# Houston Fire vs TrackDX

The clearest difference is review sentiment: TrackDX at 100% against Houston Fire's 0%. TrackDX also leads on rating (5.0 vs 4.5) and update cadence (every 3 weeks vs every 5 months). Houston Fire's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.0). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. TrackDX sells 1 one-off in-app purchase. Houston Fire asks for nothing beyond the download.

TrackDX holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 0% of Houston Fire's written reviews are positive against 100% of TrackDX's.

Houston Fire ships an update every 5 months, TrackDX every 3 weeks. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Houston Fire | TrackDX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/houston-fire-ems-protocols/id879910135/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/trackdx/id6793698844/reviews)** |
| Number of ratings | 4 | **5** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 53 MB | 11 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Acid Remap LLC](https://appshunter.io/developer/323130617) | [TrackDX, LLC](https://appshunter.io/developer/6793698846) |

## What reviewers say

### Houston Fire

[App page](https://appshunter.io/ios/app/houston-fire-ems-protocols/id879910135)

Access Houston Fire Department's EMS protocols and supporting materials offline. Features quick indexed lookup, search functionality, and customizable notes. Stay updated with the latest protocols directly on your device.

**Highlights:** Offline protocol access, Indexed lookup, Search titles and text, Favorites tab, Customizable hospital contacts, Customizable notes

**In-app purchases:** none


### TrackDX

[App page](https://appshunter.io/ios/app/trackdx/id6793698844)

This app helps you understand your health conditions by tracking episodes, triggers, and medications. It uses statistical models to reveal patterns and provides a summary for your doctor. Your data remains private and stored only on your device.

**Highlights:** Track multiple conditions simultaneously, Log episodes, triggers, and medications, Advanced statistical pattern analysis, Generate physician summaries, Import data from spreadsheets, On-device data storage for privacy

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrackDX Pro | $1.99 | one-time |


## Frequently asked questions

### Is Houston Fire free?

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

### Is TrackDX free?

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

### Which has better reviews, Houston Fire or TrackDX?

TrackDX is rated higher. Houston Fire averages 4.5 out of 5 from 4 ratings, while TrackDX averages 5.0 from 5 ratings.

### Do Houston Fire or TrackDX have ads?

Neither Houston Fire nor TrackDX shows ads.

### Which is updated more often, Houston Fire or TrackDX?

Houston Fire ships an update every 5 months, and TrackDX every 3 weeks. Most recently, Houston Fire was updated on October 12, 2026 and TrackDX on October 10, 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.*