# CEN Practice Test. vs CMSRN Practice Test Prep

The clearest difference is iOS requirement: CEN Practice Test. at 13.0 against CMSRN Practice Test Prep's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CEN Practice Test. sells 1 one-off in-app purchase and CMSRN Practice Test Prep sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | CEN Practice Test. | CMSRN Practice Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 47 MB | 21 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [3328833 Nova Scotia Limited](https://appshunter.io/developer/1757830011) | [iAPPSSTUDIO](https://appshunter.io/developer/1830642259) |

## What reviewers say

### CEN Practice Test.

[App page](https://appshunter.io/ios/app/cen-practice-test/id6741507832)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |


### CMSRN Practice Test Prep

[App page](https://appshunter.io/ios/app/cmsrn-practice-test-prep/id6751037925)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $0.99 | per 7 days |
| Yearly Premium Access | $29.99 | per year |
| Get Lifetime Access | $7.99 | one-time |


## Frequently asked questions

### Is CEN Practice Test. free?

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

### Is CMSRN Practice Test Prep free?

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

### Do CEN Practice Test. or CMSRN Practice Test Prep have ads?

Neither CEN Practice Test. nor CMSRN Practice Test Prep shows ads.

### Which is updated more often, CEN Practice Test. or CMSRN Practice Test Prep?

CEN Practice Test. ships an update every 3 months, and CMSRN Practice Test Prep every 3 months. Most recently, CEN Practice Test. was updated on September 29, 2026 and CMSRN Practice Test Prep on September 28, 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.*