# Readune vs 墨間

The clearest difference is update cadence: 墨間 at every 4 days against Readune's every 8 days. 墨間 also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Readune sells 3 in-app purchases, starting at $1.99 per month and 墨間 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Readune ships an update every 8 days, 墨間 every 4 days. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Readune | 墨間 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Size | 50 MB | 62 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [毓鑫 戴](https://appshunter.io/developer/1498577196) | [Kong NG](https://appshunter.io/developer/6806903600) |

## What reviewers say

### Readune

[App page](https://appshunter.io/ios/app/readune-epub-and-pdf-reader/id6806875284)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Readune Plus — Monthly | $1.99 | per month |
| Readune Plus — Yearly | $12.99 | per year |
| Readune Plus — Lifetime | $19.99 | one-time |


### 墨間

[App page](https://appshunter.io/ios/app/id6806903598)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 墨間進階版 | $4.99 | one-time |


## Frequently asked questions

### Is Readune free?

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

### Is 墨間 free?

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

### Do Readune or 墨間 have ads?

Neither Readune nor 墨間 shows ads.

### Which is updated more often, Readune or 墨間?

Readune ships an update every 8 days, and 墨間 every 4 days. Most recently, Readune was updated on October 28, 2026 and 墨間 on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*