# Chatzoo vs memory.wiki

The clearest difference is in-app purchases: memory.wiki at none against Chatzoo's 7. memory.wiki also leads on update cadence (every 5 days vs every 2 weeks) and iOS requirement (17.0 vs 26.2). On price there is nothing between them.

Both are free to download. Chatzoo sells 7 in-app purchases, starting at $5.99 per 7 days. memory.wiki asks for nothing beyond the download.

Chatzoo ships an update every 2 weeks, memory.wiki every 5 days. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Chatzoo | memory.wiki |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 20 MB | 10 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | — | **iPhone** |
| Age rating | 12+ | 4+ |
| Developer | [Biscotte AI GmbH](https://appshunter.io/developer/1876882807) | [Hyunsang Cho](https://appshunter.io/developer/1844111032) |

## What reviewers say

### Chatzoo

[App page](https://appshunter.io/ios/app/chatzoo-easy-ai-chat/id6759101334)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Computer Light | $24.99 | per month |
| Computer Pro | $39.99 | per month |
| Yearly | $99.00 | per year |
| Small Pack | $5.99 | one-time |
| Medium Pack | $29.99 | one-time |
| Large Pack | $59.99 | one-time |


### memory.wiki

[App page](https://appshunter.io/ios/app/memorywiki/id6774713489)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chatzoo free?

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

### Is memory.wiki free?

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

### Which is updated more often, Chatzoo or memory.wiki?

Chatzoo ships an update every 2 weeks, and memory.wiki every 5 days. Most recently, Chatzoo was updated on October 18, 2026 and memory.wiki on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*