Coupler.io provides a simple and efficient way for entrepreneurs and small businesses to integrate their apps with Google Sheets, offering automatic data refreshes and import modes. The platform supports integration with popular data sources such as Airtable, Xero, Pipedrive, HubSpot, Quickbooks, Jira, and more. Coupler.io also offers a CSV importer for uploading data from other apps. Currently available for free, the platform plans to introduce billing in the future, with early adopters receiving a 50% discount on paid plans for one year.