# 好运日历 vs Slow Ink Clock

The clearest difference is iOS requirement: 好运日历 at 13.0 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. 好运日历 sells 3 one-off in-app purchases and Slow Ink Clock sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

好运日历 ships an update weekly, Slow Ink Clock every 9 days. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 好运日历 | Slow Ink Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Size | 16 MB | 376 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [东明 姚](https://appshunter.io/developer/795485564) | [Andrew Li](https://appshunter.io/developer/1886938485) |

## What reviewers say

### 好运日历

[App page](https://appshunter.io/ios/app/id795485561)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 好运日历会员1日体验 | $0.99 | one-time |
| 好运日历月度会员 | $14.99 | one-time |
| 好运日历会员 | $39.99 | one-time |


### 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 |


## Frequently asked questions

### Is 好运日历 free?

好运日历 is free to download, with in-app purchases available.

### Is Slow Ink Clock free?

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

### Do 好运日历 or Slow Ink Clock have ads?

Neither 好运日历 nor Slow Ink Clock shows ads.

### Which is updated more often, 好运日历 or Slow Ink Clock?

好运日历 ships an update weekly, and Slow Ink Clock every 9 days. Most recently, 好运日历 was updated on November 11, 2026 and Slow Ink Clock on November 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.*