# Markdown Viewer vs Nook

Markdown Viewer and Nook are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Markdown Viewer ships an update every 5 days, Nook every 3 days. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Markdown Viewer | Nook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Size | 1 MB | 16 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Yusuke Yamamoto](https://appshunter.io/developer/6793003027) | [KANG SEUNGHYUN](https://appshunter.io/developer/6797773160) |

## What reviewers say

### Markdown Viewer

[App page](https://appshunter.io/ios/app/markdown-viewer-copy-for-ai/id6793003025)

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

**In-app purchases:** none


### Nook

[App page](https://appshunter.io/ios/app/nook-read-write-own/id6797773158)

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

**In-app purchases:** none


## Frequently asked questions

### Is Markdown Viewer free?

Markdown Viewer is free to download, with no in-app purchases.

### Is Nook free?

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

### Do Markdown Viewer or Nook have ads?

Neither Markdown Viewer nor Nook shows ads.

### Which is updated more often, Markdown Viewer or Nook?

Markdown Viewer ships an update every 5 days, and Nook every 3 days. Most recently, Markdown Viewer was updated on October 17, 2026 and Nook on October 10, 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.*