# 忘忧信箱 vs 我约日程

The clearest difference is iOS requirement: 我约日程 at 9.0 against 忘忧信箱's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

忘忧信箱 ships an update monthly, 我约日程 every 3 weeks. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 忘忧信箱 | 我约日程 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 35 MB | 80 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [鹏 张](https://appshunter.io/developer/1276467599) | [Chengdu Anvi Technology Co., Ltd.](https://appshunter.io/developer/612499213) |

## What reviewers say

### 忘忧信箱

[App page](https://appshunter.io/ios/app/id1276467600)

**In-app purchases:** none


### 我约日程

[App page](https://appshunter.io/ios/app/cp/id1457919294)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 忘忧信箱 free?

忘忧信箱 is free to download, with no in-app purchases.

### Is 我约日程 free?

我约日程 is free to download, with no in-app purchases.

### Do 忘忧信箱 or 我约日程 have ads?

Neither 忘忧信箱 nor 我约日程 shows ads.

### Which is updated more often, 忘忧信箱 or 我约日程?

忘忧信箱 ships an update monthly, and 我约日程 every 3 weeks. Most recently, 忘忧信箱 was updated on October 26, 2026 and 我约日程 on November 2, 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.*