# Opioids Dosage Conversion vs DiagnosED

The clearest difference is update cadence: DiagnosED at every 2 weeks against Opioids Dosage Conversion's every 4 months. Opioids Dosage Conversion's advantage is iOS requirement (15.6 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

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

Opioids Dosage Conversion ships an update every 4 months, DiagnosED every 2 weeks. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Opioids Dosage Conversion | DiagnosED |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (18 ratings)](https://appshunter.io/ios/app/opioids-dosage-conversion/id382383903/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 2 MB | 8 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Chris Marcellino MD LLC](https://appshunter.io/developer/1161719220) | [Rehan Krishnan](https://appshunter.io/developer/1861073130) |

## 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


### DiagnosED

[App page](https://appshunter.io/ios/app/diagnosed/id6782709595)

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

**In-app purchases:** none


## Frequently asked questions

### Is Opioids Dosage Conversion free?

Opioids Dosage Conversion is free to download, with no in-app purchases.

### Is DiagnosED free?

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

### Do Opioids Dosage Conversion or DiagnosED have ads?

Neither Opioids Dosage Conversion nor DiagnosED shows ads.

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

Opioids Dosage Conversion ships an update every 4 months, and DiagnosED every 2 weeks. Most recently, Opioids Dosage Conversion was updated on October 8, 2026 and DiagnosED on October 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.*