# Opioids Dosage Conversion vs ACP MKSAP

The clearest difference is in-app purchases: Opioids Dosage Conversion at none against ACP MKSAP's 1. Opioids Dosage Conversion also leads on review sentiment (78% vs 57%). ACP MKSAP's advantage is update cadence (every 10 days vs every 4 months) and iOS requirement (13.0 vs 15.6). On price, rating, ratings volume 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. Opioids Dosage Conversion asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for Opioids Dosage Conversion against 4.2 for ACP MKSAP. Both are backed by a comparable volume of ratings — 19 and 16 respectively. Written reviews are what separate them: 78% of Opioids Dosage Conversion's written reviews are positive against 57% of ACP MKSAP's.

Opioids Dosage Conversion ships an update every 4 months, ACP MKSAP every 10 days. Both last shipped on October 21, 2026.

## The numbers

| Metric | Opioids Dosage Conversion | ACP MKSAP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (19 ratings)](https://appshunter.io/ios/app/opioids-dosage-conversion/id382383903/reviews)** | [4.2 (16 ratings)](https://appshunter.io/ios/app/acp-mksap/id6739636797/reviews) |
| Number of ratings | **19** | 16 |
| Positive reviews | **77.8% of reviews** | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 540 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Chris Marcellino MD LLC](https://appshunter.io/developer/1161719220) | [American College of Physicians](https://appshunter.io/developer/371090673) |

## What reviewers say

### Opioids Dosage Conversion

[App page](https://appshunter.io/ios/app/opioids-dosage-conversion/id382383903)

This app is a calculator for trained medical professionals to convert opioid analgesic dosages. It supports various common opioids and administration routes, offering features like breakthrough dosing and cross-tolerance calculations.

**Highlights:** Opioid dosage conversion, Multiple drug support, Multiple route support, Breakthrough dosing calculator, Incomplete cross tolerance option, Instructional details

**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 Opioids Dosage Conversion free?

Opioids Dosage Conversion 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, Opioids Dosage Conversion or ACP MKSAP?

Opioids Dosage Conversion is rated higher. Opioids Dosage Conversion averages 4.3 out of 5 from 19 ratings, while ACP MKSAP averages 4.2 from 16 ratings.

### Do Opioids Dosage Conversion or ACP MKSAP have ads?

Neither Opioids Dosage Conversion nor ACP MKSAP shows ads.

### Which is updated more often, Opioids Dosage Conversion or ACP MKSAP?

Opioids Dosage Conversion ships an update every 4 months, and ACP MKSAP every 10 days. Most recently, Opioids Dosage Conversion was updated on October 21, 2026 and ACP MKSAP on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*