Send unlimited invoices to customers with the best free invoices & estimate billing generator tool on Gmail™ add-ons, Android™, iOS™ , Windows™ and MacOS™ . Must have addon for all small businesses Reply to customers with an invoice, estimate, credit note and more right from Gmail™ ! Sign in with your existing Bookipi, or Invoice bee login details. Your data from mobile app will sync instantly. 1. Receiving Client's signature: Request your client to sign the invoice. 2. Option for customer to pay you via credit card and impose surcharge: You can choose to impose a credit card surcharge to your clients. 3. Active app support and rich tutorial content support: We promptly reply within 12 hours to all enquiries 4. Cloud accounting solution: All your invoicing data is backed up on the cloud. Terms of Service: https://bookipi.com/terms-of-service Private Policy: https://bookipi.com/privacy-policy