# Shift Calendar vs 塔牌水泥

The clearest difference is in-app purchases: 塔牌水泥 at none against Shift Calendar's 4. Shift Calendar's advantage is update cadence (every 2 months vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Shift Calendar ships an update every 2 months, 塔牌水泥 every 6 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Shift Calendar | 塔牌水泥 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 38 MB | 20 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Fengcong Technology Co., Ltd.](https://appshunter.io/developer/1640023165) | [中材邦业(杭州)智能科技有限公司](https://appshunter.io/developer/1548078080) |

## What reviewers say

### 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 |


### 塔牌水泥

[App page](https://appshunter.io/ios/app/id6451779087)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shift Calendar free?

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

### Is 塔牌水泥 free?

塔牌水泥 is free to download, with no in-app purchases.

### Do Shift Calendar or 塔牌水泥 have ads?

Neither Shift Calendar nor 塔牌水泥 shows ads.

### Which is updated more often, Shift Calendar or 塔牌水泥?

Shift Calendar ships an update every 2 months, and 塔牌水泥 every 6 months. Most recently, Shift Calendar was updated on November 3, 2026 and 塔牌水泥 on October 27, 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.*