Frequently Asked Questions

Questions? Check out some answers below. If you don't find what you need, just let us know!

  • How do I start using CoScreen?
    Download the Mac or Windows application, install it, and create your free account. (If you'd like to see a Linux, web, or mobile client, sign up to show your interest!)

    The first time you use CoScreen, you'll go through a brief tutorial on interacting with shared windows. Hope your tic-tac-toe skills are ready!
  • Is CoScreen free?
    Yes, CoScreen is free for up to 10 sessions per month. For more info, see our pricing.
  • Do you have any discounts for non-profits, students, startups, etc?
    Yes. CoScreen is free for non-profits. CoScreen Pro is also free for students who have qualified for the GitHub Student Developer Pack - just email us!
  • How many users can be in the same CoScreen session?
    There's no set limit and it depends on the computing resources of each participant. Depending on bandwidth and computing power, typically around 10.
  • How is session usage calculated?
    Sessions are only counted when more than one person is present. Sessions under 1 minute are not counted.
  • Can I associate multiple domains or teams with my account?
    Yes. Contact us and we'll make sure everything is set.
  • Is CoScreen secure?
    Yes. Security is our top priority. CoScreen uses P2P whenever there are only two participants that can connect directly. With more than two particpants, we use an open source video infrastructure (Jitsi) with thousands of servers around the globe. Jitsi encrypts all video data using DTLS-SRTP and is also HIPAA compliant.
  • What security and privacy accreditations does CoScreen have?
    Our infrastructure is built on the ISO 27001, FISMA, NIST-compliant, and HIPAA-compatible vendor 8x8. We have SOC2 Type 1 certification, and meet the GDPR (General Data Protection Regulation) requirements of the European Union. Read more about our security and certification status.
  • Where can I find the release notes?
    You can read and subscribe to product announcements at
  • Is there a public API?
    Yes. Our API is currently beta and provides a limited set of actions, and we're ready for your feedback. You can learn more at our Postman Workspace. And we'd love to hear what you're building.
  • Why can't I share <app>?
    On Windows, some applications running as admin cannot be shared. Additionally, we block sharing for certain apps by default for privacy reasons.