Compare products
Cassie Consent2 vs Knock
People
Offer
No offer right now
No offer right now
Consent and Preference Management
Ask the vendor
Add a product here
Consent and Preference Management
Overview
Focus
Consent and Preference Management
Notification Infrastructure
Product
Cassie provides enterprise consent and preference management with multi-channel consent across regulations.
Knock is a notification infrastructure platform that provides APIs for building and managing multi-channel notification systems across in-app, email, push, SMS, Slack, and other channels.
Headquarters
Warrington, United Kingdom
San Francisco, California
Company size
51-200 employees
11-50 employees
Founded
2018
2021
Pricing details
Free options
Free plan, Free trial
Source updated
Oct 29, 2026
Oct 29, 2026