# 有期｜重要日子提醒 vs 码达

The clearest difference is in-app purchases: 码达 at none against 有期｜重要日子提醒's 3. 有期｜重要日子提醒's advantage is update cadence (weekly vs every 3 months) and iOS requirement (16.4 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. 有期｜重要日子提醒 sells 3 in-app purchases, starting at $0.99 per month. 码达 asks for nothing beyond the download.

有期｜重要日子提醒 ships an update weekly, 码达 every 3 months. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 有期｜重要日子提醒 | 码达 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 150 MB | 5 MB |
| Requires iOS | **16.4** | 26.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [shuxiang liu](https://appshunter.io/developer/1731945819) | [宇寒 乔](https://appshunter.io/developer/1877015382) |

## What reviewers say

### 有期｜重要日子提醒

[App page](https://appshunter.io/ios/app/id6779462523)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 有期 Plus 月付 | $0.99 | per month |
| 有期 Plus 年付 | $4.99 | per year |
| 有期终身会员 | $6.99 | one-time |


### 码达

[App page](https://appshunter.io/ios/app/id6787702467)

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

**In-app purchases:** none


## Frequently asked questions

### Is 有期｜重要日子提醒 free?

有期｜重要日子提醒 is free to download, with in-app purchases available.

### Is 码达 free?

码达 is free to download, with no in-app purchases.

### Do 有期｜重要日子提醒 or 码达 have ads?

Neither 有期｜重要日子提醒 nor 码达 shows ads.

### Which is updated more often, 有期｜重要日子提醒 or 码达?

有期｜重要日子提醒 ships an update weekly, and 码达 every 3 months. Most recently, 有期｜重要日子提醒 was updated on October 28, 2026 and 码达 on October 31, 2026.

---

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