# SIR Guidelines vs ACP MKSAP

The clearest difference is rating: SIR Guidelines at 5.0 against ACP MKSAP's 4.2. SIR Guidelines also leads on in-app purchases (none vs 1). ACP MKSAP's advantage is iOS requirement (13.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

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

SIR Guidelines holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 23 and 17 respectively.

SIR Guidelines ships an update every 3 weeks, ACP MKSAP every 10 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | SIR Guidelines | ACP MKSAP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (23 ratings)](https://appshunter.io/ios/app/sir-guidelines/id1552455529/reviews)** | [4.2 (17 ratings)](https://appshunter.io/ios/app/acp-mksap/id6739636797/reviews) |
| Number of ratings | **23** | 17 |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 28 MB | 540 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Society of Interventional Radiology](https://appshunter.io/developer/508819578) | [American College of Physicians](https://appshunter.io/developer/371090673) |

## What reviewers say

### SIR Guidelines

[App page](https://appshunter.io/ios/app/sir-guidelines/id1552455529)

Access evidence-based recommendations and tools for healthcare professionals. Features an interactive calculator for scenario-specific anticoagulation and antibiotic advice, simplifying clinical decision-making at the point of care.

**Highlights:** Access published guidelines and statements, Interactive periprocedural recommendation calculator, Scenario-specific anticoagulation and antibiotic recommendations, Tailored recommendations based on patient and procedural risk, Clinical Practice Guidelines for IVC Filters, Continual updates with new guidelines and tools

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is SIR Guidelines free?

SIR Guidelines is free to download, with no in-app purchases.

### Is ACP MKSAP free?

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

### Which has better reviews, SIR Guidelines or ACP MKSAP?

SIR Guidelines is rated higher. SIR Guidelines averages 5.0 out of 5 from 23 ratings, while ACP MKSAP averages 4.2 from 17 ratings.

### Do SIR Guidelines or ACP MKSAP have ads?

Neither SIR Guidelines nor ACP MKSAP shows ads.

### Which is updated more often, SIR Guidelines or ACP MKSAP?

SIR Guidelines ships an update every 3 weeks, and ACP MKSAP every 10 days. Most recently, SIR Guidelines was updated on October 24, 2026 and ACP MKSAP on October 29, 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.*