# Slow Ink Clock vs 善之樹日課

The clearest difference is iOS requirement: 善之樹日課 at 15.0 against Slow Ink Clock's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Slow Ink Clock sells 4 in-app purchases, starting at $0.99 per month and 善之樹日課 sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Slow Ink Clock ships an update every 9 days, 善之樹日課 weekly. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Slow Ink Clock | 善之樹日課 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 376 MB | 68 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Li](https://appshunter.io/developer/1886938485) | [Zhenhe AI LLC](https://appshunter.io/developer/1867675852) |

## What reviewers say

### Slow Ink Clock

[App page](https://appshunter.io/ios/app/slow-ink-clock/id6772479285)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ink Weather Monthly | $0.99 | per month |
| Ink Weather Yearly | $5.99 | per year |
| Slow Ink Clock Font Pack | $0.99 | one-time |
| Slow Ink Clock Lifetime | $14.99 | one-time |


### 善之樹日課

[App page](https://appshunter.io/ios/app/id6786145266)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 善之樹 Pro 月費 | $4.99 | per month |
| 善之樹 Pro 年費 | $29.99 | per year |
| 善之樹 Pro 終身 | $69.99 | one-time |


## Frequently asked questions

### Is Slow Ink Clock free?

Slow Ink Clock is free to download, with in-app purchases available.

### Is 善之樹日課 free?

善之樹日課 is free to download, with in-app purchases available.

### Do Slow Ink Clock or 善之樹日課 have ads?

Neither Slow Ink Clock nor 善之樹日課 shows ads.

### Which is updated more often, Slow Ink Clock or 善之樹日課?

Slow Ink Clock ships an update every 9 days, and 善之樹日課 weekly. Most recently, Slow Ink Clock was updated on October 17, 2026 and 善之樹日課 on October 24, 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.*