RAUSSA vs Virtual37
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RAUSSA
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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).
Virtual37
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Virtual37 is a Temperature Management Tool, developed in order to support health care professionals in maintaining normothermia and using The 37Company solutions. This simulation tool offers an innovative and easy way to understand the warming balance impact of warming decisions taken in different patients and surgeries. You can use this tool in daily practise yourself as well.
Screenshots
Verdict
The clearest difference is update cadence: RAUSSA at every 4 days against Virtual37's every 7 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.
RAUSSA ships an update every 4 days, Virtual37 every 7 months. Both last shipped on November 11, 2026.
| Parameter | RAUSSA | Virtual37 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 29 MB | 62 MB |
| Age rating | 17+ | 12+ |
| Developer | Dialogo Tecnologico S.L.L. | The Surgical Company International B.V. |
In-app purchases
RAUSSA
No in-app purchases
Virtual37
No in-app purchases









