# Plus Minus Math SD vs Math Dare. A calc game

The clearest difference is in-app purchases: Plus Minus Math SD at none against Math Dare. A calc game's 1. Math Dare. A calc game's advantage is ads (none vs shown) and update cadence (every 3 days vs every 18 months). On price and device support there is nothing between them.

Both are free to download. Math Dare. A calc game sells 1 one-off in-app purchase. Plus Minus Math SD asks for nothing beyond the download.

Plus Minus Math SD ships an update every 18 months, Math Dare. A calc game every 3 days. The most recent releases landed on March 4, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Plus Minus Math SD | Math Dare. A calc game |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Every 3 days** |
| Size | 24 MB | 57 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andela ICT](https://appshunter.io/developer/342734534) | [SPL SISTEMAS DE INFORMACION, SL](https://appshunter.io/developer/482938841) |

## What reviewers say

### Plus Minus Math SD

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Dare. A calc game

[App page](https://appshunter.io/ios/app/math-dare-a-calc-game/id1383416478)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


## Frequently asked questions

### Is Plus Minus Math SD free?

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

### Is Math Dare. A calc game free?

Math Dare. A calc game is free to download, with in-app purchases available.

### Do Plus Minus Math SD or Math Dare. A calc game have ads?

Plus Minus Math SD shows ads; Math Dare. A calc game does not.

### Which is updated more often, Plus Minus Math SD or Math Dare. A calc game?

Plus Minus Math SD ships an update every 18 months, and Math Dare. A calc game every 3 days. Most recently, Plus Minus Math SD was updated on March 4, 2026 and Math Dare. A calc game on September 16, 2026.

---

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