# Essentials iCert Prep vs Ace CDLmaster

The clearest difference is in-app purchases: Ace CDLmaster at none against Essentials iCert Prep's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Essentials iCert Prep sells 3 in-app purchases, starting at $34.99 per 3 months. Ace CDLmaster asks for nothing beyond the download.

## The numbers

| Metric | Essentials iCert Prep | Ace CDLmaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 165 MB | 37 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iCert Inc.](https://appshunter.io/developer/1650970619) | [Hansel Andujar](https://appshunter.io/developer/1888650557) |

## What reviewers say

### Essentials iCert Prep

[App page](https://appshunter.io/ios/app/essentials-icert-prep/id6572293506)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Month Resource & Exam Access | $34.99 | per 3 months |
| 6-Month Resource & Exam Access | $49.99 | per 6 months |
| Annual Resource & Exam Access | $79.99 | per year |


### Ace CDLmaster

[App page](https://appshunter.io/ios/app/ace-cdlmaster/id6761285374)

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

**In-app purchases:** none


## Frequently asked questions

### Is Essentials iCert Prep free?

Essentials iCert Prep is free to download, with in-app purchases available.

### Is Ace CDLmaster free?

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

### Do Essentials iCert Prep or Ace CDLmaster have ads?

Neither Essentials iCert Prep nor Ace CDLmaster 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.*