# Memosaurus vs MEMOrizer app

The clearest difference is ads: Memosaurus at none against MEMOrizer app's shown. MEMOrizer app's advantage is update cadence (daily vs every 13 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Memosaurus sells 1 one-off in-app purchase and MEMOrizer app sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Memosaurus ships an update every 13 months, MEMOrizer app daily. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Memosaurus | MEMOrizer app |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Daily** |
| Size | 8 MB | 12 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Jan Huber](https://appshunter.io/developer/1653723275) | [Yu Takahashi](https://appshunter.io/developer/1856470521) |

## What reviewers say

### Memosaurus

[App page](https://appshunter.io/ios/app/memosaurus/id1672915883)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $5.99 | one-time |


### MEMOrizer app

[App page](https://appshunter.io/ios/app/memorizer-app/id6755808897)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| メモライザ PRO | $3.99 | one-time |


## Frequently asked questions

### Is Memosaurus free?

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

### Is MEMOrizer app free?

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

### Do Memosaurus or MEMOrizer app have ads?

MEMOrizer app shows ads; Memosaurus does not.

### Which is updated more often, Memosaurus or MEMOrizer app?

Memosaurus ships an update every 13 months, and MEMOrizer app daily. Most recently, Memosaurus was updated on October 17, 2026 and MEMOrizer app on October 9, 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.*