# Crash Course vs OAT Optometry Test Prep 2026

The clearest difference is ratings volume: Crash Course at 1.6K against OAT Optometry Test Prep 2026's 1. OAT Optometry Test Prep 2026's advantage is update cadence (every 2 months vs every 4 months). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Crash Course sells 13 one-off in-app purchases and OAT Optometry Test Prep 2026 sells 9 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

OAT Optometry Test Prep 2026 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Crash Course has 1.6K ratings behind it against 1, so its average is the more settled of the two.

Crash Course ships an update every 4 months, OAT Optometry Test Prep 2026 every 2 months. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Crash Course | OAT Optometry Test Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.6K ratings)](https://appshunter.io/ios/app/crash-course-watch-and-study/id1505594172/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oat-optometry-test-prep-2026/id6748830183/reviews)** |
| Number of ratings | **1.6K** | 1 |
| Positive reviews | 75.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 146 MB | 52 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Complexly LLC](https://appshunter.io/developer/1505594171) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## What reviewers say

### Crash Course

[App page](https://appshunter.io/ios/app/crash-course-watch-and-study/id1505594172)

Access thousands of free educational videos covering humanities and sciences. Enhance your learning with supplemental flashcards and quizzes for select courses. Join a community dedicated to making education fun and engaging.

**Highlights:** Thousands of educational videos, High school and college level courses, Humanities and sciences subjects, Supplemental flashcards, Quizzes for review, Community of learners

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contribute $1.99 | $1.99 | one-time |
| Contribute Tier 1 | $1.99 | one-time |
| Contribute $4.99 | $4.99 | one-time |
| Contribute Tier 2 | $4.99 | one-time |
| Contribute Tier 3 | $9.99 | one-time |
| Contribute Tier 4 | $14.99 | one-time |
| Contribute Tier 5 | $19.99 | one-time |
| Contribute Tier 6 | $24.99 | one-time |
| Contribute Tier 7 | $29.99 | one-time |
| Contribute Tier 8 | $39.99 | one-time |
| Contribute Tier 9 | $49.99 | one-time |
| Contribute Tier 10 | $59.99 | one-time |
| Contribute Tier 14 | $99.99 | one-time |

**What reviewers like**

- 🙌 Helpful for students
- 🎓 Great for learning difficult topics
- 💕 High-quality, engaging content
- 🆓 Completely free to use
- 🙏 Grateful for the free education

**What reviewers complain about**

- 🐛 Bugs and crashes
- 🔍 Limited course selection
- 🔄 Trouble downloading/accessing content
- 🔒 App is marked 17+, should be more accessible

**Reported bugs**

- Courses disappearing after updates
- Search function not working
- Trouble downloading content
- App crashing during use

**Requested features**

- Add math and English courses
- Expand course selection
- Improve search functionality
- Allow offline video viewing
- Add progress tracking and favorites


### OAT Optometry Test Prep 2026

[App page](https://appshunter.io/ios/app/oat-optometry-test-prep-2026/id6748830183)

Prepare for the Optometry Admission Test with a comprehensive study tool. Access an extensive question bank, detailed explanations, and progress tracking to identify strengths and weaknesses. Features include customizable study plans and simulated exam modes to build confidence for your optometry school journey.

**Highlights:** Up-to-date content, Extensive question bank, Detailed explanations, Progress tracking, Customizable study plans, Simulated exam mode

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OAT Test Weekly Full Access | $8.99 | per 7 days |
| OAT Monthly Full Access | $24.99 | per month |
| OAT Monthly Full Access | $24.99 | per month |
| OAT Quarterly Full Access | $55.99 | per 3 months |
| OAT Quarterly Full Access | $59.99 | per 3 months |
| OAT Semiannual Full Access | $75.99 | per 6 months |
| OAT Semiannual Full Access | $79.99 | per 6 months |
| OAT Annual Full Access | $109.99 | per year |
| OAT Annual Full Access | $119.99 | per year |


## Frequently asked questions

### Is Crash Course free?

Crash Course is free to download, with in-app purchases available.

### Is OAT Optometry Test Prep 2026 free?

OAT Optometry Test Prep 2026 is free to download, with in-app purchases available.

### Which has better reviews, Crash Course or OAT Optometry Test Prep 2026?

OAT Optometry Test Prep 2026 is rated higher. Crash Course averages 4.8 out of 5 from 1.6K ratings, while OAT Optometry Test Prep 2026 averages 5.0 from 1 ratings.

### Do Crash Course or OAT Optometry Test Prep 2026 have ads?

Neither Crash Course nor OAT Optometry Test Prep 2026 shows ads.

### Which is updated more often, Crash Course or OAT Optometry Test Prep 2026?

Crash Course ships an update every 4 months, and OAT Optometry Test Prep 2026 every 2 months. Most recently, Crash Course was updated on October 20, 2026 and OAT Optometry Test Prep 2026 on October 14, 2026.

---

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