# Shift Master Shift Calendar vs FirstNet Single Sign

The clearest difference is price: FirstNet Single Sign at Free against Shift Master Shift Calendar's $1.99. FirstNet Single Sign also leads on ratings volume (132 vs 25). Shift Master Shift Calendar's advantage is review sentiment (47% vs 2%) and rating (2.2 vs 1.3). On ads, in-app purchases, monetization model and device support there is nothing between them.

FirstNet Single Sign is free to download; Shift Master Shift Calendar costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Shift Master Shift Calendar holds the better App Store score, 2.2 against 1.3. That said, the two scores are not equally well evidenced: FirstNet Single Sign has 132 ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 47% of Shift Master Shift Calendar's written reviews are positive against 2% of FirstNet Single Sign's.

Shift Master Shift Calendar ships an update every 5 weeks, FirstNet Single Sign every 3 months. The most recent releases landed on September 26, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Shift Master Shift Calendar | FirstNet Single Sign |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[2.2 (25 ratings)](https://appshunter.io/ios/app/shift-master-shift-calendar/id385155631/reviews)** | [1.3 (132 ratings)](https://appshunter.io/ios/app/firstnet-single-sign-on/id1473494515/reviews) |
| Number of ratings | 25 | **132** |
| Positive reviews | **46.9% of reviews** | 2.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 2 MB | 11 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Gil Estes](https://appshunter.io/developer/349882768) | [AT&T Services, Inc.](https://appshunter.io/developer/290854684) |

## 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


### FirstNet Single Sign

[App page](https://appshunter.io/ios/app/firstnet-single-sign-on/id1473494515)

Streamline access to critical public safety applications. Log in once to gain immediate entry to essential tools, saving valuable time and enhancing operational efficiency for verified FirstNet users.

**Highlights:** Single sign-on for multiple apps, Quick access to FirstNet Assist, Immediate access to FirstNet Central, Enhanced security, Time-saving login process

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers complain about**

- ❌ Prevents login
- ❌ Stuck in loops
- ❌ No push notifications
- ❌ Unreliable authentication
- ❌ Difficult to use

**Reported bugs**

- 2 factor authentication stuck in a loop
- App does not send push notifications
- Single sign on not in notifications list
- App does not send signal back to website
- Multiple error messages that don't make sense


## Frequently asked questions

### Is Shift Master Shift Calendar free?

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

### Is FirstNet Single Sign free?

FirstNet Single Sign is free to download, with no in-app purchases.

### Which has better reviews, Shift Master Shift Calendar or FirstNet Single Sign?

Shift Master Shift Calendar is rated higher. Shift Master Shift Calendar averages 2.2 out of 5 from 25 ratings, while FirstNet Single Sign averages 1.3 from 132 ratings.

### Do Shift Master Shift Calendar or FirstNet Single Sign have ads?

Neither Shift Master Shift Calendar nor FirstNet Single Sign shows ads.

### Which is updated more often, Shift Master Shift Calendar or FirstNet Single Sign?

Shift Master Shift Calendar ships an update every 5 weeks, and FirstNet Single Sign every 3 months. Most recently, Shift Master Shift Calendar was updated on September 26, 2026 and FirstNet Single Sign on September 21, 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.*