Download Backstop
Install Backstop on your child's laptop. Signed and notarized on macOS; signed with an EV certificate on Windows.
All installers
What you get
- Endpoint agent that takes screenshots and evaluates them with your BYOK LLM.
- A tray/menu-bar indicator (transparent mode) so your child knows Backstop is running.
- Blocklist enforcement via hosts file, Chrome / Edge group policies, and (v1.1) a browser extension.
- Auto-update from a signed manifest anchored to a key we cannot export.
System requirements
- Windows 10 (build 19041+) or Windows 11.
- macOS 13 Ventura or later.
- Admin credentials on the target device for install and permission grants.