# ECG EKG Interpretation Mastery vs AHA Knowledge Booster

The clearest difference is review sentiment: AHA Knowledge Booster at 67% against ECG EKG Interpretation Mastery's 25%. AHA Knowledge Booster also leads on monetization model (free with in-app purchases vs subscription) and rating (4.8 vs 4.5). ECG EKG Interpretation Mastery's advantage is chart position (#170 vs unranked). On price, ratings volume, update cadence and ads 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 AHA Knowledge Booster sells 4 in-app purchases, starting at $1.99 per year. Whichever you choose, the download price is not the number that matters.

AHA Knowledge Booster holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 717 and 571 respectively. Written reviews point the same way: 25% of ECG EKG Interpretation Mastery's written reviews are positive against 67% of AHA Knowledge Booster's.

ECG EKG Interpretation Mastery ships an update every 3 weeks, AHA Knowledge Booster every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ECG EKG Interpretation Mastery | AHA Knowledge Booster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (717 ratings)](https://appshunter.io/ios/app/ecg-ekg-interpretation-mastery/id1143682180/reviews) | **[4.8 (571 ratings)](https://appshunter.io/ios/app/aha-knowledge-booster/id1586998263/reviews)** |
| Number of ratings | **717** | 571 |
| Positive reviews | 25.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Subscription | **Free with in-app purchases** |
| Best chart rank | **#170** | — |
| Size | 132 MB | 39 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Higher Learning Technologies](https://appshunter.io/developer/571804544) | [Trivie, Inc](https://appshunter.io/developer/510337124) |

## What reviewers say

### ECG EKG Interpretation Mastery

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

**Currently charting:** #170 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


### AHA Knowledge Booster

[App page](https://appshunter.io/ios/app/aha-knowledge-booster/id1586998263)

Reinforce critical CPR and emergency care knowledge with personalized quizzes. Choose topics like BLS, ACLS, and PALS to build mastery and improve long-term retention of lifesaving information.

**Highlights:** Personalized quizzes, Adaptive learning algorithm, Proficiency mapping, Multiple topic choices (BLS, ACLS, PALS, First Aid, CPR), Neuroscience-based retrieval practice, Long-term knowledge retention

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PALS | $1.99 | per year |
| BLS | $1.99 | per year |
| ACLS | $2.99 | per year |
| All-Access Bundle | $3.99 | per year |

**What reviewers like**

- 👍 Great refresher app
- 👍 Simple and functional
- 👍 Helpful for learning
- 👍 Enjoyable quizzes
- 👍 Concise information files

**What reviewers complain about**

- 🐛 App doesn't work
- 🐛 App is empty
- 🐛 Never sends link
- 🐛 Requires login
- 🐛 Paid app requires login

**Reported bugs**

- Literally doesn't work
- App opens but is completely empty
- Asks for email, never sends link
- Requires a login when already paid
- Can't sign on

**Requested features**

- Explanations for incorrect answers
- New update


## Frequently asked questions

### Is ECG EKG Interpretation Mastery free?

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

### Is AHA Knowledge Booster free?

AHA Knowledge Booster is free to download, with in-app purchases available.

### Which has better reviews, ECG EKG Interpretation Mastery or AHA Knowledge Booster?

AHA Knowledge Booster is rated higher. ECG EKG Interpretation Mastery averages 4.5 out of 5 from 717 ratings, while AHA Knowledge Booster averages 4.8 from 571 ratings.

### Do ECG EKG Interpretation Mastery or AHA Knowledge Booster have ads?

Neither ECG EKG Interpretation Mastery nor AHA Knowledge Booster shows ads.

### Which is updated more often, ECG EKG Interpretation Mastery or AHA Knowledge Booster?

ECG EKG Interpretation Mastery ships an update every 3 weeks, and AHA Knowledge Booster every 5 weeks. Most recently, ECG EKG Interpretation Mastery was updated on November 2, 2026 and AHA Knowledge Booster 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.*