GRAPPA App vs Bamboo EventHub
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
Read full descriptionHide full description
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.
Bamboo EventHub
Stay informed about your event with session schedules, notifications, and speaker details. Access delegate books, directions, and floor plans. Submit feedback directly to organizers.
- Session schedules
- Notifications
- Speaker details
- Delegate books
- Event feedback submission
- Directions and floorplan
Read full descriptionHide full description
Keep up to date with your event. Featuring session schedules, notifications, speaker details, delegate books, directions, floorplan, general information. Submit feedback on the event directly to the organisers.
Screenshots
Verdict
The clearest difference is update cadence: GRAPPA App at every 3 months against Bamboo EventHub's every 8 months. GRAPPA App also leads on iOS requirement (13.0 vs 15.1). 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 ships an update every 3 months, Bamboo EventHub every 8 months. The most recent releases landed on October 8, 2026 and October 30, 2026 respectively.
| Parameter | GRAPPA App | Bamboo EventHub |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 64 MB | 15 MB |
| Age rating | 17+ | 17+ |
| Developer | Group for Research and Assessment of Psoriasis and Psoriatic Arthritis | Bamboo Medical Communications |
In-app purchases
GRAPPA App
No in-app purchases
Bamboo EventHub
No in-app purchases









