# C vs CertPrep

The clearest difference is in-app purchases: C at none against CertPrep's 1. On price, ads, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | C | CertPrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/c-unit-studio/id6463494432/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 69 MB | 4 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [C-unit Studio](https://appshunter.io/developer/1704487008) | [Jan Roldan Hernandez](https://appshunter.io/developer/1896444338) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-unit-studio/id6463494432)

Manage your account, register for classes, and stay updated on events and announcements. This app provides an easy, on-the-go way to access studio information and manage communications directly from your smartphone.

**Highlights:** Account management, Class registration, Event sign-ups, Receive notifications, View announcements, Manage communications

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

**In-app purchases:** none


### CertPrep

[App page](https://appshunter.io/ios/app/certprep-snow-admin/id6775249208)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ServiceNow CSA Premium | $3.99 | one-time |


## Frequently asked questions

### Is C free?

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

### Is CertPrep free?

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

### Do C or CertPrep have ads?

Neither C nor CertPrep 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.*