Creators

Stefan Rössler

Co-founder @simplease and @theuserbrain, university lecturer, and co-founder of the Austrian @World_Transform (WTM) Centre

@stefanroessler 133 X followerswtmaustria.com First product launched 11y ago

Total monthly visits
105.2K
Down0.9%MoMSep 2026
Public revenue
Undisclosed
No public revenue across products
Products
1
Since Jan 2015
Latest launch
11y ago
Userbrain105.2K visits/mo
100% full-depth creator dossier open: complete product portfolio, 12-month combined traffic & MRR curves, shipping cadence, and timeline events.

Traffic

Portfolio · Last 12 months
Monthly visits

Products

Products and research metrics
ProductVisits · SepActions
UserbrainMCPFind UX problems before your users do.105.2K

Timeline

Launches, marketing, revenue milestones, and pricing/plan/positioning changes across products

  1. Nov 1 · 14d ago

    • Userbrain Homepage headline (H1) changed to “Find UX problems before your users do.”Positioning

      Get started & tap into our pool of 145k+ testers today.→Find UX problems before your users do.

    • Userbrain Removed technology: Google Font APIFeatures

      Google Font API→—

    • Userbrain Removed technology: HotjarFeatures

      Hotjar→—

    • Userbrain Removed technology: MailChimpFeatures

      MailChimp→—

    • Userbrain Adopted technology: Priority HintsFeatures

      —→Priority Hints