# ACP Clinical Guidelines vs Opioid Tool

The clearest difference is rating: Opioid Tool at 3.6 against ACP Clinical Guidelines's 3.0. Opioid Tool also leads on update cadence (every 5 days vs every 2 months) and iOS requirement (7.0 vs 12.0). ACP Clinical Guidelines's advantage is review sentiment (81% vs 40%). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Opioid Tool holds the better App Store score, 3.6 against 3.0. Both are backed by a comparable volume of ratings — 12 and 8 respectively. Written reviews complicate that: 81% of ACP Clinical Guidelines's written reviews are positive against 40% of Opioid Tool's, so the app with the better star average is not the one people write more warmly about.

ACP Clinical Guidelines ships an update every 2 months, Opioid Tool every 5 days. The most recent releases landed on November 3, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | ACP Clinical Guidelines | Opioid Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (12 ratings)](https://appshunter.io/ios/app/acp-clinical-guidelines/id618318388/reviews) | **[3.6 (8 ratings)](https://appshunter.io/ios/app/opioid-tool/id827561557/reviews)** |
| Number of ratings | **12** | 8 |
| Positive reviews | **81.3% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 39 MB | 1 MB |
| Requires iOS | 12.0 | **7.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [American College of Physicians](https://appshunter.io/developer/371090673) | [aaron sobol](https://appshunter.io/developer/358992561) |

## What reviewers say

### ACP Clinical Guidelines

[App page](https://appshunter.io/ios/app/acp-clinical-guidelines/id618318388)

Access evidence-based clinical practice guidelines from the American College of Physicians on your mobile device. This app provides internal medicine physicians and other clinicians with convenient access to recommendations, summary tables, and algorithms in an interactive format.

**Highlights:** Evidence-based clinical practice guidelines, Recommendations and rationale, Summary tables, Algorithms, High value care advice, Interactive mobile format

**Features:** macOS Compatibility

**In-app purchases:** none


### Opioid Tool

[App page](https://appshunter.io/ios/app/opioid-tool/id827561557)

This medical app provides tools for healthcare professionals rotating through specific rotations. It includes an opioid conversion calculator, a 30-day refill calculator, and a reference for opioid metabolites. A prescribing checklist is also available to aid in patient care.

**Highlights:** Opioid conversion calculator, 30-day refill calculator, Opioid metabolite reference, Prescribing checklist

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ACP Clinical Guidelines free?

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

### Is Opioid Tool free?

Opioid Tool is free to download, with no in-app purchases.

### Which has better reviews, ACP Clinical Guidelines or Opioid Tool?

Opioid Tool is rated higher. ACP Clinical Guidelines averages 3.0 out of 5 from 12 ratings, while Opioid Tool averages 3.6 from 8 ratings.

### Do ACP Clinical Guidelines or Opioid Tool have ads?

Neither ACP Clinical Guidelines nor Opioid Tool shows ads.

### Which is updated more often, ACP Clinical Guidelines or Opioid Tool?

ACP Clinical Guidelines ships an update every 2 months, and Opioid Tool every 5 days. Most recently, ACP Clinical Guidelines was updated on November 3, 2026 and Opioid Tool on November 1, 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.*