# ECG Pro | Road to Mastery vs MD Reference

The clearest difference is rating: ECG Pro | Road to Mastery at 4.5 against MD Reference's 3.0. ECG Pro | Road to Mastery also leads on ads (none vs shown) and update cadence (every 9 days vs every 4 months). MD Reference's advantage is iOS requirement (10.0 vs 17.6). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. ECG Pro | Road to Mastery sells 5 in-app purchases, starting at $4.99 per month and MD Reference sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ECG Pro | Road to Mastery holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: ECG Pro | Road to Mastery has 3.6K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 76% of ECG Pro | Road to Mastery's written reviews are positive against 50% of MD Reference's.

ECG Pro | Road to Mastery ships an update every 9 days, MD Reference every 4 months. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ECG Pro | Road to Mastery | MD Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (3.6K ratings)](https://appshunter.io/ios/app/ecg-pro-road-to-mastery/id798663024/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/md-reference/id1509330680/reviews) |
| Number of ratings | **3.6K** | 2 |
| Positive reviews | **75.5% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 111 MB | 14 MB |
| Requires iOS | 17.6 | **10.0** |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [WMS, Inc](https://appshunter.io/developer/471623357) | [Uptodate In Medicine MMC](https://appshunter.io/developer/1428873400) |

## What reviewers say

### ECG Pro | Road to Mastery

[App page](https://appshunter.io/ios/app/ecg-pro-road-to-mastery/id798663024)

This app provides a vast library of interpreted ECG cases to help medical professionals and students enhance their electrocardiogram reading skills. It offers interactive learning modes and detailed case analyses, reducing the need for multiple reference sources.

**Highlights:** Thousands of interpreted ECG cases, Interactive learning modes, Detailed case interpretations, Browse by findings or search, Dynamic monitoring mode, 12-lead ECG case display, Send cases in PDF format

**Features:** Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ECG Pro Monthly | $4.99 | per month |
| ECG Pro Yearly | $14.99 | per year |
| ECG Pro Yearly Family Sharing | $19.99 | per year |
| ECG Pro | $49.99 | one-time |
| ECG Pro + Family Sharing | $59.99 | one-time |

**What reviewers like**

- 👍 Very nice app
- 👍 Enjoyable and informative
- 👍 Great learning tool
- 👍 Excellent app for learning ECG
- 👍 Helpful for studying ECG rhythms

**What reviewers complain about**

- 💰 Premium needed for most features
- 🐛 Incorrect ECG interpretations
- 🐛 Lack of explanations for quiz answers
- 🐛 Doesn't work with older Apple Watches
- 🐛 Slow to provide real-time heart rate alerts

**Reported bugs**

- Inability to request refunds
- Setup issues with Verizon account requirement
- Crashes and freezes on certain devices

**Requested features**

- Ability to hide ECG interpretation results
- Option to set user profile (age, weight, etc.)
- Ability to favorite specific ECGs for quizzing
- Inclusion of 12-lead ECG examples
- Integration with Apple Watch for ECG recording


### MD Reference

[App page](https://appshunter.io/ios/app/md-reference/id1509330680)

This medical reference app aims to improve healthcare quality by providing medical professionals with updated knowledge and modern technologies. It helps practitioners stay informed about advancements and apply them in their practice. The service operates on a subscription basis with various plans available.

**Highlights:** Enhances medical knowledge, Keeps users updated on new technologies, Facilitates practical application of knowledge, Subscription-based access, Personalized user accounts

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month subscription | $2.99 | per month |
| 3 months subscription | $8.99 | per 3 months |
| 6 months subscription | $14.99 | per 6 months |
| 12 months subscription | $23.99 | per year |


## Frequently asked questions

### Is ECG Pro | Road to Mastery free?

ECG Pro | Road to Mastery is free to download, with in-app purchases available.

### Is MD Reference free?

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

### Which has better reviews, ECG Pro | Road to Mastery or MD Reference?

ECG Pro | Road to Mastery is rated higher. ECG Pro | Road to Mastery averages 4.5 out of 5 from 3.6K ratings, while MD Reference averages 3.0 from 2 ratings.

### Do ECG Pro | Road to Mastery or MD Reference have ads?

MD Reference shows ads; ECG Pro | Road to Mastery does not.

### Which is updated more often, ECG Pro | Road to Mastery or MD Reference?

ECG Pro | Road to Mastery ships an update every 9 days, and MD Reference every 4 months. Most recently, ECG Pro | Road to Mastery was updated on October 16, 2026 and MD Reference on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*