# memory.wiki Clipper vs AI Sentinel

The clearest difference is in-app purchases: memory.wiki Clipper at none against AI Sentinel's 2. memory.wiki Clipper also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. AI Sentinel sells 2 in-app purchases, starting at $2.99 per month. memory.wiki Clipper asks for nothing beyond the download.

## The numbers

| Metric | memory.wiki Clipper | AI Sentinel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 2 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hyunsang Cho](https://appshunter.io/developer/1844111032) | [鑫 王](https://appshunter.io/developer/6785985723) |

## What reviewers say

### memory.wiki Clipper

[App page](https://appshunter.io/ios/app/memorywiki-clipper/id6779730321)

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

**In-app purchases:** none


### AI Sentinel

[App page](https://appshunter.io/ios/app/ai-sentinel-frontier/id6786108973)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Sentinel Pro Monthly | $2.99 | per month |
| AI Sentinel Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is memory.wiki Clipper free?

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

### Is AI Sentinel free?

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

### Do memory.wiki Clipper or AI Sentinel have ads?

Neither memory.wiki Clipper nor AI Sentinel shows ads.

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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.*