# ASTB Prep vs OAR Exam Prep 2026

The clearest difference is update cadence: ASTB Prep at fortnightly against OAR Exam Prep 2026's every 4 months. ASTB Prep also leads on ratings volume (458 vs 11) and rating (4.9 vs 4.6). OAR Exam Prep 2026's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. ASTB Prep sells 2 one-off in-app purchases and OAR Exam 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.

ASTB Prep holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: ASTB Prep has 458 ratings behind it against 11, so its average is the more settled of the two.

ASTB Prep ships an update fortnightly, OAR Exam Prep 2026 every 4 months. The most recent releases landed on November 11, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | ASTB Prep | OAR Exam Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (458 ratings)](https://appshunter.io/ios/app/astb-prep/id1549216388/reviews)** | [4.6 (11 ratings)](https://appshunter.io/ios/app/oar-exam-prep-2026/id6746040880/reviews) |
| Number of ratings | **458** | 11 |
| Positive reviews | 93.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 816 MB | 54 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Alex Hastings](https://appshunter.io/developer/1549216390) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## What reviewers say

### ASTB Prep

[App page](https://appshunter.io/ios/app/astb-prep/id1549216388)

Prepare for military aviation exams with comprehensive lessons, practice tests, and realistic simulators. Track your progress and study offline for the ASTB-E and OAR tests.

**Highlights:** Comprehensive lessons for ASTB-E and OAR, 1200+ sample test questions with explanations, Adaptive practice tests, Realistic PBM simulators (DLT, UAV, TI, RC), Offline content access, Progress tracking, Controller support for simulators

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Joystick Functionality | Free | one-time |
| Full Access | $39.99 | one-time |

**What reviewers like**

- 🚀 Great tool for ASTB prep
- 👍 Comprehensive study materials
- 🚀 Helpful simulators for PBM
- 🚀 Improved test scores
- 👍 Detailed lessons and practice tests

**What reviewers complain about**

- 🐛 Some math/physics questions have incorrect answers
- 🐛 UAV simulator not fully accurate to real test
- 🐛 Stick and throttle simulator needs improvement

**Reported bugs**

- Mechanical comprehension test has 30 questions, not 20
- Terrain identification section has occasional screen color issues

**Requested features**

- Option to disable timer for terrain identification
- Ability to configure duration of correct answer display
- Add audio for UAV portion to simulate real test experience
- Include emergency scenario training for UAV


### OAR Exam Prep 2026

[App page](https://appshunter.io/ios/app/oar-exam-prep-2026/id6746040880)

Prepare for the Officer Aptitude Rating (OAR) exam with a comprehensive test prep program. Access an extensive question bank, detailed explanations, and simulated exams to build confidence and enhance your military career readiness. Features include progress tracking and customizable study plans for effective learning.

**Highlights:** Up-to-date content for 2026, Extensive question bank, Detailed explanations for answers, Progress tracking and analytics, Customizable study plans, Simulated exam mode, Continuous updates

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OAR Weekly Full Access | $8.99 | per 7 days |
| OAR Monthly Full Access | $24.99 | per month |
| OAR Monthly Full Access | $24.99 | per month |
| OAR Quarterly Full Access | $49.99 | per 3 months |
| OAR Quarterly Full Access | $49.99 | per 3 months |
| OAR Semiannual Full Access | $79.99 | per 6 months |
| OAR Semiannual Full Access | $79.99 | per 6 months |
| OAR Annual Full Access | $99.99 | per year |
| OAR Annual Full Access | $99.99 | per year |


## Frequently asked questions

### Is ASTB Prep free?

ASTB Prep is free to download, with in-app purchases available.

### Is OAR Exam Prep 2026 free?

OAR Exam Prep 2026 is free to download, with in-app purchases available.

### Which has better reviews, ASTB Prep or OAR Exam Prep 2026?

ASTB Prep is rated higher. ASTB Prep averages 4.9 out of 5 from 458 ratings, while OAR Exam Prep 2026 averages 4.6 from 11 ratings.

### Do ASTB Prep or OAR Exam Prep 2026 have ads?

Neither ASTB Prep nor OAR Exam Prep 2026 shows ads.

### Which is updated more often, ASTB Prep or OAR Exam Prep 2026?

ASTB Prep ships an update fortnightly, and OAR Exam Prep 2026 every 4 months. Most recently, ASTB Prep was updated on November 11, 2026 and OAR Exam Prep 2026 on November 6, 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.*