# AAO eBooks vs DoseChecker

The clearest difference is review sentiment: DoseChecker at 33% against AAO eBooks's 18%. DoseChecker also leads on rating (4.0 vs 3.8) and iOS requirement (8.0 vs 14.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

DoseChecker holds the better App Store score, 4.0 against 3.8. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews point the same way: 18% of AAO eBooks's written reviews are positive against 33% of DoseChecker's.

AAO eBooks ships an update every 3 months, DoseChecker every 5 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AAO eBooks | DoseChecker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/aao-ebooks/id665817219/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/dosechecker/id1233772258/reviews)** |
| Number of ratings | **5** | 4 |
| Positive reviews | 18.2% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 78 MB | 100 MB |
| Requires iOS | 14.0 | **8.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [American Academy of Ophthalmology, Inc.](https://appshunter.io/developer/665817223) | [Massachusetts Eye and Ear Infirmary](https://appshunter.io/developer/691435684) |

## What reviewers say

### AAO eBooks

[App page](https://appshunter.io/ios/app/aao-ebooks/id665817219)

Access essential ophthalmology textbooks on your mobile device. Search, browse, and download purchased eBooks for offline use. Enhance learning with notes, highlights, and CME credit opportunities.

**Highlights:** Access purchased eBooks, Offline reading capability, Search and browse content, Highlighting and note-taking, Bookmark functionality, Earn CME credits

**Features:** macOS Compatibility

**In-app purchases:** none


### DoseChecker

[App page](https://appshunter.io/ios/app/dosechecker/id1233772258)

This app assists healthcare providers in calculating safe hydroxychloroquine dosages for patients. It follows American Academy of Ophthalmology guidelines and offers an adjustable weekly dosing schedule to maximize therapeutic benefit while avoiding toxic levels. The tool is designed for quick and efficient use by physicians and other healthcare professionals.

**Highlights:** Safe dosing regimen development, Actual Body Weight method, American Academy of Ophthalmology 2016 guidelines, Adjustable weekly dosing schedule, Calculates maximum therapeutic dose, Simple weight entry and calculation

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

**In-app purchases:** none


## Frequently asked questions

### Is AAO eBooks free?

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

### Is DoseChecker free?

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

### Which has better reviews, AAO eBooks or DoseChecker?

DoseChecker is rated higher. AAO eBooks averages 3.8 out of 5 from 5 ratings, while DoseChecker averages 4.0 from 4 ratings.

### Do AAO eBooks or DoseChecker have ads?

Neither AAO eBooks nor DoseChecker shows ads.

### Which is updated more often, AAO eBooks or DoseChecker?

AAO eBooks ships an update every 3 months, and DoseChecker every 5 months. Most recently, AAO eBooks was updated on October 23, 2026 and DoseChecker on October 24, 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.*