# ECG EKG Interpretation Mastery vs PASS PCCN®!

The clearest difference is monetization model: PASS PCCN®! at free with in-app purchases against ECG EKG Interpretation Mastery's subscription. PASS PCCN®! also leads on iOS requirement (13.0 vs 15.0). ECG EKG Interpretation Mastery's advantage is ads (none vs shown) and ratings volume (720 vs 10). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. ECG EKG Interpretation Mastery sells 3 in-app purchases, starting at $9.99 per month and PASS PCCN®! sells 4 in-app purchases, starting at $44.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for ECG EKG Interpretation Mastery against 4.6 for PASS PCCN®!. That said, the two scores are not equally well evidenced: ECG EKG Interpretation Mastery has 720 ratings behind it against 10, so its average is the more settled of the two.

ECG EKG Interpretation Mastery ships an update every 3 weeks, PASS PCCN®! every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ECG EKG Interpretation Mastery | PASS PCCN®! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (720 ratings)](https://appshunter.io/ios/app/ecg-ekg-interpretation-mastery/id1143682180/reviews) | **[4.6 (10 ratings)](https://appshunter.io/ios/app/pass-pccn/id1551621241/reviews)** |
| Number of ratings | **720** | 10 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Subscription | **Free with in-app purchases** |
| Best chart rank | **#125** | — |
| Size | 132 MB | 147 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 17+ |
| Developer | [Higher Learning Technologies](https://appshunter.io/developer/571804544) | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) |

## What reviewers say

### ECG EKG Interpretation Mastery

[App page](https://appshunter.io/ios/app/ecg-ekg-interpretation-mastery/id1143682180)

**Currently charting:** #125 Top Grossing · Medical (US App Store)

Learn to interpret ECGs with this comprehensive app. It offers study materials, practice ECG strips, and essential clinical facts to help you understand abnormal EKGs and master 12-lead interpretations.

**Highlights:** Master ECG interpretation, Comprehensive guides and tips, No more big books, Lead placement diagrams, Dozens of 12-lead ECGs, Practice tools with heart rhythms

**Features:** Apple Wallet, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ECG EKG Mastery - 1 Month | $9.99 | per month |
| ECG EKG Mastery - 3 Months | $29.99 | per 3 months |
| ECG EKG Mastery - 12 Months | $74.99 | per year |

**What reviewers like**

- 📚 Simple, easy-to-understand format
- 🎨 Nice graphics and visual presentation
- 📖 Good reference material for EKG basics
- ✅ Comprehensive coverage from basics to advanced levels

**What reviewers complain about**

- 💰 Expensive subscription model ($9.99-$20/month)
- 🔒 Invasive privacy policy collecting personal data
- ⚠️ Automatic charging after free trial without clear warning
- 📝 Limited content - only ~20 note cards
- ❌ Lacks depth and in-depth explanations

**Reported bugs**

- Quiz feature is broken or inaccessible
- Practice questions advertised but cannot be accessed
- Screen not compatible with iPhone X
- App requires email or Facebook login to use
- Paywall prevents access to advertised content

**Requested features**

- Comprehensive practice questions with explanations
- Actual video lessons or detailed tutorials
- Random 12-lead EKG quiz functionality
- Daily tasks and practice questions
- More extensive examples and case studies


### PASS PCCN®!

[App page](https://appshunter.io/ios/app/pass-pccn/id1551621241)

Prepare for the Progressive Care Nursing Certification exam with comprehensive review materials. This app offers a narrative review, over 900 practice questions, and interactive learning activities to help you master the PCCN exam content.

**Highlights:** Comprehensive PCCN exam review, Over 900 practice questions, Study and Exam Modes, Interactive Learning Activities, Case studies for critical thinking, Appendices with essential references

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25% Off - Limited Period Offer | $44.99 | per year |
| 20% Off - Limited Period Offer | $47.99 | per year |
| 15% Off - Limited Period Offer | $50.99 | per year |
| PASS PCCN! 1Y Sub. | $59.99 | per year |


## Frequently asked questions

### Is ECG EKG Interpretation Mastery free?

ECG EKG Interpretation Mastery is free to download, with in-app purchases available.

### Is PASS PCCN®! free?

PASS PCCN®! is free to download, with in-app purchases available.

### Which has better reviews, ECG EKG Interpretation Mastery or PASS PCCN®!?

PASS PCCN®! is rated higher. ECG EKG Interpretation Mastery averages 4.5 out of 5 from 720 ratings, while PASS PCCN®! averages 4.6 from 10 ratings.

### Do ECG EKG Interpretation Mastery or PASS PCCN®! have ads?

PASS PCCN®! shows ads; ECG EKG Interpretation Mastery does not.

### Which is updated more often, ECG EKG Interpretation Mastery or PASS PCCN®!?

ECG EKG Interpretation Mastery ships an update every 3 weeks, and PASS PCCN®! every 3 months. Most recently, ECG EKG Interpretation Mastery was updated on November 6, 2026 and PASS PCCN®! on November 3, 2026.

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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.*