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Castr alternatives · Webinars

Castr alternatives with a Windows app

The Castr listing does not include a Windows app. 5 of the 34 other webinar and live streaming tools in this directory list a Windows app.

Castr is a paid product with a free trial, starting at $16.67 per month, billed annually ($19.99 billed monthly). 1 of them is free or has a free plan.

5 tools · Listings checked up to Nov 12, 2026 · Where the facts come from

How each one differs from Castr

  1. Streamlabs

    Live streaming apps, overlays and tools for creators

    • Streamlabs starts at $27 per month, or $189 per year. Castr starts at $16.67 per month, billed annually ($19.99 billed monthly).
    • Streamlabs has a free plan. Castr does not, though it has a free trial.
    • Only Streamlabs lists Windows, macOS, iOS and Android apps.
    • Streamlabs also covers video editing.
    Streamlabs vs CastrStreamlabs pricing and details

  2. Zoom Webinars

    Zoom's own webinar product, licensed per host by audience size

    • Zoom Webinars starts at $83.33 per user / month, billed annually ($129 billed monthly). Castr starts at $16.67 per month, billed annually ($19.99 billed monthly).
    • Only Zoom Webinars lists macOS, Windows, Linux, iOS and Android apps.
    • Zoom Webinars also covers webinars.
    Zoom Webinars pricing and details

  3. ClickMeeting

    Webinars and online meetings with paid events and automation

    • ClickMeeting starts at $39 per month for up to 50 attendees, billed annually ($49 billed monthly). Castr starts at $16.67 per month, billed annually ($19.99 billed monthly).
    • Only ClickMeeting lists macOS, Windows, iOS and Android apps.
    • ClickMeeting also covers transcription, whiteboard, ticketing and webinars.
    ClickMeeting pricing and details

  4. vMix

    Windows live video production and streaming software

    • vMix starts at $60 one-time for Basic HD, or $50 per month for vMix MAX. Castr starts at $16.67 per month, billed annually ($19.99 billed monthly).
    • Only vMix lists a Windows app.
    • Only Castr lists a web app.
    • vMix can be bought with a one-time purchase.
    vMix pricing and details

  5. GoTo Webinar

    Long-running webinar platform for trainings, town halls and marketing

    • GoTo Webinar starts at $62 per organizer / month, billed annually. Castr starts at $16.67 per month, billed annually ($19.99 billed monthly).
    • Only GoTo Webinar lists macOS, Windows, iOS and Android apps.
    • GoTo Webinar also covers transcription and webinars.
    • Castr also covers multistreaming.
    GoTo Webinar pricing and details

Common questions

Which Castr alternatives have a Windows app?

Streamlabs, Zoom Webinars, ClickMeeting, vMix and GoTo Webinar list a Windows app.

Does Castr have a Windows app?

The Castr listing does not include a Windows app. It lists Web.

Which of these webinar and live streaming tools are free?

Streamlabs is free or has a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 18, 2026 to Nov 12, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Castr: the alternatives its listing names first, then the tools that share the most features with it.