# ShiftBell vs FlexAlarm

The clearest difference is in-app purchases: FlexAlarm at none against ShiftBell's 3. FlexAlarm also leads on update cadence (every 3 days vs weekly). ShiftBell's advantage is iOS requirement (17.0 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. ShiftBell sells 3 in-app purchases, starting at $1.99 per month. FlexAlarm asks for nothing beyond the download.

ShiftBell ships an update weekly, FlexAlarm every 3 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ShiftBell | FlexAlarm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 14 MB | 3 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SEONG MIN LEE](https://appshunter.io/developer/6794776142) | [Ismail Galdi](https://appshunter.io/developer/6808257163) |

## What reviewers say

### 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 |


### FlexAlarm

[App page](https://appshunter.io/ios/app/flexalarm-shift-alarm-clock/id6817701083)

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

**In-app purchases:** none


## Frequently asked questions

### Is ShiftBell free?

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

### Is FlexAlarm free?

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

### Do ShiftBell or FlexAlarm have ads?

Neither ShiftBell nor FlexAlarm shows ads.

### Which is updated more often, ShiftBell or FlexAlarm?

ShiftBell ships an update weekly, and FlexAlarm every 3 days. Most recently, ShiftBell was updated on November 6, 2026 and FlexAlarm on October 31, 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.*