# Shared pocket book markdown vs Plain MEMO

The clearest difference is iOS requirement: Plain MEMO at 12.0 against Shared pocket book markdown's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Shared pocket book markdown ships an update every 8 days, Plain MEMO every 6 days. Both last shipped on September 11, 2026.

## The numbers

| Metric | Shared pocket book markdown | Plain MEMO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 6 days** |
| Size | 12 MB | 100 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takashi Nosaka](https://appshunter.io/developer/627947795) | [Hyobeom Han](https://appshunter.io/developer/1739693153) |

## What reviewers say

### Shared pocket book markdown

[App page](https://appshunter.io/ios/app/shared-pocket-book-markdown/id6443658507)

**Features:** macOS Compatibility

**In-app purchases:** none


### Plain MEMO

[App page](https://appshunter.io/ios/app/plain-memo/id6504782512)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Shared pocket book markdown free?

Shared pocket book markdown is free to download, with no in-app purchases.

### Is Plain MEMO free?

Plain MEMO is free to download, with no in-app purchases.

### Do Shared pocket book markdown or Plain MEMO have ads?

Neither Shared pocket book markdown nor Plain MEMO shows ads.

### Which is updated more often, Shared pocket book markdown or Plain MEMO?

Shared pocket book markdown ships an update every 8 days, and Plain MEMO every 6 days. Most recently, Shared pocket book markdown was updated on September 11, 2026 and Plain MEMO on September 11, 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.*