# Memory Master vs Keepthat

The clearest difference is update cadence: Memory Master at every 2 days against Keepthat's fortnightly. Memory Master also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Memory Master sells 1 one-off in-app purchase and Keepthat sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Memory Master ships an update every 2 days, Keepthat fortnightly. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Memory Master | Keepthat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Size | 24 MB | 7 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [鹏 杨](https://appshunter.io/developer/1822675739) | [Valeriia Tsova](https://appshunter.io/developer/1792714702) |

## What reviewers say

### Memory Master

[App page](https://appshunter.io/ios/app/memory-master-memory-booster/id6747817745)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium Features | $2.99 | one-time |


### Keepthat

[App page](https://appshunter.io/ios/app/keepthat-ai-memory-and-recall/id6758964305)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keep That Pro Monthly | $9.99 | per month |
| Keep That Pro Annual | $99.99 | per year |


## Frequently asked questions

### Is Memory Master free?

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

### Is Keepthat free?

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

### Do Memory Master or Keepthat have ads?

Neither Memory Master nor Keepthat shows ads.

### Which is updated more often, Memory Master or Keepthat?

Memory Master ships an update every 2 days, and Keepthat fortnightly. Most recently, Memory Master was updated on October 5, 2026 and Keepthat on September 30, 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.*