# Addition Math Master vs Memo Flip

The clearest difference is in-app purchases: Memo Flip at none against Addition Math Master's 1. Addition Math Master's advantage is iOS requirement (8.0 vs 12.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Addition Math Master sells 1 one-off in-app purchase. Memo Flip asks for nothing beyond the download.

Addition Math Master ships an update every 35 months, Memo Flip every 18 months. The most recent releases landed on September 4, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Addition Math Master | Memo Flip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 18 months** |
| Size | 4 MB | 47 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peter Li](https://appshunter.io/developer/424298074) | [Quang Duc Vu](https://appshunter.io/developer/1038090500) |

## What reviewers say

### Addition Math Master

[App page](https://appshunter.io/ios/app/addition-math-master/id672669932)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WORK MODE | $0.99 | one-time |


### Memo Flip

[App page](https://appshunter.io/ios/app/memo-flip/id1642294594)

**In-app purchases:** none


## Frequently asked questions

### Is Addition Math Master free?

Addition Math Master is free to download, with in-app purchases available.

### Is Memo Flip free?

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

### Do Addition Math Master or Memo Flip have ads?

Neither Addition Math Master nor Memo Flip shows ads.

### Which is updated more often, Addition Math Master or Memo Flip?

Addition Math Master ships an update every 35 months, and Memo Flip every 18 months. Most recently, Addition Math Master was updated on September 4, 2026 and Memo Flip on May 17, 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.*