# AI Private Notes vs Lumenus Vault

The clearest difference is iOS requirement: Lumenus Vault at 16.6 against AI Private Notes's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | AI Private Notes | Lumenus Vault |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 months |
| Size | 56 MB | 32 MB |
| Requires iOS | 26.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Preston Lau](https://appshunter.io/developer/1857923314) | [萍 公](https://appshunter.io/developer/1854281135) |

## What reviewers say

### AI Private Notes

[App page](https://appshunter.io/ios/app/ai-private-notes/id6756007414)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lumenus Vault

[App page](https://appshunter.io/ios/app/lumenus-vault/id6756407795)

**In-app purchases:** none


## Frequently asked questions

### Is AI Private Notes free?

AI Private Notes is free to download, with no in-app purchases.

### Is Lumenus Vault free?

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

### Do AI Private Notes or Lumenus Vault have ads?

Neither AI Private Notes nor Lumenus Vault 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.*