# FireSync Shift Calendar vs WBidMax

The clearest difference is rating: FireSync Shift Calendar at 4.8 against WBidMax's 4.2. FireSync Shift Calendar also leads on in-app purchases (none vs 2) and ratings volume (9.1K vs 9). WBidMax's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. WBidMax sells 2 one-off in-app purchases. FireSync Shift Calendar asks for nothing beyond the download.

FireSync Shift Calendar holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: FireSync Shift Calendar has 9.1K ratings behind it against 9, 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 67% of WBidMax's.

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

## The numbers

| Metric | FireSync Shift Calendar | WBidMax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9.1K ratings)](https://appshunter.io/ios/app/firesync-shift-calendar/id811674374/reviews)** | [4.2 (9 ratings)](https://appshunter.io/ios/app/wbidmax/id892320623/reviews) |
| Number of ratings | **9.1K** | 9 |
| Positive reviews | **69.2% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 176 MB | 53 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 17+ | 17+ |
| Developer | [ForceReadiness.com](https://appshunter.io/developer/412513833) | [WBid, LLC](https://appshunter.io/developer/892320626) |

## 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


### WBidMax

[App page](https://appshunter.io/ios/app/wbidmax/id892320623)

This system helps pilots and flight attendants manage their monthly scheduling bids. It allows users to filter, weight, and sort bid lines with extensive features and customization options. Comprehensive help documents and videos are available for easy mastery.

**Highlights:** Download and submit bids for all bases and rounds, Multiple views of bid data (Summary, Bid Line, Modern, Calendar), Extensive constraints, sorts, and weights for bid customization, View modification buttons for overlap predictions and vacation features, Help section with documents and videos, Export lines to calendar, Easy recall of bid-related documents

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Subscription | $5.99 | one-time |
| One Month Subscription | $6.99 | one-time |


## Frequently asked questions

### Is FireSync Shift Calendar free?

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

### Is WBidMax free?

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

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

FireSync Shift Calendar is rated higher. FireSync Shift Calendar averages 4.8 out of 5 from 9.1K ratings, while WBidMax averages 4.2 from 9 ratings.

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

Neither FireSync Shift Calendar nor WBidMax shows ads.

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

FireSync Shift Calendar ships an update every 2 months, and WBidMax monthly. Most recently, FireSync Shift Calendar was updated on September 24, 2026 and WBidMax on September 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.*