# Booster Prep vs OAT Optometry Test Prep 2026

The clearest difference is ratings volume: Booster Prep at 721 against OAT Optometry Test Prep 2026's 1. Booster Prep also leads on update cadence (fortnightly vs every 2 months). OAT Optometry Test Prep 2026's advantage is rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Booster Prep sells 7 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: Booster Prep has 721 ratings behind it against 1, so its average is the more settled of the two.

Booster Prep ships an update fortnightly, OAT Optometry Test Prep 2026 every 2 months. The most recent releases landed on October 14, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Booster Prep | OAT Optometry Test Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (721 ratings)](https://appshunter.io/ios/app/booster-prep/id6446200474/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oat-optometry-test-prep-2026/id6748830183/reviews)** |
| Number of ratings | **721** | 1 |
| Positive reviews | 60.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 54 MB | 52 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Booster Prep Inc.](https://appshunter.io/developer/1676590927) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## What reviewers say

### Booster Prep

[App page](https://appshunter.io/ios/app/booster-prep/id6446200474)

Access comprehensive question banks and high-quality educational videos for dental and medical school entrance exams. Study efficiently on the go with seamless integration to your existing account.

**Highlights:** Comprehensive question banks, High-quality educational videos, Seamless account integration, User-friendly interface, Mobile exam preparation

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +5 Additional Perceptual Tests | $45.00 | one-time |
| +5 Additional Org Chem Tests | $45.00 | one-time |
| +5 Reading Comprehension Tests | $45.00 | one-time |
| +5 Quant Reasoning Tests | $45.00 | one-time |
| +5 Additional GenChem Tests | $45.00 | one-time |
| +5 QuantReasoning Tests | $45.00 | one-time |
| +5 Full Length Tests | $130.99 | one-time |

**What reviewers like**

- 📚 Excellent study materials and comprehensive content
- 🎥 Clear, well-explained videos for complex topics
- 📱 Convenient mobile access for studying on-the-go
- ✅ Accurate practice questions reflecting actual exams
- 🧭 Easy navigation and progress tracking

**What reviewers complain about**

- 💰 High subscription costs ($399-$699) not disclosed upfront
- 🔒 No offline access or download capability
- 🐛 Frequent crashes and freezing issues
- 📺 Screen-only reading not ideal for extended study sessions
- 📱 Mobile version lacks features available on desktop

**Reported bugs**

- App crashes frequently, especially during games/practice questions
- App freezes and requires phone restart
- Buggy interface with crashes after practice questions
- False update notifications despite having latest version
- Server-side errors preventing app functionality

**Requested features**

- Study guides and notes on mobile version
- Cheat sheets accessible on mobile
- Practice tests on mobile app
- Video download capability for offline viewing
- PAT generators on mobile


### 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 Booster Prep free?

Booster Prep 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, Booster Prep or OAT Optometry Test Prep 2026?

OAT Optometry Test Prep 2026 is rated higher. Booster Prep averages 4.8 out of 5 from 721 ratings, while OAT Optometry Test Prep 2026 averages 5.0 from 1 ratings.

### Do Booster Prep or OAT Optometry Test Prep 2026 have ads?

Neither Booster Prep nor OAT Optometry Test Prep 2026 shows ads.

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

Booster Prep ships an update fortnightly, and OAT Optometry Test Prep 2026 every 2 months. Most recently, Booster Prep was updated on October 14, 2026 and OAT Optometry Test Prep 2026 on September 28, 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.*