# ATREON – Joyn and DETECTRA

> ATREON SA is a Swiss medical technology company (Pully, Vaud) developing digital solutions for inflammatory arthritis. Joyn is its app and web dashboard that lets patients record symptoms, medication and standardised hand images each week and share them with their rheumatology care team between appointments. DETECTRA is the research version of Joyn, used only in clinical studies (AutoPiX trials).

Key facts:
- Joyn for patients: free to use; Connect+ subscription (CHF 10/month) to share weekly entries with a rheumatologist.
- Joyn for healthcare professionals: web dashboard for remote patient monitoring, per-patient pricing.
- Joyn does not diagnose, assess disease activity or replace clinical appointments; clinical interpretation remains with the healthcare professional.
- DETECTRA is an investigational device (not a commercial product) that adds experimental features such as the Finger Fold Index, evaluated in randomised multicentre trials in Switzerland, Germany, Austria and Denmark.
- Clinical investigations are conducted with the Lausanne University Hospital (CHUV).
- Contact: info@detectra.app, Chemin de Rennier 4, 1009 Pully, Switzerland.

## Main pages

- [Home](https://atreon.ch/): Joyn helps people with inflammatory arthritis record symptoms, medication and hand images weekly and keeps their rheumatologist informed between appointments.
- [Joyn for patients](https://atreon.ch/for-patients/): Track your arthritis with Joyn: weekly symptoms, medication and hand images. Free to use, or Connect+ (CHF 10/month) to share updates with your rheumatologist.
- [Joyn for healthcare professionals](https://atreon.ch/for-healthcare-professionals/): Joyn gives rheumatology care teams structured weekly patient data, hand images and symptom trends between visits, for remote monitoring and follow-up.
- [Clinical evidence (DETECTRA)](https://atreon.ch/clinical-evidence/): DETECTRA, the research version of Joyn, is evaluated in the AutoPiX multicentre trials. Read our peer-reviewed research on the Finger Fold Index and hand imaging.
- [FAQ](https://atreon.ch/faq/): Answers to common questions about Joyn for patients and healthcare professionals: pricing, Connect+, data sharing, reimbursement and getting started.
- [About ATREON](https://atreon.ch/about-atreon/): ATREON SA is a Swiss medtech company in Pully, Vaud, developing Joyn and DETECTRA, digital solutions for inflammatory arthritis. Meet the team and our partners.
- [News](https://atreon.ch/news/): News from ATREON: grants, clinical research, partnerships and product updates on DETECTRA and Joyn for inflammatory arthritis care.
- [Contact](https://atreon.ch/contact/): Contact ATREON SA in Pully, Switzerland, about Joyn, DETECTRA, research collaborations or partnerships. Email info@detectra.app or use our contact form.
- [Get the app](https://atreon.ch/app/): Download the Joyn app for iPhone (TestFlight beta) or Android (Google Play) to track your arthritis symptoms, medication and hand images each week.

## News

- [ATREON in the Future of Health Grant Spring cohort 2026](https://atreon.ch/future-of-health-grant-spring-cohort-2026/) (2026-03-09): ATREON has been selected as a Level 3 participant in the Spring 2026 cohort of the Future of Health Grant, among 352 applicants.
- [DETECTRA Featured in Medscape’s April 2025 Rheumatology Edition](https://atreon.ch/detectra-medscape-feature/) (2025-04-30): DETECTRA was featured in Medscape Rheumatology News (April 2025), in an article on remote patient monitoring in rheumatology.
- [DETECTRA Joins the European AutoPiX Project](https://atreon.ch/detectra-autopix-european-project/) (2025-03-31): DETECTRA partners with CHUV in the European AutoPiX project, advancing imaging biomarkers for inflammatory arthritis.
- [ATREON Receives InnoDigital Grant to Boost DETECTRA’s Impact](https://atreon.ch/innodigital-grant-atreon/) (2024-08-27): ATREON received the InnoDigital Grant from the Canton of Vaud to accelerate the development of DETECTRA.
- [DETECTRA Registered in Switzerland’s ARAMIS Research Database](https://atreon.ch/aramis-detectra-swiss-research/) (2024-03-06): DETECTRA is officially listed in ARAMIS, the Swiss Federal Administration's public directory of research projects.
- [DETECTRA amongst the 10 digital healthcare start-ups awarded by the Future of Health grant](https://atreon.ch/future-of-health-grant/) (2022-09-26): DETECTRA was one of ten digital health start-ups awarded by the Future of Health Grant, chosen from nearly 95 projects.

## Optional

- [Legal notice](https://atreon.ch/legal-notice/): Legal notice for the ATREON SA website: company details, registered address in Pully, Switzerland, and legal disclaimers.
- [Privacy policy](https://atreon.ch/privacy-policy/): ATREON SA privacy policy and GDPR documentation for the Joyn and DETECTRA website and services.
- [Sitemap](https://atreon.ch/wp-sitemap.xml)