GRAPPA App vs EULAR 2026
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GRAPPA App
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.
- Psoriatic arthritis and psoriasis assessment
- Disease severity calculators (MDA, PASI, BSA)
- Patient-completed questionnaires (PsAID, PEST, HAQ)
- Multilingual questionnaire support
- Access to GRAPPA resources
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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.
EULAR 2026
This app serves as a digital guide for the Annual European Congress of Rheumatology. It provides onsite participants with essential information for navigating the 4-day event, including the scientific program, room locations, and exhibition details. Log in with your congress account for a seamless experience.
- Scientific program access
- Room location finder
- Satellite symposia information
- Exhibition booth details
- Congress navigation assistance
- User login with EULAR account
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The Annual European Congress of Rheumatology EULAR 2026 will take place from 3 - 6 June in London. The EULAR Congress is a important event in the european and global rheumatology calendar. The 2026 Congress in London will once again provide a unique opportunity for the exchange of scientific and clinical information between medical professionals, and also welcome the Patients with Arthritis / Rheumatism in Europe organisation (PARE) and the Health Professionals in Rheumatology (HPR). This app contains all the information you need to navigate through the 4-day event – scientific programme, room locations, satellite symposia, exhibition booths and other useful information to guide you around the congress. This app is a free companion app for the onsite participants of the EULAR 2026 Congress in London. Participants can log into the app using their myEULAR congress account.
Screenshots
Verdict
The clearest difference is update cadence: EULAR 2026 at every 4 days against GRAPPA App's every 3 months. EULAR 2026 also leads on ratings volume (59 vs 2). GRAPPA App's advantage is rating (5.0 vs 4.6). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GRAPPA App holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: EULAR 2026 has 59 ratings behind it against 2, so its average is the more settled of the two.
GRAPPA App ships an update every 3 months, EULAR 2026 every 4 days. The most recent releases landed on July 19, 2026 and September 18, 2026 respectively.
| Parameter | GRAPPA App | EULAR 2026 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.6 (59 ratings) |
| Positive reviews | — | 60.0% of reviews |
| Number of ratings | 2 | 59 — better |
| Update frequency | Every 3 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 84 MB |
| Age rating | 17+ | 17+ |
| Developer | Group for Research and Assessment of Psoriasis and Psoriatic Arthritis | Eyeled GmbH |
Customer experience
GRAPPA App
EULAR 2026
In-app purchases
GRAPPA App
No in-app purchases
EULAR 2026
No in-app purchases
