Comparison

AHA Knowledge Booster vs Relay Response CPR Training

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

Head to head
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.

About

Relay Response CPR Training

Features
Read full description

Relay Response CPR Training is an advanced training aid designed to help individuals learn and maintain proficiency in cardiopulmonary resuscitation (CPR). The app uses real-time feedback and post-training analytics to help users improve the quality of chest compressions in both Solo and Group CPR training scenarios. Whether you're a medical trainee, a CPR instructor, or a first responder, Relay Response enables you to: - Practice CPR compressions at the correct rate and depth - Receive live visual feedback during training - View post-training reports for performance debriefing - Participate in individual or instructor-led group sessions - Sync seamlessly between iPhone and Apple Watch Now with QR-code-based onboarding, training is easier than ever—just scan and start. https://www.relayresponse.com/end-user-license-agreement Relay Response CPR Training is intended for training and educational purposes only and does not replace professional medical advice or real emergency care.

Screenshots

AHA Knowledge Booster4 screens
Relay Response CPR Training4 screens

Verdict

The call

The clearest difference is update cadence: Relay Response CPR Training at weekly against AHA Knowledge Booster's every 5 weeks. On price, ads, in-app purchases and device support 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. AHA Knowledge Booster sells 4 in-app purchases, starting at $1.99 per year and Relay Response CPR Training sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AHA Knowledge Booster ships an update every 5 weeks, Relay Response CPR Training weekly. Both last shipped on October 24, 2026.

Scorecard1 real difference · 9 level
AHA Knowledge Booster versus Relay Response CPR Training: the parameters behind the verdict, then further details
ParameterAHA Knowledge BoosterRelay Response CPR Training
PriceFreeFree
Rating4.8 (568 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings568 — better—
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS15.6 — better16.6
Further details — not scored
Size39 MB204 MB
Age rating12+17+
DeveloperTrivie, Inc.Ximio Health Inc

Bugs and requests

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

Relay Response CPR Training

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
3 purchases

Relay Response CPR Training

Subscriptions3
  • Hands Only CPR Training$7.991 Month
  • Hands Only CPR Training$29.991 Year
  • Hands Only CPR Training$79.991 Year

Questions

Is AHA Knowledge Booster free?
AHA Knowledge Booster is free to download, with in-app purchases available.
Is Relay Response CPR Training free?
Relay Response CPR Training is free to download, with in-app purchases available.
Do AHA Knowledge Booster or Relay Response CPR Training have ads?
Neither AHA Knowledge Booster nor Relay Response CPR Training shows ads.
Which is updated more often, AHA Knowledge Booster or Relay Response CPR Training?
AHA Knowledge Booster ships an update every 5 weeks, and Relay Response CPR Training weekly. Most recently, AHA Knowledge Booster was updated on October 24, 2026 and Relay Response CPR Training on October 24, 2026.

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