Comparison

GRAPPA App vs CRUSE Control Urticaria

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read 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.

About

CRUSE Control Urticaria

This app helps individuals manage chronic urticaria by tracking daily symptoms and their impact on quality of life. It facilitates communication with healthcare providers to optimize treatment based on recorded data. Developed by leading dermatologists and allergologists, it aims to provide better control over the condition.

Highlights
  • Daily symptom recording
  • Quality of life impact tracking
  • Treatment response monitoring
  • Physician collaboration tool
  • Developed by medical experts
Features
Read full description

CRUSE® is an APP developed by renowned dermatologists and allergoligists to help patients with Chronic Urticaria manage their condition. Take control of your Chronic Urticaria by recording your symptoms and impact on your quality of life in just a few minutes each day. Track how you respond to treatment and how it can be improved by using CRUSE in cooperation with your treating physician. Over 50 million people worldwide have Chronic Urticaria. It is a common condition that causes itchy wheals and/or swellings (angioedema) and can be very debilitating. To ensure optimal treatment, continuous monitoring and documentation of disease activity is essential. From now on, CRUSE® will take care of this for you. Your UCARE Team - With more than 130 member centres in 41 countries, GA²LEN’s Urticaria Centres of Reference and Excellence (UCARE network) is the biggest and most active consortium of urticariologists and urticaria centres. Are you a physician? Find out more on www.cruse-control-com

Screenshots

GRAPPA App4 screens
CRUSE Control Urticaria3 screens

Verdict

The call

The clearest difference is update cadence: CRUSE Control Urticaria at weekly against GRAPPA App's every 3 months. CRUSE Control Urticaria also leads on ratings volume (8 vs 2). GRAPPA App's advantage is rating (5.0 vs 4.8) and iOS requirement (13.0 vs 15.5). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

GRAPPA App holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 2 and 8 respectively.

UpkeepUpdate frequency

GRAPPA App ships an update every 3 months, CRUSE Control Urticaria weekly. The most recent releases landed on October 8, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
GRAPPA App versus CRUSE Control Urticaria: the parameters behind the verdict, then further details
ParameterGRAPPA AppCRUSE Control Urticaria
PriceFreeFree
Rating5.0 (2 ratings) — better4.8 (8 ratings)
Positive reviews—75.9% of reviews
Number of ratings28 — better
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.5
Further details — not scored
Size64 MB35 MB
Age rating17+17+
DeveloperGroup for Research and Assessment of Psoriasis and Psoriatic ArthritisMoxie GmbH

Customer experience

GRAPPA App

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

CRUSE Control Urticaria

All ratings8 ratings
Positive87.5%
Neutral12.5%
Negative0.0%
Written reviews29 reviews
Positive75.9%
Neutral10.3%
Negative13.8%

In-app purchases

None

GRAPPA App

No in-app purchases

None

CRUSE Control Urticaria

No in-app purchases

Questions

Is GRAPPA App free?
GRAPPA App is free to download, with no in-app purchases.
Is CRUSE Control Urticaria free?
CRUSE Control Urticaria is free to download, with no in-app purchases.
Which has better reviews, GRAPPA App or CRUSE Control Urticaria?
GRAPPA App is rated higher. GRAPPA App averages 5.0 out of 5 from 2 ratings, while CRUSE Control Urticaria averages 4.8 from 8 ratings.
Do GRAPPA App or CRUSE Control Urticaria have ads?
Neither GRAPPA App nor CRUSE Control Urticaria shows ads.
Which is updated more often, GRAPPA App or CRUSE Control Urticaria?
GRAPPA App ships an update every 3 months, and CRUSE Control Urticaria weekly. Most recently, GRAPPA App was updated on October 8, 2026 and CRUSE Control Urticaria on November 3, 2026.

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