# Memo vs OTC Memo

The clearest difference is in-app purchases: OTC Memo at none against Memo's 1. Memo's advantage is iOS requirement (13.6 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Memo sells 1 one-off in-app purchase. OTC Memo asks for nothing beyond the download.

Memo ships an update every 10 days, OTC Memo weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Memo | OTC Memo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Size | 245 MB | 41 MB |
| Requires iOS | **13.6** | 16.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Man Hung Sun](https://appshunter.io/developer/1471605573) | [Katsushi Kawamori](https://appshunter.io/developer/1771822715) |

## What reviewers say

### Memo

[App page](https://appshunter.io/ios/app/memo-elder-friendly/id1589638081)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| upgrade | $0.99 | one-time |


### OTC Memo

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Memo free?

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

### Is OTC Memo free?

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

### Do Memo or OTC Memo have ads?

Neither Memo nor OTC Memo shows ads.

### Which is updated more often, Memo or OTC Memo?

Memo ships an update every 10 days, and OTC Memo weekly. Most recently, Memo was updated on October 25, 2026 and OTC Memo on October 25, 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.*