# CPC Certification Prep vs GradeGrow

The clearest difference is price: GradeGrow at Free against CPC Certification Prep's $9.99. CPC Certification Prep's advantage is iOS requirement (13.4 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

GradeGrow is free to download; CPC Certification Prep costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CPC Certification Prep | GradeGrow |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 18 MB | 205 MB |
| Requires iOS | **13.4** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Daniel Laframboise](https://appshunter.io/developer/1741657260) | [Gyamfi Martins](https://appshunter.io/developer/1883544330) |

## What reviewers say

### CPC Certification Prep

[App page](https://appshunter.io/ios/app/cpc-certification-prep/id6502245598)

**Features:** macOS Compatibility

**In-app purchases:** none


### GradeGrow

[App page](https://appshunter.io/ios/app/gradegrow/id6789466969)

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

**In-app purchases:** none


## Frequently asked questions

### Is CPC Certification Prep free?

CPC Certification Prep costs $9.99, with no in-app purchases.

### Is GradeGrow free?

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

### Do CPC Certification Prep or GradeGrow have ads?

Neither CPC Certification Prep nor GradeGrow 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.*