# DocHelperX vs CatchUpDerm

The clearest difference is in-app purchases: DocHelperX at none against CatchUpDerm's 2. DocHelperX also leads on iOS requirement (15.1 vs 17.0). CatchUpDerm's advantage is update cadence (every 2 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. CatchUpDerm sells 2 one-off in-app purchases. DocHelperX asks for nothing beyond the download.

DocHelperX ships an update fortnightly, CatchUpDerm every 2 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DocHelperX | CatchUpDerm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Size | 90 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Carmelo Zarcone](https://appshunter.io/developer/1874280617) | [Sven van Egmond](https://appshunter.io/developer/6792272389) |

## What reviewers say

### DocHelperX

[App page](https://appshunter.io/ios/app/dochelperx/id6758666231)

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

**In-app purchases:** none


### CatchUpDerm

[App page](https://appshunter.io/ios/app/catchupderm-dermatology/id6792280545)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kleine koffie voor de maker | $1.99 | one-time |
| Grote koffie voor de maker | $6.99 | one-time |


## Frequently asked questions

### Is DocHelperX free?

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

### Is CatchUpDerm free?

CatchUpDerm is free to download, with in-app purchases available.

### Do DocHelperX or CatchUpDerm have ads?

Neither DocHelperX nor CatchUpDerm shows ads.

### Which is updated more often, DocHelperX or CatchUpDerm?

DocHelperX ships an update fortnightly, and CatchUpDerm every 2 days. Most recently, DocHelperX was updated on October 28, 2026 and CatchUpDerm on October 31, 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.*