GRAPPA App vs ELM 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.
ELM 2026
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Official app of the 15th European Lupus Meeting (ELM 2026), taking place in Lisbon, Portugal, 4–7 March 2026. The ELM 2026 app provides easy access to all congress information, including the up-to-date scientific programme, session details, speakers and abstracts. Users can search sessions and authors, bookmark favourite sessions and create a personalised agenda. The app also includes key logistical information, including details on the exhibition area, catering services and the poster area, and keeps participants informed through push notifications about important updates and programme changes. Designed to support participants throughout the congress, the ELM 2026 app enhances the on-site and online meeting experience.
Screenshots
Verdict
The clearest difference is update cadence: ELM 2026 at every 5 days against GRAPPA App's every 3 months. On price, ads, in-app purchases and device support 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 ships an update every 3 months, ELM 2026 every 5 days. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.
| Parameter | GRAPPA App | ELM 2026 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13 |
| Further details — not scored | ||
| Size | 64 MB | 20 MB |
| Age rating | 17+ | 17+ |
| Developer | Group for Research and Assessment of Psoriasis and Psoriatic Arthritis | Expomeeting |
In-app purchases
GRAPPA App
No in-app purchases
ELM 2026
No in-app purchases









