# GRAPPA App vs EADV

The clearest difference is update cadence: GRAPPA App at every 3 months against EADV's every 8 months. 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.

GRAPPA App ships an update every 3 months, EADV every 8 months. The most recent releases landed on July 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | GRAPPA App | EADV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/grappa-app/id1346646781/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free | — |
| Size | 64 MB | 12 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Group for Research and Assessment of Psoriasis and Psoriatic Arthritis](https://appshunter.io/developer/1346646780) | [M Events Cross Media GmbH](https://appshunter.io/developer/455654224) |

## What reviewers say

### 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


### EADV

[App page](https://appshunter.io/ios/app/eadv/id6584529172)

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

**In-app purchases:** none


## Frequently asked questions

### Is GRAPPA App free?

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

### Is EADV free?

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

### Do GRAPPA App or EADV have ads?

Neither GRAPPA App nor EADV shows ads.

### Which is updated more often, GRAPPA App or EADV?

GRAPPA App ships an update every 3 months, and EADV every 8 months. Most recently, GRAPPA App was updated on July 19, 2026 and EADV on September 14, 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.*