GRAPPA App
Group for Research and Assessment of Psoriasis and Psoriatic Arthritis Medical iPhoneiPadiPod touch
GRAPPA App is a free Medical app for iPhone and iPad by Group for Research and Assessment of Psoriasis and Psoriatic Arthritis. Rated 5.0/5 from 2 ratings.
- Rating
- 5.0
- 2 ratings
- Price
- Free
- on the App Store
- Size
- 64 MB
- Age 17+
- Updated
- Jul 1
- 2026 · v2.0.6
Screenshots
About GRAPPA App
This app from GRAPPA (Group for Research and Assessment of Psoriasis and Psoriatic Arthritis) is designed to support the assessment of patients with psoriatic arthritis and psoriasis. It allows users to calculate a patient’s MDA and assess skin disease (using either PASI or BSA) through specially designed calculators. The app also includes PsAID, PEST and HAQ questionnaires which can be completed directly by patients in a range of languages and a selection of slides from the GRAPPA resources. Visit http://www.grappanetwork.org/ to find out more about GRAPPA.
What’s new
Version 2.0.6 · Updated July 1, 2026
Changed app name "Grappa App" to "GRAPPA App"
App privacy
The developer, Group for Research and Assessment of Psoriasis and Psoriatic Arthritis, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| GRAPPA App | 5.0 / 5 (2 ratings) | Free | July 1, 2026 | |
| ASAS App | 5.0 / 5 (1) | Free | Aug 25, 2026 | Compare |
| DLQI: The Official App | – | Free | Oct 2, 2025 | Compare |
| Derm Calculator | 5.0 / 5 (1) | Free | Feb 9, 2024 | Compare |
| EADV | 1.0 / 5 (1) | Free | Sep 15, 2026 | Compare |
| CRUSE Control Urticaria | 4.8 / 5 (8) | Free | Sep 5, 2026 | Compare |
| EULAR 2026 | 4.6 / 5 (59) | Free | May 28, 2026 | Compare |
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