# OTC Memo vs Simple Hidden Note

The clearest difference is update cadence: Simple Hidden Note at daily against OTC Memo's weekly. 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.

OTC Memo ships an update weekly, Simple Hidden Note daily. The most recent releases landed on September 13, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | OTC Memo | Simple Hidden Note |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Size | 41 MB | 35 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Katsushi Kawamori](https://appshunter.io/developer/1771822715) | [Next Level Order Engineering UG (haftungsbeschrankt)](https://appshunter.io/developer/1838301382) |

## What reviewers say

### OTC Memo

[App page](https://appshunter.io/ios/app/otc-memo/id6751605864)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Hidden Note

[App page](https://appshunter.io/ios/app/simple-hidden-note/id6760840827)

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

**In-app purchases:** none


## Frequently asked questions

### Is OTC Memo free?

OTC Memo is free to download, with no in-app purchases.

### Is Simple Hidden Note free?

Simple Hidden Note is free to download, with no in-app purchases.

### Do OTC Memo or Simple Hidden Note have ads?

Neither OTC Memo nor Simple Hidden Note shows ads.

### Which is updated more often, OTC Memo or Simple Hidden Note?

OTC Memo ships an update weekly, and Simple Hidden Note daily. Most recently, OTC Memo was updated on September 13, 2026 and Simple Hidden Note on September 17, 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.*