# ACP MKSAP vs PE Classifier

The clearest difference is rating: PE Classifier at 5.0 against ACP MKSAP's 4.2. PE Classifier also leads on in-app purchases (none vs 1). ACP MKSAP's advantage is update cadence (every 10 days vs monthly) and ratings volume (16 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. ACP MKSAP sells 1 in-app purchase, starting at $999.99 per year. PE Classifier asks for nothing beyond the download.

PE Classifier holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: ACP MKSAP has 16 ratings behind it against 1, so its average is the more settled of the two.

ACP MKSAP ships an update every 10 days, PE Classifier monthly. The most recent releases landed on October 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ACP MKSAP | PE Classifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (16 ratings)](https://appshunter.io/ios/app/acp-mksap/id6739636797/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pe-classifier/id6781558435/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 542 MB | 24 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [American College of Physicians](https://appshunter.io/developer/371090673) | [Dawwod George](https://appshunter.io/developer/6781558437) |

## What reviewers say

### ACP MKSAP

[App page](https://appshunter.io/ios/app/acp-mksap/id6739636797)

Access comprehensive internal medicine knowledge and practice exam-style questions offline. This app syncs your progress with the online version when connected to the internet. It's designed for physicians to stay updated on the latest evidence and enhance their clinical decision-making skills.

**Highlights:** Offline access to text and questions, Thousands of exam-like multiple-choice questions, Patient-based clinical scenarios, Syncs progress with online version, Includes figures, charts, and tables, Targets knowledge gaps

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Non-member in-app price | $999.99 | per year |


### PE Classifier

[App page](https://appshunter.io/ios/app/pe-classifier/id6781558435)

This educational reference tool helps medical professionals and students understand and apply the latest acute pulmonary embolism classification system. It features interactive diagrams, a built-in checklist, and direct links to source guidelines for comprehensive learning.

**Highlights:** Full Category A-E classification with sub-stages, Interactive visual diagrams, Built-in HESTIA checklist, Optional local case log, Direct link to source guideline

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

**In-app purchases:** none


## Frequently asked questions

### Is ACP MKSAP free?

ACP MKSAP is free to download, with in-app purchases available.

### Is PE Classifier free?

PE Classifier is free to download, with no in-app purchases.

### Which has better reviews, ACP MKSAP or PE Classifier?

PE Classifier is rated higher. ACP MKSAP averages 4.2 out of 5 from 16 ratings, while PE Classifier averages 5.0 from 1 ratings.

### Do ACP MKSAP or PE Classifier have ads?

Neither ACP MKSAP nor PE Classifier shows ads.

### Which is updated more often, ACP MKSAP or PE Classifier?

ACP MKSAP ships an update every 10 days, and PE Classifier monthly. Most recently, ACP MKSAP was updated on October 7, 2026 and PE Classifier on September 18, 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.*