# USCG Exam Prep vs CBDR

The clearest difference is rating: CBDR at 5.0 against USCG Exam Prep's 3.4. CBDR also leads on in-app purchases (none vs 3) and update cadence (every 5 days vs every 6 months). USCG Exam Prep's advantage is iOS requirement (13.4 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. USCG Exam Prep sells 3 one-off in-app purchases. CBDR asks for nothing beyond the download.

CBDR holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 10 and 5 respectively.

USCG Exam Prep ships an update every 6 months, CBDR every 5 days. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | USCG Exam Prep | CBDR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (10 ratings)](https://appshunter.io/ios/app/uscg-exam-prep/id1579535924/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/cbdr/id6792199258/reviews)** |
| Number of ratings | **10** | 5 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 40 MB | 77 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Equitable Management Limited](https://appshunter.io/developer/1698760016) | [Sean Bowman](https://appshunter.io/developer/6792199260) |

## What reviewers say

### USCG Exam Prep

[App page](https://appshunter.io/ios/app/uscg-exam-prep/id1579535924)

Prepare for U.S. Coast Guard and FCC license exams with a comprehensive study platform. Access thousands of questions, track your progress, and take practice exams offline. Sync your learning across app and web versions.

**Highlights:** Access to USCG and FCC license exam questions, Progress tracking by study category, Tag questions for later review, Search and filter questions, Fully offline functionality, Generate random practice exams, Sync progress with website

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $9.99 | one-time |
| Standard | $24.99 | one-time |
| Premium | $39.99 | one-time |


### CBDR

[App page](https://appshunter.io/ios/app/cbdr/id6792199258)

This app trains junior deck officers and watchstanders in essential radar watch skills, including contact evaluation, COLREGS classification, and generating contact reports. It features a live radar scope, generated scenarios for various navigation situations, and drills for recognition and maneuvering.

**Highlights:** Live radar scope with vectors and trails, Generated navigation scenarios, COLREGS classification, Contact report scoring, Maneuvering board drills, Recognition drills, USCG Rules of the Road test bank, Offline group testing

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

**In-app purchases:** none


## Frequently asked questions

### Is USCG Exam Prep free?

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

### Is CBDR free?

CBDR is free to download, with no in-app purchases.

### Which has better reviews, USCG Exam Prep or CBDR?

CBDR is rated higher. USCG Exam Prep averages 3.4 out of 5 from 10 ratings, while CBDR averages 5.0 from 5 ratings.

### Do USCG Exam Prep or CBDR have ads?

Neither USCG Exam Prep nor CBDR shows ads.

### Which is updated more often, USCG Exam Prep or CBDR?

USCG Exam Prep ships an update every 6 months, and CBDR every 5 days. Most recently, USCG Exam Prep was updated on September 30, 2026 and CBDR on October 5, 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.*