# Sonography ARDMS Prep vs Quantum Horizon

The clearest difference is in-app purchases: Quantum Horizon at none against Sonography ARDMS Prep's 4. Sonography ARDMS Prep's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Sonography ARDMS Prep sells 4 in-app purchases, starting at $6.99 per 7 days. Quantum Horizon asks for nothing beyond the download.

## The numbers

| Metric | Sonography ARDMS Prep | Quantum Horizon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Size | 25 MB | 104 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) | [Abdulrazaq Alonazi](https://appshunter.io/developer/6777268858) |

## What reviewers say

### Sonography ARDMS Prep

[App page](https://appshunter.io/ios/app/sonography-ardms-prep/id6779027460)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sonography Weekly | $6.99 | per 7 days |
| Sonography Monthly | $16.99 | per month |
| Sonography Yearly | $39.99 | per year |
| Sonography Lifetime | $79.99 | one-time |


### Quantum Horizon

[App page](https://appshunter.io/ios/app/quantum-horizon/id6794488982)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sonography ARDMS Prep free?

Sonography ARDMS Prep is free to download, with in-app purchases available.

### Is Quantum Horizon free?

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

### Do Sonography ARDMS Prep or Quantum Horizon have ads?

Quantum Horizon shows ads; Sonography ARDMS Prep does not.

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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.*