# Служебный календарь vs Shift Calendar

The clearest difference is in-app purchases: Служебный календарь at none against Shift Calendar's 2. Shift Calendar's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Shift Calendar sells 2 in-app purchases, starting at $2.99 per month. Служебный календарь asks for nothing beyond the download.

Служебный календарь ships an update every 2 weeks, Shift Calendar every 3 weeks. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Служебный календарь | Shift Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 30 MB | 45 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michael Shubin](https://appshunter.io/developer/1887099428) | [anil sancar](https://appshunter.io/developer/1896591475) |

## What reviewers say

### Служебный календарь

[App page](https://appshunter.io/ios/app/id6760973182)

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

**In-app purchases:** none


### Shift Calendar

[App page](https://appshunter.io/ios/app/shift-calendar-shift-cycle/id6797974018)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Pro | $24.99 | one-time |


## Frequently asked questions

### Is Служебный календарь free?

Служебный календарь 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 Служебный календарь or Shift Calendar have ads?

Служебный календарь shows ads; Shift Calendar does not.

### Which is updated more often, Служебный календарь or Shift Calendar?

Служебный календарь ships an update every 2 weeks, and Shift Calendar every 3 weeks. Most recently, Служебный календарь was updated on October 7, 2026 and Shift Calendar on October 18, 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.*