# Invisible Notes vs OnVault

The clearest difference is in-app purchases: Invisible Notes at none against OnVault's 3. Invisible Notes also leads on iOS requirement (9.0 vs 15.5). OnVault's advantage is update cadence (fortnightly vs every 94 months). On price, ads and device support there is nothing between them.

Both are free to download. OnVault sells 3 in-app purchases, starting at $3.99 per month. Invisible Notes asks for nothing beyond the download.

Invisible Notes ships an update every 94 months, OnVault fortnightly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Invisible Notes | OnVault |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 94 months | **Fortnightly** |
| Size | 1 MB | 68 MB |
| Requires iOS | **9.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mohannad Daghistany](https://appshunter.io/developer/846765571) | [AKIFUMI YOSHIMURA](https://appshunter.io/developer/1819749795) |

## What reviewers say

### Invisible Notes

[App page](https://appshunter.io/ios/app/invisible-notes/id916482961)

**Features:** macOS Compatibility

**In-app purchases:** none


### OnVault

[App page](https://appshunter.io/ios/app/onvault-document-vault/id6759666838)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $36.99 | per year |
| Lifetime License | $79.99 | one-time |


## Frequently asked questions

### Is Invisible Notes free?

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

### Is OnVault free?

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

### Do Invisible Notes or OnVault have ads?

Neither Invisible Notes nor OnVault shows ads.

### Which is updated more often, Invisible Notes or OnVault?

Invisible Notes ships an update every 94 months, and OnVault fortnightly. Most recently, Invisible Notes was updated on November 1, 2026 and OnVault on October 31, 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.*