# FireSync Shift Calendar vs FirstNet Single Sign

The clearest difference is review sentiment: FireSync Shift Calendar at 69% against FirstNet Single Sign's 2%. FireSync Shift Calendar also leads on rating (4.8 vs 1.3) and ratings volume (9.1K vs 132). FirstNet Single Sign's advantage is monetization model (free vs paid). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FireSync Shift Calendar holds the better App Store score, 4.8 against 1.3. That said, the two scores are not equally well evidenced: FireSync Shift Calendar has 9.1K ratings behind it against 132, so its average is the more settled of the two. Written reviews point the same way: 69% of FireSync Shift Calendar's written reviews are positive against 2% of FirstNet Single Sign's.

FireSync Shift Calendar ships an update every 2 months, FirstNet Single Sign every 3 months. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | FireSync Shift Calendar | FirstNet Single Sign |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9.1K ratings)](https://appshunter.io/ios/app/firesync-shift-calendar/id811674374/reviews)** | [1.3 (132 ratings)](https://appshunter.io/ios/app/firstnet-single-sign-on/id1473494515/reviews) |
| Number of ratings | **9.1K** | 132 |
| Positive reviews | **69.2% of reviews** | 2.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 176 MB | 11 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [ForceReadiness.com](https://appshunter.io/developer/412513833) | [AT&T Services, Inc.](https://appshunter.io/developer/290854684) |

## What reviewers say

### FireSync Shift Calendar

[App page](https://appshunter.io/ios/app/firesync-shift-calendar/id811674374)

This app is a comprehensive calendar designed for firefighters, offering robust shift tracking, event management, and cloud integration. It allows users to manage trades, overtime, and personal events, with features like CertTracker and Expenditure tracking. It also syncs with other calendars and devices for seamless organization.

**Highlights:** Firefighter shift schedule tracking, Event management (trades, overtime, personal), Cloud integration with FireSync Enterprise™, CertTracker and Expenditure tracking, Customizable shift editor, Year and month calendar views, Report generation and emailing

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Share capable
- 👍 Perfect setup
- 👍 User friendly and simple
- 👍 Easy to use
- 👍 Convenient

**What reviewers complain about**

- 🐛 Randomly deletes events
- 🔒 Trouble with calendar access
- 🐛 Holiday icon disappeared
- 🐛 Erased all info
- 🐛 Verification not working

**Reported bugs**

- Randomly deletes events
- Trouble with calendar access
- Holiday icon disappeared
- Erased all info
- Verification not working

**Requested features**

- Color customization for days
- Shift designation by number
- Custom FLSA start/end dates
- Customizable pay days
- Shift trade feature


### 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 FireSync Shift Calendar free?

FireSync Shift Calendar is free to download, 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, FireSync Shift Calendar or FirstNet Single Sign?

FireSync Shift Calendar is rated higher. FireSync Shift Calendar averages 4.8 out of 5 from 9.1K ratings, while FirstNet Single Sign averages 1.3 from 132 ratings.

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

Neither FireSync Shift Calendar nor FirstNet Single Sign shows ads.

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

FireSync Shift Calendar ships an update every 2 months, and FirstNet Single Sign every 3 months. Most recently, FireSync Shift Calendar was updated on September 24, 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.*