# MemoryMonster vs MemoryPlanet

The clearest difference is in-app purchases: MemoryPlanet at none against MemoryMonster's 2. MemoryPlanet also leads on update cadence (every 2 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MemoryMonster sells 2 in-app purchases, starting at $2.99 per month. MemoryPlanet asks for nothing beyond the download.

MemoryMonster ships an update every 4 months, MemoryPlanet every 2 days. The most recent releases landed on September 29, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | MemoryMonster | MemoryPlanet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Size | 29 MB | 24 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [伟强 钱](https://appshunter.io/developer/1834938447) | [业顷 蓝](https://appshunter.io/developer/6773348134) |

## What reviewers say

### MemoryMonster

[App page](https://appshunter.io/ios/app/memorymonster/id6757104976)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP月度会员 | $2.99 | per month |
| VIP年度会员 | $24.99 | per year |


### MemoryPlanet

[App page](https://appshunter.io/ios/app/memoryplanet-flashcards/id6773370158)

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

**In-app purchases:** none


## Frequently asked questions

### Is MemoryMonster free?

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

### Is MemoryPlanet free?

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

### Do MemoryMonster or MemoryPlanet have ads?

Neither MemoryMonster nor MemoryPlanet shows ads.

### Which is updated more often, MemoryMonster or MemoryPlanet?

MemoryMonster ships an update every 4 months, and MemoryPlanet every 2 days. Most recently, MemoryMonster was updated on September 29, 2026 and MemoryPlanet on September 22, 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.*