# Plus Minus Math SD vs Math Flash Brain Training

The clearest difference is in-app purchases: Plus Minus Math SD at none against Math Flash Brain Training's 1. Math Flash Brain Training's advantage is update cadence (fortnightly vs every 18 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Math Flash Brain Training 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 Flash Brain Training fortnightly. The most recent releases landed on March 4, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Plus Minus Math SD | Math Flash Brain Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (12 ratings)](https://appshunter.io/ios/app/math-flash-brain-training/id1229460445/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 80.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 18 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 27 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andela ICT](https://appshunter.io/developer/342734534) | [Erik Wegener](https://appshunter.io/developer/424482392) |

## 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 Flash Brain Training

[App page](https://appshunter.io/ios/app/math-flash-brain-training/id1229460445)

Engage in a fun and addictive game designed to sharpen your mental math abilities. Choose between a timed true/false equation challenge or a personalized workout mode that adapts to your skill level.

**Highlights:** Timed true/false equation game, Adaptive workout mode, Personalized problem selection, Improves mental math skills, Addictive learning tool

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Flash Premium | $2.99 | 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 Flash Brain Training free?

Math Flash Brain Training is free to download, with in-app purchases available.

### Do Plus Minus Math SD or Math Flash Brain Training have ads?

Both Plus Minus Math SD and Math Flash Brain Training show ads.

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

Plus Minus Math SD ships an update every 18 months, and Math Flash Brain Training fortnightly. Most recently, Plus Minus Math SD was updated on March 4, 2026 and Math Flash Brain Training on September 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.*