# EMDDx vs HemeOncBuddy

The clearest difference is price: HemeOncBuddy at Free against EMDDx's $9.99. HemeOncBuddy also leads on ratings volume (18 vs 1). EMDDx's advantage is iOS requirement (12.4 vs 15.0). On rating, update cadence, ads and in-app purchases there is nothing between them.

HemeOncBuddy is free to download; EMDDx costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for EMDDx against 5.0 for HemeOncBuddy. That said, the two scores are not equally well evidenced: HemeOncBuddy has 18 ratings behind it against 1, so its average is the more settled of the two.

EMDDx ships an update every 45 months, HemeOncBuddy every 24 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | EMDDx | HemeOncBuddy |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/emddx/id1523957740/reviews) | [5.0 (18 ratings)](https://appshunter.io/ios/app/hemeoncbuddy/id1579207336/reviews) |
| Number of ratings | 1 | **18** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 24 months** |
| Monetization | Paid | **Free** |
| Size | 18 MB | 16 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [EM Edy, LLC](https://appshunter.io/developer/1502423357) | [Veli Bakalov](https://appshunter.io/developer/1579207338) |

## What reviewers say

### EMDDx

[App page](https://appshunter.io/ios/app/emddx/id1523957740)

This medical reference app helps users generate differential diagnoses for common chief complaints. It covers a wide range of symptoms, from chest pain to palpitations, providing a powerful diagnostic tool on mobile devices.

**Highlights:** Differential diagnosis generation, Covers common chief complaints, Symptom-based diagnosis, Mobile diagnostic tool, Reference for medical professionals

**Features:** macOS Compatibility

**In-app purchases:** none


### HemeOncBuddy

[App page](https://appshunter.io/ios/app/hemeoncbuddy/id1579207336)

This app provides quick access to practice-changing clinical trials in Hematology and Oncology. It offers simplified summaries of trial background, inclusion/exclusion criteria, primary endpoints, and outcomes for easy reference.

**Highlights:** Practice-changing clinical trial summaries, Hematology and Oncology focus, Simplified trial information, Inclusion and exclusion criteria, Primary endpoints and outcomes, Quick reference tool

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

**In-app purchases:** none


## Frequently asked questions

### Is EMDDx free?

EMDDx costs $9.99, with no in-app purchases.

### Is HemeOncBuddy free?

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

### Which has better reviews, EMDDx or HemeOncBuddy?

EMDDx and HemeOncBuddy are both rated 5.0 out of 5 on the App Store, from 1 and 18 ratings respectively.

### Do EMDDx or HemeOncBuddy have ads?

Neither EMDDx nor HemeOncBuddy shows ads.

### Which is updated more often, EMDDx or HemeOncBuddy?

EMDDx ships an update every 45 months, and HemeOncBuddy every 24 months. Most recently, EMDDx was updated on October 21, 2026 and HemeOncBuddy on October 24, 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.*