# Opioids Dosage Conversion vs MediMorph

The clearest difference is rating: MediMorph at 5.0 against Opioids Dosage Conversion's 4.3. MediMorph also leads on update cadence (daily vs every 4 months). Opioids Dosage Conversion's advantage is ratings volume (18 vs 3) and iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

MediMorph holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Opioids Dosage Conversion has 18 ratings behind it against 3, so its average is the more settled of the two.

Opioids Dosage Conversion ships an update every 4 months, MediMorph daily. The most recent releases landed on September 17, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Opioids Dosage Conversion | MediMorph |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (18 ratings)](https://appshunter.io/ios/app/opioids-dosage-conversion/id382383903/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/medimorph/id6479563936/reviews)** |
| Number of ratings | **18** | 3 |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free | Free |
| Size | 2 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Chris Marcellino MD LLC](https://appshunter.io/developer/1161719220) | [Ryan Vig](https://appshunter.io/developer/1736336397) |

## 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


### MediMorph

[App page](https://appshunter.io/ios/app/medimorph/id6479563936)

Easily calculate equivalent doses between common narcotics with this medical app. It simplifies tedious manual calculations for both oral and intravenous/subcutaneous administration, referencing authoritative medical literature.

**Highlights:** Dose conversions for common narcotics, PO and IV/SQ administration conversions, Reduced dose calculation, Display of conversion steps, Local calculation history, Notes and references

**Features:** macOS Compatibility

**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 MediMorph free?

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

### Which has better reviews, Opioids Dosage Conversion or MediMorph?

MediMorph is rated higher. Opioids Dosage Conversion averages 4.3 out of 5 from 18 ratings, while MediMorph averages 5.0 from 3 ratings.

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

Neither Opioids Dosage Conversion nor MediMorph shows ads.

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

Opioids Dosage Conversion ships an update every 4 months, and MediMorph daily. Most recently, Opioids Dosage Conversion was updated on September 17, 2026 and MediMorph on June 5, 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.*