K Kardinal Studio
Skip the account wall. Start with the business.

Turn a real business into a useful app.

Choose the product, verify what matters, shape it on your phone, and publish. Save it to a home screen and it behaves like an app—with its own icon—without pretending it came from an app store.

Annual billing is preselected. Every price below is a recurring subscription, and customers can cancel through the billing portal; access continues through the paid term.
All-in-one business front door

Business App

Contact actions, service details, installability, and optional Smart Lead, Smart Schedule, and visitor-controlled Smart Text.

$977 / year · or $109 monthly
Build a Business App →
Separate product

Review Page

Google included. Add Yelp and Facebook independently. Search the business, tune the brand, preview on a phone, and publish.

$377 / year · or $42 monthly
Build a Review Page →

Kardinal is a progressive web app platform from 501 Marketing. Existing 501 Marketing customer pages remain operational during migration.