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Cassis

Appointment reminders from the number customers already trust.

Cassis connects to your calendar and sends SMS from your own phone's SIM.

Download

Available on Android - iOS coming soon

Customer sees

A normal SMS from the business number they already know.

Sample SMS reminder a Cassis customer receives

How it works

From calendar event to customer reminder in three steps.

01

Connect your calendar

Start with Google Calendar. Microsoft and CalDAV are planned.

02

Set your reminder rules

Choose templates, timing, and default rules.

03

Send from your SIM

Android sends through your number. iOS support is next.

Plans

Simple tiers. Public pricing later.

Free

Try Cassis with one business.

  • 50 SMS reminders per month
  • One business
  • Basic calendar sync

Starter

For regular reminders.

  • 500 SMS reminders per month
  • One business
  • Faster sync

Pro

For busier teams.

  • 5,000 SMS reminders per month
  • Up to five businesses
  • Priority sync
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