# Maxxer IQ vs CertPrep

The clearest difference is in-app purchases: Maxxer IQ at none against CertPrep's 1. Maxxer IQ also leads on iOS requirement (13.0 vs 17.0). CertPrep's advantage is device support. On price there is nothing between them.

Both are free to download. CertPrep sells 1 one-off in-app purchase. Maxxer IQ asks for nothing beyond the download.

## The numbers

| Metric | Maxxer IQ | CertPrep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Size | 27 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Shawn Revels](https://appshunter.io/developer/1429958152) | [Jan Roldan Hernandez](https://appshunter.io/developer/1896444338) |

## What reviewers say

### Maxxer IQ

[App page](https://appshunter.io/ios/app/maxxer-iq/id6760924984)

**In-app purchases:** none


### CertPrep

[App page](https://appshunter.io/ios/app/certprep-osha-certification/id6776306880)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CertPrep OSHA Premium | $3.99 | one-time |


## Frequently asked questions

### Is Maxxer IQ free?

Maxxer IQ is free to download, with no in-app purchases.

### Is CertPrep free?

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

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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.*