# Shift Master Shift Calendar vs Fire Shift Calendar

The clearest difference is review sentiment: Shift Master Shift Calendar at 47% against Fire Shift Calendar's 0%. Shift Master Shift Calendar also leads on in-app purchases (none vs 8) and ads (none vs shown). Fire Shift Calendar's advantage is price (Free vs $1.99) and rating (4.8 vs 2.2). On ratings volume and device support there is nothing between them.

Fire Shift Calendar is free to download; Shift Master Shift Calendar costs $1.99 up front. Fire Shift Calendar sells 8 in-app purchases, starting at $1.99 per month. Shift Master Shift Calendar asks for nothing beyond the download.

Fire Shift Calendar holds the better App Store score, 4.8 against 2.2. Both are backed by a comparable volume of ratings — 25 and 16 respectively. Written reviews complicate that: 47% of Shift Master Shift Calendar's written reviews are positive against 0% of Fire Shift Calendar's, so the app with the better star average is not the one people write more warmly about.

Shift Master Shift Calendar ships an update every 5 weeks, Fire Shift Calendar fortnightly. The most recent releases landed on September 26, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Shift Master Shift Calendar | Fire Shift Calendar |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [2.2 (25 ratings)](https://appshunter.io/ios/app/shift-master-shift-calendar/id385155631/reviews) | **[4.8 (16 ratings)](https://appshunter.io/ios/app/fire-shift-calendar/id1559443433/reviews)** |
| Number of ratings | **25** | 16 |
| Positive reviews | **46.9% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 219 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gil Estes](https://appshunter.io/developer/349882768) | [Ayodeji Shoola](https://appshunter.io/developer/1559443435) |

## What reviewers say

### Shift Master Shift Calendar

[App page](https://appshunter.io/ios/app/shift-master-shift-calendar/id385155631)

A highly customizable shift calendar designed for Firefighter, EMS, and Paramedic professionals. It supports up to four platoons or teams with flexible shift patterns up to 35 days long.

**Highlights:** Fully configurable shift calendar, Supports up to 4 platoons/teams, Single or first/second shift patterns, Shift rotation up to 35 days, Designed for Firefighter, EMS, Paramedic

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 👍 Works for various shift rotations
- 👍 Good for long-term planning
- 👍 Customizable colors
- 👍 Prompt customer support (historically)

**What reviewers complain about**

- 🐛 App won't open/load
- 🐛 Crashes frequently
- 🐛 Lost data after updates
- 🐛 Confusing setup/not user-friendly
- 🐛 Incompatible with iOS updates

**Reported bugs**

- App does not open
- App crashes frequently
- App disappeared after iOS update
- Calendar days are purple/won't change color
- Erases notes and resets shift days after updates

**Requested features**

- Update for newest iOS versions
- Sync with iPhone calendar
- Add appointment scheduler with reminders
- Display shift letters across the top
- Enter half color/symbol for partial OT shifts


### Fire Shift Calendar

[App page](https://appshunter.io/ios/app/fire-shift-calendar/id1559443433)

This app simplifies complex work schedules for shift workers. It offers custom shift patterns, automatic time tracking for benefits and overtime, and cross-device synchronization. Designed for professionals in emergency services, healthcare, and other industries with non-traditional hours.

**Highlights:** Custom shift pattern creation, Repeating rotation application, Color-coded shifts, Vacation, sick, and overtime tracking, Automatic accrual calculations, Cross-device synchronization, Calendar integration

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| All Access | $2.99 | per month |
| Monthly | $3.99 | per month |
| All Access | $3.99 | per month |
| Yearly | $19.99 | per year |
| All Access | $29.99 | per year |
| Yearly | $39.99 | per year |
| All Access | $39.99 | per year |


## Frequently asked questions

### Is Shift Master Shift Calendar free?

Shift Master Shift Calendar costs $1.99, with no in-app purchases.

### Is Fire Shift Calendar free?

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

### Which has better reviews, Shift Master Shift Calendar or Fire Shift Calendar?

Fire Shift Calendar is rated higher. Shift Master Shift Calendar averages 2.2 out of 5 from 25 ratings, while Fire Shift Calendar averages 4.8 from 16 ratings.

### Do Shift Master Shift Calendar or Fire Shift Calendar have ads?

Fire Shift Calendar shows ads; Shift Master Shift Calendar does not.

### Which is updated more often, Shift Master Shift Calendar or Fire Shift Calendar?

Shift Master Shift Calendar ships an update every 5 weeks, and Fire Shift Calendar fortnightly. Most recently, Shift Master Shift Calendar was updated on September 26, 2026 and Fire Shift Calendar on June 3, 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.*