# Shift Work Calendar vs FireShift

The clearest difference is in-app purchases: FireShift at none against Shift Work Calendar's 4. FireShift also leads on ads (none vs shown) and update cadence (every 2 days vs every 9 days). Shift Work Calendar's advantage is iOS requirement (15.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Shift Work Calendar sells 4 one-off in-app purchases. FireShift asks for nothing beyond the download.

Shift Work Calendar ships an update every 9 days, FireShift every 2 days. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Shift Work Calendar | FireShift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 2 days** |
| Size | 134 MB | 57 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Salomo Interiors S.L.](https://appshunter.io/developer/1688530007) | [Dmytro Polokhalo](https://appshunter.io/developer/1873442365) |

## What reviewers say

### Shift Work Calendar

[App page](https://appshunter.io/ios/app/shift-work-calendar-simple/id6751168161)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Premium | $1.99 | one-time |
| Unlock All | $1.99 | one-time |
| Unlock All + Remove Ads | $1.99 | one-time |


### FireShift

[App page](https://appshunter.io/ios/app/fireshift-schedule-and-library/id6759842368)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shift Work Calendar free?

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

### Is FireShift free?

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

### Do Shift Work Calendar or FireShift have ads?

Shift Work Calendar shows ads; FireShift does not.

### Which is updated more often, Shift Work Calendar or FireShift?

Shift Work Calendar ships an update every 9 days, and FireShift every 2 days. Most recently, Shift Work Calendar was updated on October 12, 2026 and FireShift on October 14, 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.*