Work faster in Kumon Class-Navi

Class-Navi+ is a subscription Chrome extension for Kumon instructors. It adds grading assistance, worksheet pattern tools, and workflow shortcuts directly inside the Class-Navi web app.

Chrome extension Monthly subscription Secure Stripe billing

Features for instructors

Class-Navi+ is sold as software-as-a-service. There are no physical goods shipped. All value is delivered through the extension after you subscribe.

Faster grading

Reduce time spent on repetitive marking tasks with in-page tools designed for Class-Navi workflows.

Pattern library

Store worksheet patterns and reapply them so you spend less time on setup for recurring assignments.

Simple billing

Sign in with email, subscribe with Stripe Checkout, and refresh access from the extension popup anytime.

How it works

Install from the Chrome Web Store, create an account, and subscribe to unlock paid features.

  1. Install Class-Navi+ Add the extension to Google Chrome, then open Kumon Class-Navi in a tab.
  2. Create your account Sign up with email and verify your address. Sign in on any Chrome profile where the extension is installed.
  3. Try it free, then subscribe Your first month is free. To keep going, click the Class-Navi+ icon and choose Upgrade to Pro for a secure Stripe checkout. Your access is tied to your account.
  4. Use in Class-Navi Open the extension popup to confirm access, then use tools on supported Class-Navi pages.

Class-Navi+ is an independent tool for instructors. It is not affiliated with, endorsed by, or operated by Kumon Institute of Education or Kumon North America.

Pricing

Priced per subject enrollment, counted automatically from Class-Navi. Your first month is free.

Questions

What am I buying?

A digital subscription to the Class-Navi+ Chrome extension. You receive software access, not physical products.

How do I get help?

Email us at support@centerflowapp.com or use the contact page. We typically respond within 2 business days.

Refunds and disputes?

See our refund & dispute policy for eligibility, chargebacks, and how to contact us before disputing with your bank.