# InkShelf vs Raikiri Viewer

The clearest difference is update cadence: Raikiri Viewer at every 2 days against InkShelf's monthly. InkShelf's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. InkShelf sells 2 in-app purchases, starting at $4.99 per month and Raikiri Viewer sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

InkShelf ships an update monthly, Raikiri Viewer every 2 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | InkShelf | Raikiri Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Size | 38 MB | 11 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Yoshinn CO., LTD.](https://appshunter.io/developer/1856072122) | [wataru takahashi](https://appshunter.io/developer/1896618750) |

## What reviewers say

### InkShelf

[App page](https://appshunter.io/ios/app/inkshelf/id6755747348)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Inkshelf Pro Monthly | $4.99 | per month |
| Inkshelf Pro Yearly | $49.99 | per year |


### Raikiri Viewer

[App page](https://appshunter.io/ios/app/raikiri-viewer/id6795181030)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $17.99 | per year |


## Frequently asked questions

### Is InkShelf free?

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

### Is Raikiri Viewer free?

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

### Do InkShelf or Raikiri Viewer have ads?

Neither InkShelf nor Raikiri Viewer shows ads.

### Which is updated more often, InkShelf or Raikiri Viewer?

InkShelf ships an update monthly, and Raikiri Viewer every 2 days. Most recently, InkShelf was updated on October 25, 2026 and Raikiri Viewer 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.*