Kiosk vs WebhookRelay

Kiosk plans

• FreeFree
• KioskFree

WebhookRelay plans

• FreeFree

Pick Kiosk if…

Kiosk suits readers who want a free PDF app across desktop, mobile, web, or a supported browser, with search and display options. It also fits people who want on-device PDF processing and annotation tools in the Chrome extension.

Pick WebhookRelay if…

It suits developers who need webhook buffering, inspection, retries, signature verification, and API-managed endpoints. The free plan is described for side projects and testing.