# Subtraction Mathematics vs Subtractor

The clearest difference is in-app purchases: Subtractor at none against Subtraction Mathematics's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Subtraction Mathematics sells 1 one-off in-app purchase. Subtractor asks for nothing beyond the download.

Subtraction Mathematics ships an update fortnightly, Subtractor every 8 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Subtraction Mathematics | Subtractor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (27 ratings)](https://appshunter.io/ios/app/subtraction-mathematics/id1660955330/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 172 MB | 0 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PROGRAMIS PRIME LLC](https://appshunter.io/developer/1051843545) | [David Kelen](https://appshunter.io/developer/1796712157) |

## What reviewers say

### Subtraction Mathematics

[App page](https://appshunter.io/ios/app/subtraction-mathematics/id1660955330)

This math app teaches children multi-digit subtraction with step-by-step guidance and positive reinforcement. It adapts to the student's learning pace, offering practice for beginners and review for older students. Features include AI handwriting recognition and progress monitoring for parents and teachers.

**Highlights:** Multi-digit subtraction with borrowing, Step-by-step instructions, AI handwriting recognition, Progress monitoring with color-coded feedback, Customizable digit combinations, Encouragement-based learning

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get All Features | $3.99 | one-time |


### Subtractor

[App page](https://appshunter.io/ios/app/subtractor-by-mather/id6742201502)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subtraction Mathematics free?

Subtraction Mathematics is free to download, with in-app purchases available.

### Is Subtractor free?

Subtractor is free to download, with no in-app purchases.

### Do Subtraction Mathematics or Subtractor have ads?

Neither Subtraction Mathematics nor Subtractor shows ads.

### Which is updated more often, Subtraction Mathematics or Subtractor?

Subtraction Mathematics ships an update fortnightly, and Subtractor every 8 days. Most recently, Subtraction Mathematics was updated on October 24, 2026 and Subtractor on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*