# Minus vs Plus Minus Math SD

The clearest difference is price: Plus Minus Math SD at Free against Minus's $1.99. Plus Minus Math SD also leads on iOS requirement (12.0 vs 15.6). Minus's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

Plus Minus Math SD is free to download; Minus costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Minus ships an update every 34 months, Plus Minus Math SD every 18 months. The most recent releases landed on September 15, 2026 and March 4, 2026 respectively.

## The numbers

| Metric | Minus | Plus Minus Math SD |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 34 months | **Every 18 months** |
| Size | 20 MB | 24 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anders Peter Amsnaes](https://appshunter.io/developer/452949522) | [Andela ICT](https://appshunter.io/developer/342734534) |

## What reviewers say

### Minus

[App page](https://appshunter.io/ios/app/minus-level-2/id928963039)

**Features:** macOS Compatibility

**In-app purchases:** none


### Plus Minus Math SD

[App page](https://appshunter.io/ios/app/plus-minus-math-sd/id1031009964)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Minus free?

Minus costs $1.99, with no in-app purchases.

### Is Plus Minus Math SD free?

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

### Do Minus or Plus Minus Math SD have ads?

Plus Minus Math SD shows ads; Minus does not.

### Which is updated more often, Minus or Plus Minus Math SD?

Minus ships an update every 34 months, and Plus Minus Math SD every 18 months. Most recently, Minus was updated on September 15, 2026 and Plus Minus Math SD on March 4, 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.*