Comparison

NACSELD vs MKSAP 19

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

Head to head
About

NACSELD

Features
Read full description

North American Consortium for the Study of End-Stage Liver Disease (NACSELD) consists of several tertiary care centers which prospectively studies inpatient and outpatient outcomes in hospitalized patients with cirrhosis. Calculators based on published research predicting 30- day mortality and probability of fungal infection development are included in the App. This is meant for research purposes only.

About

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.

Highlights
  • 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
Features
Read full description

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

NACSELD4 screens
MKSAP 191 screens

Verdict

The call

The clearest difference is update cadence: MKSAP 19 at every 2 months against NACSELD's every 40 months. 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

NACSELD ships an update every 40 months, MKSAP 19 every 2 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

Scorecard1 real difference · 9 level
NACSELD versus MKSAP 19: the parameters behind the verdict, then further details
ParameterNACSELDMKSAP 19
PriceFreeFree
Rating—4.1 (38 ratings) — better
Positive reviews—70.6% of reviews
Number of ratings—38 — better
Update frequencyEvery 40 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.012.0 — better
Further details — not scored
Size28 MB423 MB
Age rating12+17+
DeveloperJasmohan BajajAmerican College of Physicians

In-app purchases

None

NACSELD

No in-app purchases

None

MKSAP 19

No in-app purchases

Questions

Is NACSELD free?
NACSELD is free to download, with no in-app purchases.
Is MKSAP 19 free?
MKSAP 19 is free to download, with no in-app purchases.
Do NACSELD or MKSAP 19 have ads?
Neither NACSELD nor MKSAP 19 shows ads.
Which is updated more often, NACSELD or MKSAP 19?
NACSELD ships an update every 40 months, and MKSAP 19 every 2 months. Most recently, NACSELD was updated on November 2, 2026 and MKSAP 19 on November 4, 2026.

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