

With Subtraction Skill Builders you can practice and improve the following math skills:
- Subtracting 1
- Subtracting 2
- Subtracting 3
- Subtracting 4
- Subtracting 5
- Subtracting 6
- Subtracting 7
- Subtracting 8
- Subtracting 9
- Subtracting 10


## Version history (last 4 releases)

### 5.0.0 — 2025-02-23

Updated to iOS SDK 18.2 and AIR SDK 51.1

### 2.0.2 — 2020-06-24

Bugfixes.

### 2.0.1 — 2020-01-04

New mini-games and new design.

### 1.0 — 2017-09-16

No release notes.

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## More apps by Sergey Malugin

- [Addieren bis 10](https://appshunter.io/ios/app/addieren-bis-10/id562782346)
- [Adding up to 10](https://appshunter.io/ios/app/adding-up-to-10/id573010678)
- [Math up to 10 in German](https://appshunter.io/ios/app/math-up-to-10-in-german/id576823054)
- [Subtract and add up to 10](https://appshunter.io/ios/app/subtract-and-add-up-to-10/id577848734)
- [Вычитание и сложение до 10](https://appshunter.io/ios/app/10/id577942601)
- [Сложение до 10](https://appshunter.io/ios/app/10/id578054035)

All apps by Sergey Malugin: https://appshunter.io/developer/562782409

## Related topics

[subtraction skill builders](https://appshunter.io/ios/topics/subtraction-skill-builders)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-14.*