# CEN Study Guide 2026 vs CNA Prep 2026

The clearest difference is update cadence: CNA Prep 2026 at every 5 days against CEN Study Guide 2026's every 9 months. CEN Study Guide 2026's advantage is iOS requirement (14.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CEN Study Guide 2026 sells 4 in-app purchases, starting at $4.99 per 7 days and CNA Prep 2026 sells 3 in-app purchases, starting at $13.99 per month. Whichever you choose, the download price is not the number that matters.

CEN Study Guide 2026 ships an update every 9 months, CNA Prep 2026 every 5 days. The most recent releases landed on September 19, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | CEN Study Guide 2026 | CNA Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 days** |
| Size | 128 MB | 40 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [KYLIEPREP](https://appshunter.io/developer/1709105434) | [Anthony Chui](https://appshunter.io/developer/6779802641) |

## What reviewers say

### CEN Study Guide 2026

[App page](https://appshunter.io/ios/app/cen-study-guide-2026/id6615085273)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $4.99 | per 7 days |
| 1 Month Special Offer | $7.49 | per month |
| 1 Month | $14.99 | per month |
| 3 Months | $39.99 | per 3 months |


### CNA Prep 2026

[App page](https://appshunter.io/ios/app/cna-prep-2026-practice-test/id6792845433)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $13.99 | per month |
| Pro Yearly | $41.99 | per year |
| Pro Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is CEN Study Guide 2026 free?

CEN Study Guide 2026 is free to download, with in-app purchases available.

### Is CNA Prep 2026 free?

CNA Prep 2026 is free to download, with in-app purchases available.

### Do CEN Study Guide 2026 or CNA Prep 2026 have ads?

Neither CEN Study Guide 2026 nor CNA Prep 2026 shows ads.

### Which is updated more often, CEN Study Guide 2026 or CNA Prep 2026?

CEN Study Guide 2026 ships an update every 9 months, and CNA Prep 2026 every 5 days. Most recently, CEN Study Guide 2026 was updated on September 19, 2026 and CNA Prep 2026 on September 24, 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.*