# Shift Calendar Alarm vs ShiftBell

The clearest difference is update cadence: ShiftBell at weekly against Shift Calendar Alarm's fortnightly. ShiftBell also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Shift Calendar Alarm sells 2 in-app purchases, starting at $0.99 per month and ShiftBell sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Shift Calendar Alarm ships an update fortnightly, ShiftBell weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Shift Calendar Alarm | ShiftBell |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 6 MB | 14 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PING CHANG YU](https://appshunter.io/developer/1884515149) | [SEONG MIN LEE](https://appshunter.io/developer/6794776142) |

## 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 |


### ShiftBell

[App page](https://appshunter.io/ios/app/shiftbell-shift-work-alarm/id6794776140)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShiftBell Pro Monthly | $1.99 | per month |
| ShiftBell Pro Yearly | $9.99 | per year |
| ShiftBell Pro | $34.99 | one-time |


## Frequently asked questions

### Is Shift Calendar Alarm free?

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

### Is ShiftBell free?

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

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

Neither Shift Calendar Alarm nor ShiftBell shows ads.

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

Shift Calendar Alarm ships an update fortnightly, and ShiftBell weekly. Most recently, Shift Calendar Alarm was updated on October 24, 2026 and ShiftBell on October 25, 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.*