# Side Onco Skin vs GRAPPA App

The clearest difference is iOS requirement: GRAPPA App at 13.0 against Side Onco Skin's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Side Onco Skin ships an update every 4 months, GRAPPA App every 3 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Side Onco Skin | GRAPPA App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/grappa-app/id1346646781/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 28 MB | 64 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [PIERRE FABRE DERMO-COSMETIQUE](https://appshunter.io/developer/496175460) | [Group for Research and Assessment of Psoriasis and Psoriatic Arthritis](https://appshunter.io/developer/1346646780) |

## What reviewers say

### Side Onco Skin

[App page](https://appshunter.io/ios/app/side-onco-skin/id1206429196)

This app trains healthcare professionals to recognize and manage dermatological complications arising from cancer treatments. It offers interactive learning through quizzes and case studies, keeping users updated on new treatment side effects.

**Highlights:** Recognize key symptoms, Identify inducing molecules, Improve patient care, Test knowledge with quizzes, Stay updated on new treatments

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

**In-app purchases:** none


### GRAPPA App

[App page](https://appshunter.io/ios/app/grappa-app/id1346646781)

This medical application aids in the assessment of patients with psoriatic arthritis and psoriasis. It provides tools to calculate disease severity scores and includes patient-completed questionnaires in multiple languages. Access to GRAPPA resources is also available.

**Highlights:** Psoriatic arthritis and psoriasis assessment, Disease severity calculators (MDA, PASI, BSA), Patient-completed questionnaires (PsAID, PEST, HAQ), Multilingual questionnaire support, Access to GRAPPA resources

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

**In-app purchases:** none


## Frequently asked questions

### Is Side Onco Skin free?

Side Onco Skin is free to download, with no in-app purchases.

### Is GRAPPA App free?

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

### Do Side Onco Skin or GRAPPA App have ads?

Neither Side Onco Skin nor GRAPPA App shows ads.

### Which is updated more often, Side Onco Skin or GRAPPA App?

Side Onco Skin ships an update every 4 months, and GRAPPA App every 3 months. Most recently, Side Onco Skin was updated on October 24, 2026 and GRAPPA App 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.*