# Crack OAT Optometry Test Prep vs Glasses 2 Contacts

The clearest difference is review sentiment: Crack OAT Optometry Test Prep at 90% against Glasses 2 Contacts's 0%. Crack OAT Optometry Test Prep also leads on ads (none vs shown) and ratings volume (38 vs 2). Glasses 2 Contacts's advantage is rating (5.0 vs 4.4) and iOS requirement (13.4 vs 26.0). On price, in-app purchases and device support there is nothing between them.

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

Glasses 2 Contacts holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Crack OAT Optometry Test Prep has 38 ratings behind it against 2, 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 0% of Glasses 2 Contacts'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, Glasses 2 Contacts every 12 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Crack OAT Optometry Test Prep | Glasses 2 Contacts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (38 ratings)](https://appshunter.io/ios/app/crack-oat-optometry-test-prep/id1323462344/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/glasses-2-contacts/id1444361235/reviews)** |
| Number of ratings | **38** | 2 |
| Positive reviews | **90.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 12 months |
| Monetization | **Free** | Ad-supported |
| Size | 32 MB | 20 MB |
| Requires iOS | 26.0 | **13.4** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Crack Exam Preparation Software, LLC](https://appshunter.io/developer/1076616463) | [Hoang Harry Tran](https://appshunter.io/developer/1444361234) |

## 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


### Glasses 2 Contacts

[App page](https://appshunter.io/ios/app/glasses-2-contacts/id1444361235)

This educational tool helps students convert glasses prescriptions to contact lens prescriptions. It offers accurate results with a user-friendly layout and includes keratometry input for fitting guidance. The app is completely free to use for learning purposes.

**Highlights:** Prescription conversion, Keratometry input, Fitting guidance, User-friendly layout, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 Glasses 2 Contacts free?

Glasses 2 Contacts is free to download, with no in-app purchases.

### Which has better reviews, Crack OAT Optometry Test Prep or Glasses 2 Contacts?

Glasses 2 Contacts is rated higher. Crack OAT Optometry Test Prep averages 4.4 out of 5 from 38 ratings, while Glasses 2 Contacts averages 5.0 from 2 ratings.

### Do Crack OAT Optometry Test Prep or Glasses 2 Contacts have ads?

Glasses 2 Contacts shows ads; Crack OAT Optometry Test Prep does not.

### Which is updated more often, Crack OAT Optometry Test Prep or Glasses 2 Contacts?

Crack OAT Optometry Test Prep ships an update every 5 months, and Glasses 2 Contacts every 12 months. Most recently, Crack OAT Optometry Test Prep was updated on October 24, 2026 and Glasses 2 Contacts on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*