# Simple Memo vs OnVault

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

Both are free to download. Simple Memo sells 1 one-off in-app purchase and OnVault sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Simple Memo ships an update every 2 months, OnVault fortnightly. The most recent releases landed on October 16, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Simple Memo | OnVault |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 4 MB | 68 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sota Yamamoto](https://appshunter.io/developer/1811232130) | [AKIFUMI YOSHIMURA](https://appshunter.io/developer/1819749795) |

## What reviewers say

### Simple Memo

[App page](https://appshunter.io/ios/app/simple-memo-checklist/id6752403531)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.49 | one-time |


### 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 Simple Memo free?

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

### Is OnVault free?

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

### Do Simple Memo or OnVault have ads?

Simple Memo shows ads; OnVault does not.

### Which is updated more often, Simple Memo or OnVault?

Simple Memo ships an update every 2 months, and OnVault fortnightly. Most recently, Simple Memo was updated on October 16, 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.*