# Pneumotox. vs OpenEvidence

Pneumotox. and OpenEvidence both sit at 4.9 stars, but that hides the real split: 81% of OpenEvidence's written reviews are positive against 50% of Pneumotox.'s. OpenEvidence also leads on update cadence (weekly vs every 42 months) and ratings volume (12K vs 7). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.9 for Pneumotox. against 4.9 for OpenEvidence. That said, the two scores are not equally well evidenced: OpenEvidence has 12K ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 50% of Pneumotox.'s written reviews are positive against 81% of OpenEvidence's.

Pneumotox. ships an update every 42 months, OpenEvidence weekly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Pneumotox. | OpenEvidence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (7 ratings)](https://appshunter.io/ios/app/pneumotox/id495707401/reviews) | **[4.9 (12K ratings)](https://appshunter.io/ios/app/openevidence/id6612007783/reviews)** |
| Number of ratings | 7 | **12K** |
| Positive reviews | 50.0% of reviews | **81.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Weekly** |
| Monetization | Free | Free |
| Best chart rank | — | **#35** |
| Size | 48 MB | 95 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | +17 |
| Developer | [Philippe Camus](https://appshunter.io/developer/1438857331) | [OpenEvidence Inc.](https://appshunter.io/developer/1761260627) |

## What reviewers say

### Pneumotox.

[App page](https://appshunter.io/ios/app/pneumotox/id495707401)

This app aids in diagnosing respiratory and cardiac diseases suspected of being drug-induced. It provides extensive information and bibliography from over 35,000 reviewed references, organized by causative drugs and respiratory patterns. It helps assess drug causality and offers diagnostic prompts.

**Highlights:** Diagnose drug-induced respiratory diseases, Extensive bibliography from 35,000+ references, Organized by causative drugs and respiratory patterns, Drug causality assessment tool, Diagnostic prompts and Naranjo scale integration, Information on various drug administration routes

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

**In-app purchases:** none


### OpenEvidence

[App page](https://appshunter.io/ios/app/openevidence/id6612007783)

**Currently charting:** #35 Top Free · Medical (US App Store)

This app provides healthcare professionals with evidence-based clinical decision support and medical information. It acts as a search engine, sourcing answers from peer-reviewed literature and leading medical organizations to aid in high-stakes medical decisions at the point of care.

**Highlights:** Clinical decision support, Medical search engine, Sourced from peer-reviewed literature, FDA and CDC data integration, Partnerships with leading medical journals, Verified healthcare professional access

**Features:** Siri integration

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate and concise answers
- 💡 Provides references and sources
- 👍 Helpful for clinical practice
- 🚀 Efficient search and retrieval
- 👍 Invaluable quick reference tool

**What reviewers complain about**

- 🐛 App not working in latest update
- ⚠️ Requires specific prompts for complete information

**Reported bugs**

- App not working in latest update

**Requested features**

- Availability on MacBook
- Integration with clinical workflows and EMRs


## Frequently asked questions

### Is Pneumotox. free?

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

### Is OpenEvidence free?

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

### Which has better reviews, Pneumotox. or OpenEvidence?

OpenEvidence is rated higher. Pneumotox. averages 4.9 out of 5 from 7 ratings, while OpenEvidence averages 4.9 from 12K ratings.

### Do Pneumotox. or OpenEvidence have ads?

Neither Pneumotox. nor OpenEvidence shows ads.

### Which is updated more often, Pneumotox. or OpenEvidence?

Pneumotox. ships an update every 42 months, and OpenEvidence weekly. Most recently, Pneumotox. was updated on October 24, 2026 and OpenEvidence on October 31, 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.*