This app is designed specifically for eFax® Plus, Pro and eFax Protect subscribers. eFax® offers the utmost flexibility in online faxing with three convenient ways to fax from anywhere, without a fax machine: 1. Use the eFax® app to send and receive faxes from your Android device. 2. Fax online from the eFax® web portal. 3. Fax by email from Gmail, Yahoo, Outlook and more. eFax® provides secure and reliable faxing to ensure your documents are transmitted safely. No set-up fees or long-term commitment: eFax® makes mobile faxing easy. Not an eFax® subscriber? Sign up at www.efax.com. We appreciate your eFax® reviews and feedback.