# DANB CDA Practice Test vs DANB RHS Exam by Rocket Prep

The clearest difference is ratings volume: DANB CDA Practice Test at 169 against DANB RHS Exam by Rocket Prep's 8. DANB CDA Practice Test also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (13.0 vs 15.1). DANB RHS Exam by Rocket Prep'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. DANB CDA Practice Test sells 2 in-app purchases, starting at $24.99 per month and DANB RHS Exam by Rocket Prep sells 6 in-app purchases, starting at $11.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DANB RHS Exam by Rocket Prep holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: DANB CDA Practice Test has 169 ratings behind it against 8, so its average is the more settled of the two.

DANB CDA Practice Test ships an update every 2 months, DANB RHS Exam by Rocket Prep every 4 months. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | DANB CDA Practice Test | DANB RHS Exam by Rocket Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (169 ratings)](https://appshunter.io/ios/app/danb-cda-practice-test/id1586582804/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/danb-rhs-exam-by-rocket-prep/id6751879893/reviews)** |
| Number of ratings | **169** | 8 |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 36 MB | 42 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [MastrAPI](https://appshunter.io/developer/1618627725) | [Darya Pyzhyk](https://appshunter.io/developer/1799009188) |

## What reviewers say

### DANB CDA Practice Test

[App page](https://appshunter.io/ios/app/danb-cda-practice-test/id1586582804)

Prepare for your national dental assisting certification exam with a personalized study plan. Practice with over 500 questions, track your progress, and compare your scores to the community average. Boost your confidence and aim to pass on your first attempt.

**Highlights:** Personalized study plan, 500+ practice questions, Track strengths and weaknesses, Detailed test statistics, Compare scores to community average, Topic-based learning

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly with Trial | $24.99 | per month |
| Lifetime | $99.99 | one-time |


### DANB RHS Exam by Rocket Prep

[App page](https://appshunter.io/ios/app/danb-rhs-exam-by-rocket-prep/id6751879893)

Prepare for the Radiation Health & Safety (RHS) certification exam with this comprehensive study tool. It offers extensive question banks, detailed explanations, customizable study modes, and progress tracking to help dental assistants master radiographic practices and advance their careers.

**Highlights:** Extensive question bank, Detailed explanations and references, Customizable study modes, Progress tracking and analytics, Expert-led review resources, Active learning tools, Offline access

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RHS Weekly Full Access | $11.99 | per 7 days |
| RHS Monthly Full Access | $27.99 | per month |
| RHS Monthly Full Access | $27.99 | per month |
| DANB_RHS_mock_tries_1 | $4.99 | one-time |
| DANB_RHS_mock_tries_3 | $9.99 | one-time |
| DANB_RHS_mock_tries_5 | $14.99 | one-time |


## Frequently asked questions

### Is DANB CDA Practice Test free?

DANB CDA Practice Test is free to download, with in-app purchases available.

### Is DANB RHS Exam by Rocket Prep free?

DANB RHS Exam by Rocket Prep is free to download, with in-app purchases available.

### Which has better reviews, DANB CDA Practice Test or DANB RHS Exam by Rocket Prep?

DANB RHS Exam by Rocket Prep is rated higher. DANB CDA Practice Test averages 4.8 out of 5 from 169 ratings, while DANB RHS Exam by Rocket Prep averages 5.0 from 8 ratings.

### Do DANB CDA Practice Test or DANB RHS Exam by Rocket Prep have ads?

Neither DANB CDA Practice Test nor DANB RHS Exam by Rocket Prep shows ads.

### Which is updated more often, DANB CDA Practice Test or DANB RHS Exam by Rocket Prep?

DANB CDA Practice Test ships an update every 2 months, and DANB RHS Exam by Rocket Prep every 4 months. Most recently, DANB CDA Practice Test was updated on October 9, 2026 and DANB RHS Exam by Rocket Prep on October 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.*