Comparison

ECG EKG Interpretation Mastery vs AHA Knowledge Booster

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ECG EKG Interpretation Mastery

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
Currently charting
Read full description

The simplest way to learn ECG interpretation. Study on-the-go with ECG strips, full-color graphics, up-to-date information tables, core clinical facts, and never again be confused by a 12-lead ECG or wonder what an abnormal EKG means. Download ECG Mastery and see why we are the best electrocardiogram app on the market! Whether you are a paramedic, nurse, clinician, or medical student, ECG Mastery simplifies the learning process and helps you interpret ECGs with confidence. Why choose ECG Mastery: Created by the makers of top-selling NCLEX Mastery, FNP Mastery, and ACLS Mastery apps, ECG Mastery offers a streamlined, efficient way to learn ECG interpretation. Whether you are a paramedic, nurse, clinician, or medical student, our app helps you approach every EKG monitor line with confidence and understanding. • Master ECG interpretation: Comprehensive guides and tips. • No More Big Books: All essential information in one app. • Lead Placement Diagrams: Axis interpretation and more. • Dozens of 12 Lead ECGs: Only learn what’s clinically relevant and safely ignore the rest. • Practice Tools: Interpret typical and uncommon heart rhythms on EKG strips. Save time, energy, and money by avoiding complicated textbooks and expensive on-site courses. Study where and when you want, and only learn what’s necessary for your clinical practice. Download ECG Mastery today and see why we are the best electrocardiogram app on the market! Subscribe and get access to all content: • 1 Month: $11.99 each month • 3 Months: $29.99 every three months • 12 Months: $74.99 each year Upon confirming your purchase, you'll be billed immediately. Your subscription will automatically renew unless you turn off the auto-renewal feature at least 24 hours before the end of the current subscription period. After purchase, you can manage your subscription and deactivate auto-renewal through your Account Settings. Note that any unused portion of a free trial, if offered, will be forfeited when you buy a subscription. Privacy Policy - http://builtbyhlt.com/privacy Terms of Conditions - http://builtbyhlt.com/EULA Customer Support: Your success matters to us. Talk to a real person at support@hltcorp.com or (319) 246-5271.

About

AHA Knowledge Booster

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
Read full description

The AHA Knowledge Booster app was created to reinforce critical CPR and emergency care knowledge in an effort to save more lives. Users can choose the topics appropriate for their level of knowledge – Basic Life Support (BLS), Advanced Cardiovascular Life Support (ACLS), Pediatric Advanced Life Support (PALS), First Aid, and CPR Basics. This booster app is ideal for those who have completed American Heart Association courses and are looking to keep this lifesaving information top of mind. The quiz-based application will feature different types of questions with topics including: * CPR Basics * First Aid Basics * Emergency Preparedness * BLS * ACLS * PALS * Heartsaver * Opioid * Ventilator Reskilling * Choking * Signs of Heart Attack and Stroke Our adaptive learning algorithm analyzes a users’ interaction with various topics, and dynamically builds a proficiency map on what a user does and does not know. This proficiency map is used to generate personalized quizzes to help them build mastery. This whole process is 100% automated based on the neuroscience-based technique of retrieval practice. The more you engage with the app, the more tailored the quizzes will be! Play today to help keep your critical lifesaving knowledge top of mind. AHA Booster makes it easy to engage learners, increase long-term knowledge retention, and measure and improve learning effectiveness.

Screenshots

ECG EKG Interpretation Mastery4 screens
AHA Knowledge Booster4 screens

Verdict

The call

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 (#175 vs unranked). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 7 level
ECG EKG Interpretation Mastery versus AHA Knowledge Booster: the parameters behind the verdict, then further details
ParameterECG EKG Interpretation MasteryAHA Knowledge Booster
PriceFreeFree
Rating4.5 (717 ratings)4.8 (571 ratings) — better
Positive reviews25.0% of reviews66.7% of reviews — better
Number of ratings717 — better571
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
Best chart rank#175 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size132 MB39 MB
Age rating12+12+
DeveloperHigher Learning TechnologiesTrivie, Inc

Customer experience

ECG EKG Interpretation Mastery

All ratings712 ratings
Positive86.1%
Neutral4.4%
Negative9.6%
Written reviews28 reviews
Positive25.0%
Neutral3.6%
Negative71.4%

AHA Knowledge Booster

All ratings566 ratings
Positive96.3%
Neutral1.8%
Negative1.9%
Written reviews18 reviews
Positive66.7%
Neutral5.6%
Negative27.8%

User reviews

ECG EKG Interpretation Mastery

From 717 App Store ratings

What we love

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

Room to improve

  • 💰 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

AHA Knowledge Booster

From 571 App Store ratings

What we love

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

Room to improve

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

Bugs and requests

ECG EKG Interpretation Mastery

Reported bugs

5 issues
  • 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

9 requests
  • 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
Show 4 more
  • Coverage of rare conditions (e.g., Brugada syndrome)
  • One-time purchase option instead of subscription
  • Better organization and presentation (not Word-style)
  • Apple Watch compatibility

AHA Knowledge Booster

Reported bugs

5 issues
  • 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

2 requests
  • Explanations for incorrect answers
  • New update

In-app purchases

3 purchases

ECG EKG Interpretation Mastery

Subscriptions3
  • ECG EKG Mastery - 1 Month3 Days trial$9.991 Month
  • ECG EKG Mastery - 3 Months3 Days trial$29.993 Months
  • ECG EKG Mastery - 12 Months3 Days trial$74.991 Year
4 purchases

AHA Knowledge Booster

Subscriptions4
  • PALS$1.991 Year
  • BLS$1.991 Year
  • ACLS$2.991 Year
Show 1 more
  • All-Access Bundle14 Days trial$3.991 Year

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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