# Minus vs Mental Math Practice

The clearest difference is in-app purchases: Minus at none against Mental Math Practice's 9. Minus also leads on device support (3 vs 1) and iOS requirement (14.3 vs 16.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Mental Math Practice sells 9 in-app purchases, starting at $2.99 per 7 days. Minus asks for nothing beyond the download.

Minus ships an update every 2 weeks, Mental Math Practice every 4 weeks. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Minus | Mental Math Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mental-math-practice-1x1/id1580519521/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 0 MB | 29 MB |
| Requires iOS | **14.3** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michael Hohlfeld](https://appshunter.io/developer/1456349163) | [Florian Schweizer](https://appshunter.io/developer/1142213239) |

## What reviewers say

### Minus

[App page](https://appshunter.io/ios/app/minus-calculator/id1547136719)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mental Math Practice

[App page](https://appshunter.io/ios/app/mental-math-practice-1x1/id1580519521)

Sharpen your mental math skills with quick, focused practice sessions. Covers addition, subtraction, multiplication, and division across various number ranges and difficulty levels. Includes a home screen widget for hourly math drills.

**Highlights:** Addition, subtraction, multiplication, division, Multiple difficulty levels, Customizable number ranges, Distraction-free interface, Home screen widget, Progress tracking

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Weekly) | $2.99 | per 7 days |
| Pro (Yearly) | $19.99 | per year |
| Division Operator | $0.99 | one-time |
| Numbers up to 1000 | $0.99 | one-time |
| Sine Operator | $0.99 | one-time |
| Cosine Operator | $0.99 | one-time |
| Logarithm Operator | $0.99 | one-time |
| Percent Operator | $0.99 | one-time |
| All Operators | $2.99 | one-time |


## Frequently asked questions

### Is Minus free?

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

### Is Mental Math Practice free?

Mental Math Practice is free to download, with in-app purchases available.

### Do Minus or Mental Math Practice have ads?

Neither Minus nor Mental Math Practice shows ads.

### Which is updated more often, Minus or Mental Math Practice?

Minus ships an update every 2 weeks, and Mental Math Practice every 4 weeks. Most recently, Minus was updated on October 4, 2026 and Mental Math Practice on October 24, 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.*