# First Due Mobile vs Trades 3631

The clearest difference is review sentiment: Trades 3631 at 100% against First Due Mobile's 18%. Trades 3631 also leads on rating (5.0 vs 2.8) and iOS requirement (15.0 vs 17.0). First Due Mobile's advantage is ratings volume (860 vs 2). 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.

Trades 3631 holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: First Due Mobile has 860 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 18% of First Due Mobile's written reviews are positive against 100% of Trades 3631's.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 27, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | First Due Mobile | Trades 3631 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (860 ratings)](https://appshunter.io/ios/app/first-due-mobile/id1300758445/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/trades-3631/id6795606143/reviews)** |
| Number of ratings | **860** | 2 |
| Positive reviews | 17.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | Free |
| Size | 226 MB | 12 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Locality Media, Inc.](https://appshunter.io/developer/1355085433) | [Andrew Howell](https://appshunter.io/developer/6795606145) |

## What reviewers say

### First Due Mobile

[App page](https://appshunter.io/ios/app/first-due-mobile/id1300758445)

Receive real-time incident notifications and navigate directly to emergencies with optimized routing. Access critical building data, pre-plans, and team communication tools for enhanced situational awareness and faster response.

**Highlights:** Incident tracking and notification, Emergency response routing, Building data integration, Pre-incident planning, Team chat communication, Live unit tracking

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate incident information
- 📊 Valuable pre-planning and response data
- 🗺️ Helpful mapping and navigation features
- 💡 Comprehensive all-in-one solution

**What reviewers complain about**

- 🐛 Frequent crashes and stability issues
- 📱 Clunky and unintuitive mobile interface
- ⏱️ Slow incident notifications and app loading
- 🔇 Lack of customizable alert tones and settings
- 🤯 Overwhelming number of features, poor usability

**Reported bugs**

- Addresses not accurately displayed
- Inability to log out or switch between departments
- Inconsistent behavior across iOS and Android
- Unreliable push notifications and alerts

**Requested features**

- Dark mode option
- Improved scheduling and shift management
- Apple Watch integration for alerts
- Offline functionality and caching
- Streamlined user interface and navigation


### Trades 3631

[App page](https://appshunter.io/ios/app/trades-3631/id6795606143)

This platform simplifies shift exchanges for firefighters. Post shifts, find coverage, negotiate terms, and manage trades securely. Manual account verification ensures authorized use.

**Highlights:** Post shifts, Find available coverage, Negotiate payback dates, Real-time notifications, Manage confirmed trades, Secure platform

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

**In-app purchases:** none


## Frequently asked questions

### Is First Due Mobile free?

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

### Is Trades 3631 free?

Trades 3631 is free to download, with no in-app purchases.

### Which has better reviews, First Due Mobile or Trades 3631?

Trades 3631 is rated higher. First Due Mobile averages 2.8 out of 5 from 860 ratings, while Trades 3631 averages 5.0 from 2 ratings.

### Do First Due Mobile or Trades 3631 have ads?

Neither First Due Mobile nor Trades 3631 shows ads.

### Which is updated more often, First Due Mobile or Trades 3631?

First Due Mobile ships an update every 2 weeks, and Trades 3631 every 2 weeks. Most recently, First Due Mobile was updated on October 27, 2026 and Trades 3631 on September 28, 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.*