# UnderCross vs HekimDoktor

The clearest difference is ads: UnderCross at none against HekimDoktor's shown. HekimDoktor's advantage is update cadence (every 6 days vs every 3 weeks) and device support (4 vs 2). On price, in-app purchases 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.

UnderCross ships an update every 3 weeks, HekimDoktor every 6 days. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | UnderCross | HekimDoktor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 4 MB | 83 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Omer Acar](https://appshunter.io/developer/1806634161) | [HekimDoktor Sağlık Teknoloji A.Ş.](https://appshunter.io/developer/1896574434) |

## What reviewers say

### UnderCross

[App page](https://appshunter.io/ios/app/undercross/id6744246334)

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

**In-app purchases:** none


### HekimDoktor

[App page](https://appshunter.io/ios/app/hekimdoktor/id6768453683)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is UnderCross free?

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

### Is HekimDoktor free?

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

### Do UnderCross or HekimDoktor have ads?

HekimDoktor shows ads; UnderCross does not.

### Which is updated more often, UnderCross or HekimDoktor?

UnderCross ships an update every 3 weeks, and HekimDoktor every 6 days. Most recently, UnderCross was updated on October 9, 2026 and HekimDoktor on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*