# VOR Simulator Pro vs CheckPrep

The clearest difference is in-app purchases: VOR Simulator Pro at none against CheckPrep's 6. VOR Simulator Pro also leads on ratings volume (15 vs 4) and iOS requirement (15.0 vs 26.2). CheckPrep's advantage is update cadence (every 2 days vs every 2 months) and rating (5.0 vs 4.8). On price, ads and device support there is nothing between them.

Both are free to download. CheckPrep sells 6 one-off in-app purchases. VOR Simulator Pro asks for nothing beyond the download.

CheckPrep holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 15 and 4 respectively.

VOR Simulator Pro ships an update every 2 months, CheckPrep every 2 days. The most recent releases landed on September 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | VOR Simulator Pro | CheckPrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (15 ratings)](https://appshunter.io/ios/app/vor-simulator-pro/id6743936925/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/checkprep/id6760047738/reviews)** |
| Number of ratings | **15** | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 169 MB | 11 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pilot Institute](https://appshunter.io/developer/1476913751) | [Robert Rousey](https://appshunter.io/developer/1882505671) |

## What reviewers say

### VOR Simulator Pro

[App page](https://appshunter.io/ios/app/vor-simulator-pro/id6743936925)

Master radio navigation with this VOR simulator. Practice realistic dual VOR positioning and authentic navigation features like To/From indicators and Cone of Confusion effects. Ideal for pilots and aviation enthusiasts to hone skills on the ground.

**Highlights:** Dual VOR positioning practice, To/From indicators, Cone of Confusion effects, Radial interception, HSI or CDI displays, Three aircraft models

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

**In-app purchases:** none


### CheckPrep

[App page](https://appshunter.io/ios/app/checkprep/id6760047738)

Prepare for your pilot checkride oral exams with this app. It's structured around the FAA Airman Certification Standards (ACS) and includes searchable regulations, adaptive quizzes, and real-world scenario trainers. Track your progress and know when you're ready.

**Highlights:** FAA ACS structured study, Searchable FAR, AIM, and FAA documents, Offline study and bookmarking, Adaptive flashcards and quizzes, METAR, TAF, and PIREP interpretation, ATC clearance trainers, Progress tracking (0-100%)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cessna 172SP Content | $19.99 | one-time |
| Cirrus SR20 G7+ Content | $19.99 | one-time |
| Diamond DA42 NG Content | $19.99 | one-time |
| Commercial Multi Add-On Package | $59.99 | one-time |
| Commercial Package | $59.99 | one-time |
| Instrument Package | $59.99 | one-time |


## Frequently asked questions

### Is VOR Simulator Pro free?

VOR Simulator Pro is free to download, with no in-app purchases.

### Is CheckPrep free?

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

### Which has better reviews, VOR Simulator Pro or CheckPrep?

CheckPrep is rated higher. VOR Simulator Pro averages 4.8 out of 5 from 15 ratings, while CheckPrep averages 5.0 from 4 ratings.

### Do VOR Simulator Pro or CheckPrep have ads?

Neither VOR Simulator Pro nor CheckPrep shows ads.

### Which is updated more often, VOR Simulator Pro or CheckPrep?

VOR Simulator Pro ships an update every 2 months, and CheckPrep every 2 days. Most recently, VOR Simulator Pro was updated on September 25, 2026 and CheckPrep on September 30, 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.*