# ARF RHD Guidelines vs OpenEvidence

The clearest difference is update cadence: OpenEvidence at weekly against ARF RHD Guidelines's every 16 months. OpenEvidence also leads on ratings volume (12K vs 1) and chart position (#35 vs unranked). ARF RHD Guidelines's advantage is review sentiment (100% vs 81%) and iOS requirement (13.0 vs 15.1). 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 — 5.0 for ARF RHD Guidelines against 4.9 for OpenEvidence. That said, the two scores are not equally well evidenced: OpenEvidence has 12K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of ARF RHD Guidelines's written reviews are positive against 81% of OpenEvidence's.

ARF RHD Guidelines ships an update every 16 months, OpenEvidence weekly. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ARF RHD Guidelines | OpenEvidence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arf-rhd-guidelines/id542098888/reviews)** | [4.9 (12K ratings)](https://appshunter.io/ios/app/openevidence/id6612007783/reviews) |
| Number of ratings | 1 | **12K** |
| Positive reviews | **100.0% of reviews** | 81.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Weekly** |
| Monetization | Free | Free |
| Best chart rank | — | **#35** |
| Size | 9 MB | 95 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | +17 |
| Developer | [Menzies School of Health Research](https://appshunter.io/developer/542098911) | [OpenEvidence Inc.](https://appshunter.io/developer/1761260627) |

## What reviewers say

### ARF RHD Guidelines

[App page](https://appshunter.io/ios/app/arf-rhd-guidelines/id542098888)

This app provides clinicians with up-to-date evidence and guidance for diagnosing and managing acute rheumatic fever and rheumatic heart disease. It includes a diagnostic calculator based on global criteria to simplify complex algorithms.

**Highlights:** Diagnosis and management of ARF/RHD, Up-to-date evidence-based information, ARF Diagnosis Calculator, Global diagnostic criteria compliance, Published by RHDAustralia

**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 ARF RHD Guidelines free?

ARF RHD Guidelines 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, ARF RHD Guidelines or OpenEvidence?

ARF RHD Guidelines is rated higher. ARF RHD Guidelines averages 5.0 out of 5 from 1 ratings, while OpenEvidence averages 4.9 from 12K ratings.

### Do ARF RHD Guidelines or OpenEvidence have ads?

Neither ARF RHD Guidelines nor OpenEvidence shows ads.

### Which is updated more often, ARF RHD Guidelines or OpenEvidence?

ARF RHD Guidelines ships an update every 16 months, and OpenEvidence weekly. Most recently, ARF RHD Guidelines was updated on October 29, 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.*