# Subtraction School ! !

> Educational app for learning and practicing subtraction with guided steps. (iPhone/iPad app by Horizon Business, Inc..)

- Source: https://appshunter.io/ios/app/subtraction-school/id447548515 (this page in markdown: same URL + `.md`)
- Developer: [Horizon Business, Inc.](https://appshunter.io/developer/431586531)
- Category: Education, Games
- Price: $4.99
- Rating: 5.00/5 from 2 App Store ratings · 6 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 13 MB
- Languages: English
- Released: 2011-09-03
- Data updated: 2026-06-05
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/subtraction-school/id447548515/reviews.md

## What is Subtraction School ! !?

Subtraction School ! ! is a great way to learn and practice subtraction.  From simple 1-digit problems to more advanced multi-digit problems, Subtraction School ! ! will provide the user the necessary guidance and practice to master subtraction.

Features of this version:
  1)  1 to 6 digits
  2)  Random or custom user entered problems
  3)  Tutorial animation speed setting
  4)  "Play Tutorial" button to show the step by
      step solution for each problem
  5)  "Hint" button for instructional guidance on
      current step
  6)  "Help" button for automatic completion of  
      current step

If you like this app, please consider giving it a rating.  Your support will help keep the updates coming!  Thank you for your support!

## Key features

- 1 to 6 digit problems
- Random or custom problems
- Tutorial animation speed
- Step-by-step solution guide
- Hint button for guidance
- Help button for step completion

## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/subtraction-school/id447548515/reviews.md

### 1/5 — Terrible

*2014-02-27, version 1.4*

There is no reason to get this product unless you maybe want to so four digit subtraction problems. You have to push the new button for each new problem. If you want to do 14-7 level of math you can't as you can only choose to do two digit like 24-16 or one digit like 7-4.

### 3/5 — Simple and effective

*2013-11-02, version 1.4*

This is a simple app that is exactly what I wanted. Practice practice practice. I have a lot of apps that are games but my son needs the format he is used to doing in school as well. 

I took two stars off - one for the price because it's too high for the features, and the 2nd star because the features don't work. One listed feature is the ability to add users. As one other person said several weeks ago - you can't. It locks up the entire app. Annoying.

### 4/5 — iOS 7 bug

*2013-10-22, version 1.4*

Can't add user in iOS 7.  Please fix.

### 4/5 — Excellent

*2012-12-20, version 1.4*

These guys make great learning apps.  Really helped support my children's learning.  Thanks!

### 3/5 — OK for Rote Practice; Not Worth $2.99

*2012-10-16, version 1.3*

This app is basically identical to this publisher's other app titled "Addition !"  Both apps are ok if the goal is to have a student practice the addition and subtraction algorithms repeatedly in a rote fashion (a practice that does have its place), but it doesn't seem worthwhile to speind $2.99 per app on these when similar tools are available for free as Java and Flash applications on the internet.  There are no conceptual supports here other than algorithmic steps that the app provides if the "help" or "hint" buttons are pressed.   The app could be improved if an option were added to show how a model such as base ten blocks coincides with the numerical manipulations for a given subtraction problem.  Such a change would provide a conceptual support for the algorithm, and also make this app "feel" more like an application that takes advantage of the affordances of technology.  Again, as the app currently stands, it doesn't feel much different than the worksheets I used to plow my way through as an elementary student in the '80s.

### 5/5 — great

*2012-10-08, version 1.3*

My son uses it to speed up his 3 number subtraction with borrowing it's great that it shows the borrowing and makes it very clear especially when his handwriting makes it confusing

## Frequently asked questions about Subtraction School ! !

### What age is Subtraction School appropriate for?

Subtraction School is rated for ages 4 and up, making it suitable for young learners.

### How many digits can Subtraction School handle?

Subtraction School supports problems ranging from 1 to 6 digits, offering a comprehensive learning experience.

### Can I customize the problems in Subtraction School?

Yes, you can choose between randomly generated problems or enter your own custom problems for practice.

### Does Subtraction School offer help for difficult problems?

Yes, Subtraction School includes a 'Hint' button for instructional guidance on the current step and a 'Help' button for automatic step completion.

### How often is Subtraction School updated?

The app was last updated on May 8, 2025, indicating ongoing support and potential for future improvements.

### What devices is Subtraction School available on?

Subtraction School is available on iPhone, iPad, and iPod devices.

### Does Subtraction School have ads?

Yes, Subtraction School contains advertisements.

### What is the price of Subtraction School?

Subtraction School is available for a one-time purchase of $4.99.

## Version history (last 5 releases)

### 2.5 — 2026-05-06

Compatibility with iOS 26

### 2.4 — 2025-05-08

Compatibility with iOS 18

### 2.3 — 2024-06-08

Compatibility with iOS 17

### 2.2 — 2023-05-07

Compatibility with iOS 16

### 2.1.1 — 2022-05-01

Compatibility with iOS 15

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## More apps by Horizon Business, Inc.

- [Division School ! !](https://appshunter.io/ios/app/division-school/id447548018)
- [Multiplication School ! !](https://appshunter.io/ios/app/multiplication-school/id447548412)
- [Addition School ! !](https://appshunter.io/ios/app/addition-school/id447548669)
- [Ace Math Flash Cards School](https://appshunter.io/ios/app/ace-math-flash-cards-school/id463193211)
- [Ace Math Flash Cards](https://appshunter.io/ios/app/ace-math-flash-cards/id463193339)

All apps by Horizon Business, Inc.: https://appshunter.io/developer/431586531

## Related topics

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

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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 2026-06-05.*