# ACP MKSAP vs GRS 12th Edition

The clearest difference is in-app purchases: GRS 12th Edition at none against ACP MKSAP's 1. GRS 12th Edition also leads on rating (4.6 vs 4.2) and ratings volume (61 vs 17). ACP MKSAP's advantage is update cadence (every 10 days vs every 17 months) and iOS requirement (13.0 vs 15.6). 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. GRS 12th Edition asks for nothing beyond the download.

GRS 12th Edition holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 17 and 61 respectively.

ACP MKSAP ships an update every 10 days, GRS 12th Edition every 17 months. The most recent releases landed on November 3, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | ACP MKSAP | GRS 12th Edition |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (17 ratings)](https://appshunter.io/ios/app/acp-mksap/id6739636797/reviews) | **[4.6 (61 ratings)](https://appshunter.io/ios/app/grs-12th-edition/id6742197861/reviews)** |
| Number of ratings | 17 | **61** |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 17 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 540 MB | 90 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [American College of Physicians](https://appshunter.io/developer/371090673) | [American Geriatrics Society](https://appshunter.io/developer/540144304) |

## 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 |


### GRS 12th Edition

[App page](https://appshunter.io/ios/app/grs-12th-edition/id6742197861)

This medical reference app provides the latest developments in geriatric medicine. It features 74 chapters, case-oriented questions with critiques, and offers CME/MOC credits. Users can create custom exams and track their learning progress.

**Highlights:** 74 chapters on geriatric medicine, Case-oriented multiple-choice questions, AMA PRA Category 1 Credits™, ABIM Maintenance of Certification points, Customizable practice exams, Performance reports, Bookmark and note-taking

**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 GRS 12th Edition free?

GRS 12th Edition is free to download, with no in-app purchases.

### Which has better reviews, ACP MKSAP or GRS 12th Edition?

GRS 12th Edition is rated higher. ACP MKSAP averages 4.2 out of 5 from 17 ratings, while GRS 12th Edition averages 4.6 from 61 ratings.

### Do ACP MKSAP or GRS 12th Edition have ads?

Neither ACP MKSAP nor GRS 12th Edition shows ads.

### Which is updated more often, ACP MKSAP or GRS 12th Edition?

ACP MKSAP ships an update every 10 days, and GRS 12th Edition every 17 months. Most recently, ACP MKSAP was updated on November 3, 2026 and GRS 12th Edition on November 12, 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.*