Contact & support

Questions about billing, access, or a tool that is not behaving. A person reads every message.

Email us

Include your account email and a short description of the issue.

support@centeraide.com

Response time

We aim to reply within 2 business days (Monday to Friday, excluding U.S. federal holidays). Urgent billing issues come first.

Billing & subscriptions

For invoices, payment methods or cancelling, click the CenterAide icon and open Billing to reach the Stripe customer portal.

Report a bug

In the extension popup, click Report a bug. It sends the page and version with your note, so we can find the problem faster.

What to include

Your sign-in email, your Chrome version, and a screenshot if something fails on a Class-Navi or K-SIS page.

Business information

  • Business name: CenterAide
  • Product: CenterAide, a subscription Chrome extension for Kumon Class-Navi and K-SIS instructors
  • Type of sale: digital software subscription (no physical goods are shipped)
  • Website: centeraide.com

CenterAide is not affiliated with Kumon Institute of Education or Kumon North America.