# 青洲水泥 vs Shift Calendar

The clearest difference is in-app purchases: 青洲水泥 at none against Shift Calendar's 4. Shift Calendar's advantage is update cadence (every 2 months vs every 21 months) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Shift Calendar sells 4 one-off in-app purchases. 青洲水泥 asks for nothing beyond the download.

青洲水泥 ships an update every 21 months, Shift Calendar every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 青洲水泥 | Shift Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 2 months** |
| Size | 14 MB | 38 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Henan Sichuan Software Technology Co., Ltd.](https://appshunter.io/developer/1231245713) | [Shanghai Fengcong Technology Co., Ltd.](https://appshunter.io/developer/1640023165) |

## What reviewers say

### 青洲水泥

[App page](https://appshunter.io/ios/app/id1338459164)

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

**In-app purchases:** none


### Shift Calendar

[App page](https://appshunter.io/ios/app/shift-calendar-work-schedule/id1640023163)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium VIP 1 Month | $0.99 | one-time |
| Premium VIP 3 Month | $2.99 | one-time |
| Premium VIP 12 Month | $5.99 | one-time |
| Premium VIP Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is 青洲水泥 free?

青洲水泥 is free to download, with no in-app purchases.

### Is Shift Calendar free?

Shift Calendar is free to download, with in-app purchases available.

### Do 青洲水泥 or Shift Calendar have ads?

Neither 青洲水泥 nor Shift Calendar shows ads.

### Which is updated more often, 青洲水泥 or Shift Calendar?

青洲水泥 ships an update every 21 months, and Shift Calendar every 2 months. Most recently, 青洲水泥 was updated on November 2, 2026 and Shift Calendar on November 3, 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.*