# Math Master vs Find Difference

The clearest difference is in-app purchases: Math Master at none against Find Difference's 4. Math Master also leads on iOS requirement (8.0 vs 13.0). Find Difference's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 50 months). On price and device support there is nothing between them.

Both are free to download. Find Difference sells 4 one-off in-app purchases. Math Master asks for nothing beyond the download.

Math Master ships an update every 50 months, Find Difference every 2 weeks. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Math Master | Find Difference |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 50 months | **Every 2 weeks** |
| Size | 57 MB | 241 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [达宁 陈](https://appshunter.io/developer/1136589565) | [Jang PilJae](https://appshunter.io/developer/706956910) |

## What reviewers say

### Math Master

[App page](https://appshunter.io/ios/app/math-master-brain-storm/id1213323364)

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

**In-app purchases:** none


### Find Difference

[App page](https://appshunter.io/ios/app/find-difference-brain-training/id6502481375)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100K Coins | $0.99 | one-time |
| 1M Coin | $5.99 | one-time |
| 5M Coin | $19.99 | one-time |
| 10M Coin | $29.99 | one-time |


## Frequently asked questions

### Is Math Master free?

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

### Is Find Difference free?

Find Difference is free to download, with in-app purchases available.

### Do Math Master or Find Difference have ads?

Math Master shows ads; Find Difference does not.

### Which is updated more often, Math Master or Find Difference?

Math Master ships an update every 50 months, and Find Difference every 2 weeks. Most recently, Math Master was updated on October 15, 2026 and Find Difference on October 7, 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.*