# Vision Source Exchange vs Optometry Boards Prep

The clearest difference is ratings volume: Vision Source Exchange at 169 against Optometry Boards Prep's 2. Vision Source Exchange also leads on update cadence (every 11 months vs every 26 months) and iOS requirement (14 vs 26.0). Optometry Boards Prep's advantage is rating (5.0 vs 4.7). 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.

Optometry Boards Prep holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Vision Source Exchange has 169 ratings behind it against 2, so its average is the more settled of the two.

Vision Source Exchange ships an update every 11 months, Optometry Boards Prep every 26 months. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Vision Source Exchange | Optometry Boards Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (169 ratings)](https://appshunter.io/ios/app/vision-source-exchange/id1457848084/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/optometry-boards-prep/id1594439700/reviews)** |
| Number of ratings | **169** | 2 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 26 months |
| Monetization | Free | Free |
| Size | 101 MB | 32 MB |
| Requires iOS | **14** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Vision Source](https://appshunter.io/developer/1143267672) | [Crack Exam Preparation Software, LLC](https://appshunter.io/developer/1076616463) |

## What reviewers say

### Vision Source Exchange

[App page](https://appshunter.io/ios/app/vision-source-exchange/id1457848084)

This app provides attendees with access to conference details for VS Exchange events. Users can view presentations, connect with exhibitors and other attendees, and take notes directly on presentation slides.

**Highlights:** Access conference details, View presentations, Connect with exhibitors, Network with attendees, Take notes on slides, Draw on presentation slides

**Features:** macOS Compatibility

**In-app purchases:** none


### Optometry Boards Prep

[App page](https://appshunter.io/ios/app/optometry-boards-prep/id1594439700)

Prepare for the NBEO® Part 1 exam with AI-powered study tools. Access practice tests, flashcards, video courses, and personalized study plans to help you earn your OD license. Trusted by over 20,000 students since 2005.

**Highlights:** AI-powered personalized study plans, Full-length practice tests, 5,000+ practice questions, 30+ hours of video courses, 20,000+ digital flashcards, AI Tutor and quiz generator, Performance analytics dashboard

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Vision Source Exchange free?

Vision Source Exchange is free to download, with no in-app purchases.

### Is Optometry Boards Prep free?

Optometry Boards Prep is free to download, with no in-app purchases.

### Which has better reviews, Vision Source Exchange or Optometry Boards Prep?

Optometry Boards Prep is rated higher. Vision Source Exchange averages 4.7 out of 5 from 169 ratings, while Optometry Boards Prep averages 5.0 from 2 ratings.

### Do Vision Source Exchange or Optometry Boards Prep have ads?

Neither Vision Source Exchange nor Optometry Boards Prep shows ads.

### Which is updated more often, Vision Source Exchange or Optometry Boards Prep?

Vision Source Exchange ships an update every 11 months, and Optometry Boards Prep every 26 months. Most recently, Vision Source Exchange was updated on October 6, 2026 and Optometry Boards Prep on October 3, 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.*