# Act vs MedDX

The clearest difference is ads: Act at none against MedDX's shown. MedDX's advantage is update cadence (every 3 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Act ships an update every 2 months, MedDX every 3 weeks. The most recent releases landed on September 26, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Act | MedDX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (34 ratings)](https://appshunter.io/ios/app/meddx/id1667845883/reviews)** |
| Number of ratings | — | **34** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 62 MB | 29 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [Emory University](https://appshunter.io/developer/387102326) | [Med Dx Technology LLC](https://appshunter.io/developer/1667845885) |

## What reviewers say

### Act

[App page](https://appshunter.io/ios/app/act-gen/id1591106974)

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

**In-app purchases:** none


### MedDX

[App page](https://appshunter.io/ios/app/meddx/id1667845883)

This app offers a vast collection of AI-powered medical calculators for various specialties. It provides quick access to academic data and stays current with medical AI advancements through an integrated blog. Users can sync their progress across devices and receive notifications for new calculator additions.

**Highlights:** AI medical calculator repository, Machine learning calculators, Intuitive interface, Access to citations and academic data, Cross-device syncing, AI blog for medical advancements

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Act free?

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

### Is MedDX free?

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

### Do Act or MedDX have ads?

MedDX shows ads; Act does not.

### Which is updated more often, Act or MedDX?

Act ships an update every 2 months, and MedDX every 3 weeks. Most recently, Act was updated on September 26, 2026 and MedDX on June 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.*