# Spark vs Firefighter Mobile

The clearest difference is rating: Spark at 4.8 against Firefighter Mobile's 3.0. Spark also leads on review sentiment (75% vs 33%) and ratings volume (7.5K vs 3). Firefighter Mobile's advantage is in-app purchases (none vs 2) and iOS requirement (8.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Spark sells 2 one-off in-app purchases. Firefighter Mobile asks for nothing beyond the download.

Spark holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Spark has 7.5K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 75% of Spark's written reviews are positive against 33% of Firefighter Mobile's.

Spark ships an update every 5 weeks, Firefighter Mobile every 2 months. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Spark | Firefighter Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (7.5K ratings)](https://appshunter.io/ios/app/spark-shift-calendar/id390915382/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/firefighter-mobile/id917109991/reviews) |
| Number of ratings | **7.5K** | 3 |
| Positive reviews | **74.8% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 24 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [E.L.K. Equities LLC](https://appshunter.io/developer/1775442602) | [TAE Technologies, Inc](https://appshunter.io/developer/917109990) |

## What reviewers say

### Spark

[App page](https://appshunter.io/ios/app/spark-shift-calendar/id390915382)

This app simplifies shift work for professionals like first responders and healthcare workers. It offers full customization, secure cloud syncing, and streamlined shift trading. Plan your life and stay organized with instant visual cues and reliable support.

**Highlights:** Full shift customization, Secure cloud sync, Streamlined shift trades, Instant visual cues, Comprehensive shift coverage, User-friendly interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription Renewal | $0.99 | one-time |
| Initial Annual Subscription | $5.99 | one-time |

**What reviewers like**

- 🚀 Excellent calendar app
- 👍 Easy to use and set up
- 🔒 Secure and reliable
- 💡 Customizable and feature-rich
- 👍 Great for shift work and emergency services

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 💰 Subscription model and pricing issues
- 🔧 Needs more frequent updates
- 🔧 Compatibility issues with newer devices
- 🔧 Lack of certain features (e.g., widgets, dark mode)

**Reported bugs**

- Login and authentication problems
- Data loss and sync issues after updates
- Unreliable performance on some devices

**Requested features**

- Ability to sync with more calendar services
- More customization options
- Improved user interface and design
- Ability to view past schedules and events


### Firefighter Mobile

[App page](https://appshunter.io/ios/app/firefighter-mobile/id917109991)

This app facilitates information sharing for firefighters, locals, and unions. It delivers shift details, news, political updates, and contact information to members. Participation requires a local or union membership.

**Highlights:** Shift information delivery, News and politics updates, Officer contact details, Station information, Member notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spark free?

Spark is free to download, with in-app purchases available.

### Is Firefighter Mobile free?

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

### Which has better reviews, Spark or Firefighter Mobile?

Spark is rated higher. Spark averages 4.8 out of 5 from 7.5K ratings, while Firefighter Mobile averages 3.0 from 3 ratings.

### Do Spark or Firefighter Mobile have ads?

Neither Spark nor Firefighter Mobile shows ads.

### Which is updated more often, Spark or Firefighter Mobile?

Spark ships an update every 5 weeks, and Firefighter Mobile every 2 months. Most recently, Spark was updated on October 20, 2026 and Firefighter Mobile on October 12, 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.*