# Spark vs Crowley CDJR Connect

The clearest difference is in-app purchases: Crowley CDJR Connect at none against Spark's 2. Spark's advantage is update cadence (every 5 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Spark ships an update every 5 weeks, Crowley CDJR Connect every 5 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Spark | Crowley CDJR Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (7.5K ratings)](https://appshunter.io/ios/app/spark-shift-calendar/id390915382/reviews)** | — |
| Number of ratings | **7.5K** | — |
| Positive reviews | 74.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 171 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [E.L.K. Equities LLC](https://appshunter.io/developer/1775442602) | [VBI Group LLC](https://appshunter.io/developer/1434340528) |

## 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


### Crowley CDJR Connect

[App page](https://appshunter.io/ios/app/crowley-cdjr-connect/id6743774933)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spark free?

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

### Is Crowley CDJR Connect free?

Crowley CDJR Connect is free to download, with no in-app purchases.

### Do Spark or Crowley CDJR Connect have ads?

Neither Spark nor Crowley CDJR Connect shows ads.

### Which is updated more often, Spark or Crowley CDJR Connect?

Spark ships an update every 5 weeks, and Crowley CDJR Connect every 5 months. Most recently, Spark was updated on November 6, 2026 and Crowley CDJR Connect on October 30, 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.*