Comparison

RAUSSA vs GRAPPA App

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

Head to head
About

RAUSSA

Features
Read full description

Ultrasound detected synovitis is a powerful imaging tool used worldwide that helps diagnose, monitor and treat patients with rheumatoid arthritis . RAUSSA application has been developed to help you score joint and tendon ultrasound grey scale and Doppler detected synovitis while performing your ultrasound examination.  RAUSSA is made-up of almost 400 images from patients with rheumatoid arthritis. Takes no more than 2 minutes to learn!  In every area you can look at a representative anatomic specimen image, up to 4 different US images with the same grey scale or Doppler mode score. , Dr. J. Uson MD PhD , Dr.  I. Möller MD PhD and Dr. E. Naredo MD PhD,  experts in rheumatologic ultrasound have obtained the images in this app. The ultrasound definitions and semi-quantitative scoring method used in this app. are those driven and reported by OMERACT (Outcome Measures in Rheumatology in Clinical Trials) validated for diagnoses and monitoring inflammatory activity in patients with rheumatoid arthritis (Bruyn GA, Naredo E, Iagnocco A. J Rheumatol 2015;42 (11):2172-6).

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.

Screenshots

RAUSSA4 screens
GRAPPA App4 screens

Verdict

The call

The clearest difference is update cadence: RAUSSA at every 4 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

RAUSSA ships an update every 4 days, GRAPPA App every 3 months. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.

Scorecard1 real difference · 8 level
RAUSSA versus GRAPPA App: the parameters behind the verdict, then further details
ParameterRAUSSAGRAPPA App
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 4 days — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size29 MB64 MB
Age rating17+17+
DeveloperDialogo Tecnologico S.L.L.Group for Research and Assessment of Psoriasis and Psoriatic Arthritis

In-app purchases

None

RAUSSA

No in-app purchases

None

GRAPPA App

No in-app purchases

Questions

Is RAUSSA free?
RAUSSA is free to download, with no in-app purchases.
Is GRAPPA App free?
GRAPPA App is free to download, with no in-app purchases.
Do RAUSSA or GRAPPA App have ads?
Neither RAUSSA nor GRAPPA App shows ads.
Which is updated more often, RAUSSA or GRAPPA App?
RAUSSA ships an update every 4 days, and GRAPPA App every 3 months. Most recently, RAUSSA was updated on November 11, 2026 and GRAPPA App on November 2, 2026.

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