# My Derm vs Renu by Sam Thai

The clearest difference is in-app purchases: My Derm at none against Renu by Sam Thai's 1. My Derm also leads on update cadence (every 5 weeks vs every 4 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Renu by Sam Thai sells 1 in-app purchase, starting at $200.00 per month. My Derm asks for nothing beyond the download.

My Derm ships an update every 5 weeks, Renu by Sam Thai every 4 months. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | My Derm | Renu by Sam Thai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/my-derm/id6447304774/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 126 MB | 56 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [AMPERSAND HEALTH LIMITED](https://appshunter.io/developer/1484054505) | [Sam Hughes](https://appshunter.io/developer/1810705668) |

## What reviewers say

### My Derm

[App page](https://appshunter.io/ios/app/my-derm/id6447304774)

This app helps individuals manage inflammatory skin conditions by tracking symptoms, medications, and lifestyle factors. It provides access to reliable health news, educational resources, and direct messaging with hospital teams if available. Users can also link health data from other apps to gain insights into their condition.

**Highlights:** Personal health record, Medication and appointment reminders, Health newsfeed, Educational library, Hospital team messaging, Symptom and lifestyle tracking, Apple Health/Google Fit integration

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

**In-app purchases:** none


### Renu by Sam Thai

[App page](https://appshunter.io/ios/app/renu-by-sam-thai/id6745097713)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coaching | $200.00 | per month |


## Frequently asked questions

### Is My Derm free?

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

### Is Renu by Sam Thai free?

Renu by Sam Thai is free to download, with in-app purchases available.

### Do My Derm or Renu by Sam Thai have ads?

Neither My Derm nor Renu by Sam Thai shows ads.

### Which is updated more often, My Derm or Renu by Sam Thai?

My Derm ships an update every 5 weeks, and Renu by Sam Thai every 4 months. Most recently, My Derm was updated on November 7, 2026 and Renu by Sam Thai on November 5, 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.*