# Shift Calendar Alarm vs Shift Alarm

The clearest difference is in-app purchases: Shift Alarm at none against Shift Calendar Alarm's 2. Shift Alarm also leads on update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Shift Calendar Alarm sells 2 in-app purchases, starting at $0.99 per month. Shift Alarm asks for nothing beyond the download.

Shift Calendar Alarm ships an update fortnightly, Shift Alarm weekly. The most recent releases landed on November 13, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Shift Calendar Alarm | Shift Alarm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 6 MB | 19 MB |
| Requires iOS | **26.0** | 26.1 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PING CHANG YU](https://appshunter.io/developer/1884515149) | [Joao Paulo Ferreira da Luz](https://appshunter.io/developer/6798815193) |

## What reviewers say

### Shift Calendar Alarm

[App page](https://appshunter.io/ios/app/shift-calendar-alarm/id6760447926)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shift Alarm Premium Monthly | $0.99 | per month |
| Shift Alarm Premium Yearly | $8.99 | per year |


### Shift Alarm

[App page](https://appshunter.io/ios/app/shift-alarm-auto-clock/id6798815191)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shift Calendar Alarm free?

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

### Is Shift Alarm free?

Shift Alarm is free to download, with no in-app purchases.

### Do Shift Calendar Alarm or Shift Alarm have ads?

Neither Shift Calendar Alarm nor Shift Alarm shows ads.

### Which is updated more often, Shift Calendar Alarm or Shift Alarm?

Shift Calendar Alarm ships an update fortnightly, and Shift Alarm weekly. Most recently, Shift Calendar Alarm was updated on November 13, 2026 and Shift Alarm on November 10, 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.*