# FireSync Shift Calendar vs EMS1R

The clearest difference is monetization model: EMS1R at free against FireSync Shift Calendar's paid. EMS1R also leads on review sentiment (100% vs 69%) and rating (5.0 vs 4.8). FireSync Shift Calendar's advantage is ratings volume (9.1K vs 4). 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.

EMS1R holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: FireSync Shift Calendar has 9.1K ratings behind it against 4, 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 100% of EMS1R's.

FireSync Shift Calendar ships an update every 2 months, EMS1R every 3 months. The most recent releases landed on September 24, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | FireSync Shift Calendar | EMS1R |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (9.1K ratings)](https://appshunter.io/ios/app/firesync-shift-calendar/id811674374/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ems1r/id6670518564/reviews)** |
| Number of ratings | **9.1K** | 4 |
| Positive reviews | 69.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 176 MB | 52 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [ForceReadiness.com](https://appshunter.io/developer/412513833) | [Dimana Systems LLC](https://appshunter.io/developer/1765035498) |

## 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


### EMS1R

[App page](https://appshunter.io/ios/app/ems1r/id6670518564)

This comprehensive solution streamlines ambulance service operations. It manages staff, assets, and dispatching, functioning as a complete business management tool.

**Highlights:** Staff management, Asset tracking, Dispatch operations, Business management, Comprehensive solution

**In-app purchases:** none


## Frequently asked questions

### Is FireSync Shift Calendar free?

FireSync Shift Calendar is free to download, with no in-app purchases.

### Is EMS1R free?

EMS1R is free to download, with no in-app purchases.

### Which has better reviews, FireSync Shift Calendar or EMS1R?

EMS1R is rated higher. FireSync Shift Calendar averages 4.8 out of 5 from 9.1K ratings, while EMS1R averages 5.0 from 4 ratings.

### Do FireSync Shift Calendar or EMS1R have ads?

Neither FireSync Shift Calendar nor EMS1R shows ads.

### Which is updated more often, FireSync Shift Calendar or EMS1R?

FireSync Shift Calendar ships an update every 2 months, and EMS1R every 3 months. Most recently, FireSync Shift Calendar was updated on September 24, 2026 and EMS1R on June 11, 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.*