# Thrombosis vs Firstline

The clearest difference is rating: Firstline at 4.9 against Thrombosis's 4.0. Firstline also leads on update cadence (fortnightly vs every 5 months) and ratings volume (645 vs 3). Thrombosis's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Firstline holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Firstline has 645 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 75% of Thrombosis's written reviews are positive against 89% of Firstline's.

Thrombosis ships an update every 5 months, Firstline fortnightly. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Thrombosis | Firstline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/thrombosis/id728181432/reviews) | **[4.9 (645 ratings)](https://appshunter.io/ios/app/firstline-clinical-decisions/id921339941/reviews)** |
| Number of ratings | 3 | **645** |
| Positive reviews | 75.0% of reviews | **89.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 36 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Thrombosis Canada](https://appshunter.io/developer/1098720492) | [Spectrum Mobile Health Inc.](https://appshunter.io/developer/1072846527) |

## What reviewers say

### Thrombosis

[App page](https://appshunter.io/ios/app/thrombosis/id728181432)

Provides healthcare professionals with up-to-date clinical tools and practice guidelines for managing thrombosis. Access interactive diagnostic aids, comprehensive treatment guides, and patient education materials.

**Highlights:** Interactive clinical tools, Comprehensive clinical guides, Patient education resources, User-friendly interface, Regular updates, Offline access

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

**In-app purchases:** none


### Firstline

[App page](https://appshunter.io/ios/app/firstline-clinical-decisions/id921339941)

Provides healthcare professionals with interactive, point-of-care guidance for optimal patient treatment. Access customizable protocols, antimicrobial stewardship, and infection control information. Updates are rapid and it functions offline.

**Highlights:** Antimicrobial Stewardship guidelines, Infection Prevention & Control protocols, Customizable for healthcare organizations, Antimicrobial formulary information, Pathogen and antibiogram data, Offline functionality

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and intuitive navigation
- 🎨 Beautiful and visually pleasing design
- 📚 Excellent reference resource for medical professionals
- ⚡ Quick and convenient point-of-care tool
- 🏥 Highly useful for clinical decision-making

**What reviewers complain about**

- 🐛 App fails to load or progress past loading screen
- 🐛 Frequent crashes after updates
- ⚠️ Stability issues requiring reinstallation
- ❌ Unresponsive membership request process

**Reported bugs**

- App will not progress past loading screen
- App crashes constantly on startup after updates
- Requires uninstall and reinstall to resolve crashes
- Crashes return after a few hours or days

**Requested features**

- Treatment duration guidelines for pathogens
- Regional data for additional areas (e.g., Southern Ontario/Hamilton/Toronto)
- More specific treatment duration information


## Frequently asked questions

### Is Thrombosis free?

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

### Is Firstline free?

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

### Which has better reviews, Thrombosis or Firstline?

Firstline is rated higher. Thrombosis averages 4.0 out of 5 from 3 ratings, while Firstline averages 4.9 from 645 ratings.

### Do Thrombosis or Firstline have ads?

Neither Thrombosis nor Firstline shows ads.

### Which is updated more often, Thrombosis or Firstline?

Thrombosis ships an update every 5 months, and Firstline fortnightly. Most recently, Thrombosis was updated on October 26, 2026 and Firstline on October 29, 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.*