# Subtraction Math Master vs Mental Math

The clearest difference is in-app purchases: Mental Math at none against Subtraction Math Master's 1. Mental Math also leads on update cadence (every 6 weeks vs every 18 months). Subtraction Math Master's advantage is ads (none vs shown) and iOS requirement (8.0 vs 15.0). On price and device support there is nothing between them.

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

Subtraction Math Master ships an update every 18 months, Mental Math every 6 weeks. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Subtraction Math Master | Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 132 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peter Li](https://appshunter.io/developer/424298074) | [JEU TECHNOLOGY (PRIVATE) LIMITED](https://appshunter.io/developer/1546624577) |

## What reviewers say

### Subtraction Math Master

[App page](https://appshunter.io/ios/app/subtraction-math-master/id672670414)

Enhance your mental math skills with this game focused on 2-digit subtraction. It offers modes for quick challenges and unlimited practice, helping you reduce calculator reliance and boost cognitive function.

**Highlights:** Improve 2-digit mental subtraction, Timed challenges and unlimited practice modes, Track scores and statistics, Game Center Leaderboards & Achievements, Share scores with friends and family, Stylish and intuitive interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WORK MODE | $0.99 | one-time |


### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-brain-puzzle/id6480279455)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subtraction Math Master free?

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

### Is Mental Math free?

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

### Do Subtraction Math Master or Mental Math have ads?

Mental Math shows ads; Subtraction Math Master does not.

### Which is updated more often, Subtraction Math Master or Mental Math?

Subtraction Math Master ships an update every 18 months, and Mental Math every 6 weeks. Most recently, Subtraction Math Master was updated on September 29, 2026 and Mental Math on October 2, 2026.

---

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