# COE Prep vs AAO Ophthalmic Education

The clearest difference is in-app purchases: AAO Ophthalmic Education at none against COE Prep's 1. AAO Ophthalmic Education also leads on review sentiment (100% vs 76%). COE Prep's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (89 vs 18). On price, rating, ads and device support there is nothing between them.

Both are free to download. COE Prep sells 1 one-off in-app purchase. AAO Ophthalmic Education asks for nothing beyond the download.

AAO Ophthalmic Education holds the better App Store score, 4.9 against 4.8. Both are backed by a comparable volume of ratings — 89 and 18 respectively. Written reviews point the same way: 76% of COE Prep's written reviews are positive against 100% of AAO Ophthalmic Education's.

COE Prep ships an update every 3 weeks, AAO Ophthalmic Education every 3 months. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | COE Prep | AAO Ophthalmic Education |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (89 ratings)](https://appshunter.io/ios/app/coe-prep/id315534299/reviews) | **[4.9 (18 ratings)](https://appshunter.io/ios/app/aao-ophthalmic-education/id1455960271/reviews)** |
| Number of ratings | **89** | 18 |
| Positive reviews | 76.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 121 MB | 84 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Higher Learning Technologies](https://appshunter.io/developer/571804544) | [American Academy of Ophthalmology, Inc.](https://appshunter.io/developer/665817223) |

## What reviewers say

### COE Prep

[App page](https://appshunter.io/ios/app/coe-prep/id315534299)

Prepare for your Certified Ophthalmic Executive exam with official flashcards. This app offers over 300 practice questions covering key areas of ophthalmic administration, with detailed explanations and progress tracking. Study efficiently anytime, anywhere.

**Highlights:** 300+ exam-like practice questions, Detailed explanations for answers, Covers 6 key exam categories, Tag questions for quick review, Immediate progress feedback, Study anytime, anywhere

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| COE Exam Prep | $99.99 | one-time |


### AAO Ophthalmic Education

[App page](https://appshunter.io/ios/app/aao-ophthalmic-education/id1455960271)

Access clinical news, videos, and quizzes on eye disorders and care. Stay updated with daily content tailored to your preferences, and quickly look up information from trusted sources.

**Highlights:** Personalized content feed, Wills Eye Manual lookup, New content alerts, Videos, news articles, quizzes, Bookmark articles and videos, EyeWiki articles

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

**In-app purchases:** none


## Frequently asked questions

### Is COE Prep free?

COE Prep is free to download, with in-app purchases available.

### Is AAO Ophthalmic Education free?

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

### Which has better reviews, COE Prep or AAO Ophthalmic Education?

AAO Ophthalmic Education is rated higher. COE Prep averages 4.8 out of 5 from 89 ratings, while AAO Ophthalmic Education averages 4.9 from 18 ratings.

### Do COE Prep or AAO Ophthalmic Education have ads?

Neither COE Prep nor AAO Ophthalmic Education shows ads.

### Which is updated more often, COE Prep or AAO Ophthalmic Education?

COE Prep ships an update every 3 weeks, and AAO Ophthalmic Education every 3 months. Most recently, COE Prep was updated on October 31, 2026 and AAO Ophthalmic Education 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.*