# NIHCertification vs NASM CES Corrective Prep

The clearest difference is iOS requirement: NASM CES Corrective Prep at 13.0 against NIHCertification's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NIHCertification sells 1 one-off in-app purchase and NASM CES Corrective Prep sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | NIHCertification | NASM CES Corrective Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 75 MB | 26 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NATIONAL INSTITUTE OF HEALTHCAREER CERTIFICATION LLC](https://appshunter.io/developer/1884704912) | [fly sky pty ltd](https://appshunter.io/developer/1838696534) |

## What reviewers say

### NIHCertification

[App page](https://appshunter.io/ios/app/nihcertification/id6760490731)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PTCB Reinstate | $649.99 | one-time |


### NASM CES Corrective Prep

[App page](https://appshunter.io/ios/app/nasm-ces-corrective-prep/id6782509954)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Corrective Exercise Specialist | $6.99 | per 7 days |
| Corrective Exercise Specialist | $16.99 | per month |
| Corrective Exercise Specialist | $69.99 | one-time |


## Frequently asked questions

### Is NIHCertification free?

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

### Is NASM CES Corrective Prep free?

NASM CES Corrective Prep is free to download, with in-app purchases available.

### Do NIHCertification or NASM CES Corrective Prep have ads?

Neither NIHCertification nor NASM CES Corrective Prep shows ads.

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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.*