# CNA Test Prep vs Clinical Odyssey

The clearest difference is rating: Clinical Odyssey at 4.6 against CNA Test Prep's 3.2. Clinical Odyssey also leads on update cadence (monthly vs every 119 months) and review sentiment (36% vs 18%). CNA Test Prep's advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. CNA Test Prep sells 4 one-off in-app purchases and Clinical Odyssey sells 4 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Clinical Odyssey holds the better App Store score, 4.6 against 3.2. Both are backed by a comparable volume of ratings — 17 and 29 respectively. Written reviews point the same way: 18% of CNA Test Prep's written reviews are positive against 36% of Clinical Odyssey's.

CNA Test Prep ships an update every 119 months, Clinical Odyssey monthly. The most recent releases landed on October 18, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CNA Test Prep | Clinical Odyssey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (17 ratings)](https://appshunter.io/ios/app/cna-test-prep/id673135088/reviews) | **[4.6 (29 ratings)](https://appshunter.io/ios/app/clinical-odyssey/id1607229099/reviews)** |
| Number of ratings | 17 | **29** |
| Positive reviews | 18.2% of reviews | **36.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | Every 119 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 32 MB | 161 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Med Preps LLC](https://appshunter.io/developer/537568868) | [Medical Joyworks LLC](https://appshunter.io/developer/803816939) |

## What reviewers say

### CNA Test Prep

[App page](https://appshunter.io/ios/app/cna-test-prep/id673135088)

Prepare for your Certified Nursing Assistant (CNA) exam with a comprehensive bank of over 900 practice questions. Access content offline, utilize gamified learning modes, and focus on your weakest areas for effective study. Multiple access tiers are available as one-time purchases.

**Highlights:** 900+ practice questions, Offline access, Gamified Game View, Quick Start mode, Review incorrect/flagged questions, Accuracy and mastery scores

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CNA Test Prep Pro Version | $4.99 | one-time |
| 48-Hour Access | $7.99 | one-time |
| 30-Day Access | $19.99 | one-time |
| Unlimited Access | $34.99 | one-time |


### Clinical Odyssey

[App page](https://appshunter.io/ios/app/clinical-odyssey/id1607229099)

Engage in over 600 medical games to diagnose and treat patients, comparing your performance with thousands of other professionals. Access expert-written explanations to master optimal diagnostic and management strategies.

**Highlights:** Over 600 diagnostic games, Patient treatment simulations, Performance comparison with professionals, Expert-written medical explanations, Skill practice and mastery

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Experience (200 Games) | $7.99 | per month |
| Full Suite (600+ Games) | $19.99 | per month |
| Full Suite Quarterly | $49.99 | per 3 months |
| Full Suite Annual | $179.99 | per year |


## Frequently asked questions

### Is CNA Test Prep free?

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

### Is Clinical Odyssey free?

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

### Which has better reviews, CNA Test Prep or Clinical Odyssey?

Clinical Odyssey is rated higher. CNA Test Prep averages 3.2 out of 5 from 17 ratings, while Clinical Odyssey averages 4.6 from 29 ratings.

### Which is updated more often, CNA Test Prep or Clinical Odyssey?

CNA Test Prep ships an update every 119 months, and Clinical Odyssey monthly. Most recently, CNA Test Prep was updated on October 18, 2026 and Clinical Odyssey on October 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.*