# Crack OAT Optometry Test Prep vs Digital Phoropter

The clearest difference is in-app purchases: Crack OAT Optometry Test Prep at none against Digital Phoropter's 5. Crack OAT Optometry Test Prep also leads on rating (4.4 vs 4.0) and ratings volume (37 vs 3). Digital Phoropter's advantage is update cadence (every 6 weeks vs every 5 months) and review sentiment (100% vs 90%). On price and ads there is nothing between them.

Both are free to download. Digital Phoropter sells 5 in-app purchases, starting at $4.99 per month. Crack OAT Optometry Test Prep asks for nothing beyond the download.

Crack OAT Optometry Test Prep holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Crack OAT Optometry Test Prep has 37 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 90% of Crack OAT Optometry Test Prep's written reviews are positive against 100% of Digital Phoropter's, so the app with the better star average is not the one people write more warmly about.

Crack OAT Optometry Test Prep ships an update every 5 months, Digital Phoropter every 6 weeks. The most recent releases landed on July 7, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Crack OAT Optometry Test Prep | Digital Phoropter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (37 ratings)](https://appshunter.io/ios/app/crack-oat-optometry-test-prep/id1323462344/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/digital-phoropter/id1555952495/reviews) |
| Number of ratings | **37** | 3 |
| Positive reviews | 90.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 32 MB | 275 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Crack Exam Preparation Software, LLC](https://appshunter.io/developer/1076616463) | [Ronald Baks](https://appshunter.io/developer/1555952042) |

## What reviewers say

### Crack OAT Optometry Test Prep

[App page](https://appshunter.io/ios/app/crack-oat-optometry-test-prep/id1323462344)

Prepare for the Optometry Admission Test with extensive video crash courses, over 20,000 flashcards, and numerous practice tests. This tool aims to help you score higher and save study time, increasing your chances of acceptance into optometry school.

**Highlights:** 100+ hours of OAT crash course videos, Over 20,000 OAT flashcards, Simulate OAT with practice tests, 3000+ practice questions with explanations, Full-length diagnostic tests, Improve test-taking skills

**In-app purchases:** none


### Digital Phoropter

[App page](https://appshunter.io/ios/app/digital-phoropter/id1555952495)

Practice and master refractive techniques with a virtual eye examination tool. Explore over two billion virtual test subjects and refine your skills with precise digital controls. Ideal for students, educators, and eye care professionals.

**Highlights:** Virtual refraction room, Over 2 billion virtual test subjects, 35+ movement directions, Spherical and cylindrical corrections, Realistic chat interactions, Generate and share refraction codes

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access 1 Month | $4.99 | per month |
| Basic Access | $14.49 | per year |
| Full Access 20% Off | $19.99 | per year |
| Full Access | $24.99 | per year |
| Full Access | $24.99 | per year |


## Frequently asked questions

### Is Crack OAT Optometry Test Prep free?

Crack OAT Optometry Test Prep is free to download, with no in-app purchases.

### Is Digital Phoropter free?

Digital Phoropter is free to download, with in-app purchases available.

### Which has better reviews, Crack OAT Optometry Test Prep or Digital Phoropter?

Crack OAT Optometry Test Prep is rated higher. Crack OAT Optometry Test Prep averages 4.4 out of 5 from 37 ratings, while Digital Phoropter averages 4.0 from 3 ratings.

### Do Crack OAT Optometry Test Prep or Digital Phoropter have ads?

Neither Crack OAT Optometry Test Prep nor Digital Phoropter shows ads.

### Which is updated more often, Crack OAT Optometry Test Prep or Digital Phoropter?

Crack OAT Optometry Test Prep ships an update every 5 months, and Digital Phoropter every 6 weeks. Most recently, Crack OAT Optometry Test Prep was updated on July 7, 2026 and Digital Phoropter on September 7, 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.*