# EMS iCert Prep vs One Course

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

Both are free to download. EMS iCert Prep sells 3 in-app purchases, starting at $24.99 per 3 months. One Course asks for nothing beyond the download.

## The numbers

| Metric | EMS iCert Prep | One Course |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 168 MB | 40 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [iCert Inc.](https://appshunter.io/developer/1650970619) | [One Course Pty Ltd](https://appshunter.io/developer/1864853486) |

## What reviewers say

### EMS iCert Prep

[App page](https://appshunter.io/ios/app/ems-icert-prep/id6560117227)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Month Resource & Exam Access | $24.99 | per 3 months |
| 6-Month Resource & Exam Access | $39.99 | per 6 months |
| Annual Resource & Exam Access | $59.99 | per year |


### One Course

[App page](https://appshunter.io/ios/app/one-course/id6757144880)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EMS iCert Prep free?

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

### Is One Course free?

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

### Do EMS iCert Prep or One Course have ads?

Neither EMS iCert Prep nor One Course 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.*