AHA ACLS vs MKSAP 19
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AHA ACLS
This app provides clinicians with a digital tool to assist in running cardiac arrest codes and delivering advanced cardiac life support (ACLS) at the bedside. It features the latest AHA recommendations and includes intuitive access to algorithms, drug dosing, and timers for efficient patient care.
- 4 ACLS algorithms (cardiac arrest, tachycardia, bradycardia, post-arrest)
- Latest 2025 AHA ACLS content
- Drug therapy and dosing
- Easy-to-read timers
- CPR and epinephrine logging
- Rapid transition to post-arrest care
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The AHA ACLS app is the American Heart Association's (AHA) officially endorsed digital health solution to assist clinicians in running codes and delivering bedside ACLS care with actual patients. The app was developed by Harvard-trained physicians, in collaboration with the AHA, to help fellow physicians, nurses, physician assistants, nurse practitioners, and EMTs deliver the highest level of advanced cardiac life support (ACLS) at the point-of-care. It began as a project to assist clinicians within Massachusetts General Hospital (MGH), a Harvard Medical School teaching hospital—and then expanded to have a global scope after significant positive impact was demonstrated. Importantly, real-time feedback from our clinician users continuously drives improvements in app design, features, and function so that you will have the best experience providing life-saving care at the bedside. The AHA ACLS app is the only one to have all content vetted by both the AHA science team and practicing Harvard-affiliated physicians. It also features the latest 2025 release of AHA recommendations for ACLS. We owe it to our patients to use the best digital health tools to give them the highest chance of surviving acute life-threatening cardiac illnesses. To this end, we have developed a low cost, intuitive, and rigorously vetted mobile app to assist clinicians— including in all stages of training—and enhance ACLS care at the bedside. Features: - Intuitive design to rapidly access 4 ACLS algorithms (i.e. cardiac arrest, tachycardia with pulse, bradycardia with pulse, and post cardiac arrest care) - Includes all recently released 2025 ACLS content including drug therapy and dosing, reversible causes, etc. - Easy-to-read timers and ability to log rounds of CPR, epinephrine, and defibrillations - Button within cardiac arrest algorithm that allows for rapid transition to post cardiac arrest care pathway once patient achieves ROSC - All content rigorously vetted by AHA science team and practicing Harvard-affiliated physicians We continue to iterate based on real-time clinician feedback, so that you will have the best experience providing life-saving care at the bedside. AHA ACLS offers an auto-renewing annual subscription at $3.99/year with a 3-day free trial. You will have unlimited access to all content while you maintain an active subscription. Payment will be charged to the credit card connected to your Apple ID Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Any unused portion of the free trial period, if offered, will be forfeited when you purchase a subscription. You can read more about our terms and conditions in the app.
MKSAP 19
This medical education app provides access to current information in internal medicine and subspecialties. It includes exam-like questions and patient-based clinical scenarios to help physicians assess and update their knowledge. Offline access to content is available for subscribers.
- Current internal medicine information
- 1,200 exam-like multiple-choice questions
- Patient-based clinical scenarios
- Offline content access
- Syncs with online version
- Enhances learning with figures, charts, and tables
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This app supplements the online version and is included with the MKSAP 19 Digital, MKSAP 19 Complete Green, and MKSAP 19 Complete subscriptions. Simply log in with your ACP or MKSAP 19 username and password. If you need assistance setting up your account, visit ACP Online. Some functionality within the app requires an active internet connection. Your suggestions for future updates and enhanced features are welcome at mksap_editors@acponline.org. The new Medical Knowledge Self-Assessment Program® (MKSAP® 19) provides you with the most current and critical information in the core of internal medicine and its subspecialties so you can stay aware of what you need to know as a practicing physician in internal medicine today. MKSAP 19 consists of well-researched text sections and 1,200 exam-like multiple-choice questions along with hundreds of figures, charts, and tables to enhance your learning experience. MKSAP 19's original, high-quality questions comprise patient-based clinical scenarios based on the latest evidence. Each question will challenge your decision-making, help you discover areas of strength, and target areas for you to update or acquire new knowledge. This app enables subscribers to MKSAP 19 Digital, MKSAP 19 Complete Green, or MKSAP 19 Complete to read all of the text and answer all of the questions offline. When you are connected to the Internet, answers will sync automatically with the online version. The publisher of this app, the American College of Physicians, is the largest medical specialty organization in the United States with members in more than 145 countries worldwide. ACP membership includes 161,000 internal medicine physicians (internists), related subspecialists, and medical students. Internal medicine physicians are specialists who apply scientific knowledge and clinical expertise to the diagnosis, treatment, and compassionate care of adults across the spectrum from health to complex illness.
Screenshots
Verdict
The clearest difference is review sentiment: MKSAP 19 at 71% against AHA ACLS's 26%. MKSAP 19 also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.1). AHA ACLS's advantage is rating (4.9 vs 4.1) and chart position (#59 vs unranked). On price, update cadence, ads 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
Both are free to download. AHA ACLS sells 1 in-app purchase, starting at $3.99 per year. MKSAP 19 asks for nothing beyond the download.
AHA ACLS holds the better App Store score, 4.9 against 4.1. That said, the two scores are not equally well evidenced: AHA ACLS has 277 ratings behind it against 37, so its average is the more settled of the two. Written reviews complicate that: 26% of AHA ACLS's written reviews are positive against 71% of MKSAP 19's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 24, 2026 and September 14, 2026 respectively.
| Parameter | AHA ACLS | MKSAP 19 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (277 ratings) — better | 4.1 (37 ratings) |
| Positive reviews | 26.3% of reviews | 70.6% of reviews — better |
| Number of ratings | 277 — better | 37 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Best chart rank | #59 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 48 MB | 423 MB |
| Age rating | 17+ | 17+ |
| Developer | Massachusetts General Hospital | American College of Physicians |
Customer experience
AHA ACLS
MKSAP 19
Bugs and requests
AHA ACLS
Reported bugs
3 issues- App fails to load information despite subscription payment
- Users locked out of app mid-code
- Unexpected app crashes during critical moments
Requested features
10 requests- Multiple log storage with dates
- More detailed code logging with event documentation (IO access, medications, rhythms)
- End code button and pause compressions feature
- Real-time log tracking for back-charting
- LVAD algorithm inclusion
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- Additional medication counters (bicarbonate, calcium)
- One-time purchase option instead of subscription
- Free basic version with premium features behind paywall
- Voluntary donation model instead of mandatory subscription
- Actual time reflection in logs for accurate timekeeping
MKSAP 19
Not enough reviews yet to summarise bugs or requests.
In-app purchases
AHA ACLS
- ACLS Pro3 Days trial$3.991 Year
MKSAP 19
No in-app purchases








