# Shift Calendar vs 宠物训练专家

The clearest difference is price: Shift Calendar at Free against 宠物训练专家's $0.29. Shift Calendar also leads on iOS requirement (15.0 vs 17.6). 宠物训练专家's advantage is in-app purchases (none vs 4). On update cadence, ads and device support there is nothing between them.

Shift Calendar is free to download; 宠物训练专家 costs $0.29 up front. Shift Calendar sells 4 one-off in-app purchases. 宠物训练专家 asks for nothing beyond the download.

Shift Calendar ships an update every 2 months, 宠物训练专家 every 6 weeks. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Shift Calendar | 宠物训练专家 |
| --- | --- | --- |
| Price | **Free** | $0.29 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 38 MB | 31 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Shanghai Fengcong Technology Co., Ltd.](https://appshunter.io/developer/1640023165) | [道杰 林](https://appshunter.io/developer/1487357367) |

## 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 |


### 宠物训练专家

[App page](https://appshunter.io/ios/app/id6759934100)

**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 宠物训练专家 free?

宠物训练专家 costs $0.29, with no in-app purchases.

### Do Shift Calendar or 宠物训练专家 have ads?

Neither Shift Calendar nor 宠物训练专家 shows ads.

### Which is updated more often, Shift Calendar or 宠物训练专家?

Shift Calendar ships an update every 2 months, and 宠物训练专家 every 6 weeks. Most recently, Shift Calendar was updated on October 24, 2026 and 宠物训练专家 on October 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.*