# ED Chemist vs CAD

The clearest difference is update cadence: CAD at every 4 weeks against ED Chemist's every 2 months. ED Chemist's advantage is iOS requirement (12.0 vs 14.0.0). 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.

ED Chemist ships an update every 2 months, CAD every 4 weeks. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ED Chemist | CAD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 35 MB | 42 MB |
| Requires iOS | **12.0** | 14.0.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Entero Healthcare Solutions Limited](https://appshunter.io/developer/1490819168) | [TRIBE77 TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1750683408) |

## What reviewers say

### ED Chemist

[App page](https://appshunter.io/ios/app/ed-chemist/id1490819169)

**Features:** macOS Compatibility

**In-app purchases:** none


### CAD

[App page](https://appshunter.io/ios/app/cad/id6751284689)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ED Chemist free?

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

### Is CAD free?

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

### Do ED Chemist or CAD have ads?

Neither ED Chemist nor CAD shows ads.

### Which is updated more often, ED Chemist or CAD?

ED Chemist ships an update every 2 months, and CAD every 4 weeks. Most recently, ED Chemist was updated on October 6, 2026 and CAD on October 8, 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.*