# Spark vs Charlotte Fire ShiftCalendar

The clearest difference is in-app purchases: Charlotte Fire ShiftCalendar at none against Spark's 2. Charlotte Fire ShiftCalendar also leads on iOS requirement (11.1 vs 15.6). Spark's advantage is ratings volume (7.5K vs 14) and rating (4.8 vs 4.5). On price, review sentiment, ads and device support there is nothing between them.

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

Spark holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Spark has 7.5K ratings behind it against 14, so its average is the more settled of the two. Written reviews split almost evenly too, at 75% and 75% positive.

## The numbers

| Metric | Spark | Charlotte Fire ShiftCalendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (7.5K ratings)](https://appshunter.io/ios/app/spark-shift-calendar/id390915382/reviews)** | [4.5 (14 ratings)](https://appshunter.io/ios/app/charlotte-fire-shiftcalendar/id1387515521/reviews) |
| Number of ratings | **7.5K** | 14 |
| Positive reviews | 74.8% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 10 MB |
| Requires iOS | 15.6 | **11.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [E.L.K. Equities LLC](https://appshunter.io/developer/1775442602) | [City of Charlotte NC dba Charlotte Fire Department](https://appshunter.io/developer/1387514740) |

## 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


### Charlotte Fire ShiftCalendar

[App page](https://appshunter.io/ios/app/charlotte-fire-shiftcalendar/id1387515521)

This app helps fire department personnel manage their work schedules. It allows users to view their shift calendar, save important shift and Kelly numbers for tracking off days, and record leave dates.

**Highlights:** View shift calendar, Save shift and Kelly numbers, Track Kelly off days, Save and view leave dates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spark free?

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

### Is Charlotte Fire ShiftCalendar free?

Charlotte Fire ShiftCalendar is free to download, with no in-app purchases.

### Which has better reviews, Spark or Charlotte Fire ShiftCalendar?

Spark is rated higher. Spark averages 4.8 out of 5 from 7.5K ratings, while Charlotte Fire ShiftCalendar averages 4.5 from 14 ratings.

### Do Spark or Charlotte Fire ShiftCalendar have ads?

Neither Spark nor Charlotte Fire ShiftCalendar shows ads.

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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.*