# AHA eBook Reader vs OpenEvidence

The clearest difference is review sentiment: OpenEvidence at 81% against AHA eBook Reader's 12%. OpenEvidence also leads on update cadence (weekly vs every 2 months) and rating (4.9 vs 4.6). 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.

OpenEvidence holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: OpenEvidence has 12K ratings behind it against 1.5K, so its average is the more settled of the two. Written reviews point the same way: 12% of AHA eBook Reader's written reviews are positive against 81% of OpenEvidence's.

AHA eBook Reader ships an update every 2 months, OpenEvidence weekly. The most recent releases landed on October 19, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | AHA eBook Reader | OpenEvidence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (1.5K ratings)](https://appshunter.io/ios/app/aha-ebook-reader/id734453806/reviews) | **[4.9 (12K ratings)](https://appshunter.io/ios/app/openevidence/id6612007783/reviews)** |
| Number of ratings | 1.5K | **12K** |
| Positive reviews | 11.6% of reviews | **81.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Best chart rank | — | **#34** |
| Size | 53 MB | 95 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | +17 |
| Developer | [American Heart Association](https://appshunter.io/developer/441987817) | [OpenEvidence Inc.](https://appshunter.io/developer/1761260627) |

## What reviewers say

### AHA eBook Reader

[App page](https://appshunter.io/ios/app/aha-ebook-reader/id734453806)

Access and read your American Heart Association eBooks on your mobile device. Log in with your existing AHA account to view your purchased books, download them for offline reading, and enjoy features like searching, bookmarking, and adjusting font size.

**Highlights:** Read eBooks online and offline, Log in with AHA account, Download purchased books, Search within titles, Sort books by category, Add bookmarks, Adjust font size

**Features:** Vision Pro support

**In-app purchases:** none


### OpenEvidence

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

**Currently charting:** #34 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 AHA eBook Reader free?

AHA eBook Reader 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, AHA eBook Reader or OpenEvidence?

OpenEvidence is rated higher. AHA eBook Reader averages 4.6 out of 5 from 1.5K ratings, while OpenEvidence averages 4.9 from 12K ratings.

### Do AHA eBook Reader or OpenEvidence have ads?

Neither AHA eBook Reader nor OpenEvidence shows ads.

### Which is updated more often, AHA eBook Reader or OpenEvidence?

AHA eBook Reader ships an update every 2 months, and OpenEvidence weekly. Most recently, AHA eBook Reader was updated on October 19, 2026 and OpenEvidence on October 21, 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.*