# Zen Writing Practice vs Sumi 墨息

The clearest difference is in-app purchases: Zen Writing Practice at none against Sumi 墨息's 1. Sumi 墨息's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Sumi 墨息 sells 1 one-off in-app purchase. Zen Writing Practice asks for nothing beyond the download.

## The numbers

| Metric | Zen Writing Practice | Sumi 墨息 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | — |
| Size | 138 MB | 11 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aoi Sugizaki](https://appshunter.io/developer/1589241457) | [Dreamerbring Solutions Limited](https://appshunter.io/developer/1576117197) |

## What reviewers say

### Zen Writing Practice

[App page](https://appshunter.io/ios/app/zen-writing-practice/id6755448193)

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

**In-app purchases:** none


### Sumi 墨息

[App page](https://appshunter.io/ios/app/sumi/id6779698769)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sumi Premium | $4.99 | one-time |


## Frequently asked questions

### Is Zen Writing Practice free?

Zen Writing Practice is free to download, with no in-app purchases.

### Is Sumi 墨息 free?

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

### Do Zen Writing Practice or Sumi 墨息 have ads?

Zen Writing Practice shows ads; Sumi 墨息 does not.

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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.*