PopFax is described as 'global provider of professional Internet fax service. It offers low sending rates worldwide and Free trial online, with no credit card details requested'. There are more than 10 alternatives to PopFax for a variety of platforms, including Online / Web-based, Mac, iPhone, iPad and Windows. The best alternative is Hellofax, which is free. Other great apps like PopFax are faxZero (Freemium), GotFreeFax (Freemium), Mill For Business (Paid) and vFax (Paid).
MyFax is an award-winning Internet fax service that lets you send and receive faxes through your email, the web, or smart phone. MyFax provides exceptional value, a great low monthly price, and 24/7 Customer Support.
Over 11 million people use eFax every day for their fax communications. As a world-class Internet fax solution, eFax empowers you with many advantages, including the largest selection of local and toll-free fax numbers in over 3,500 cities and 48 countries around the world.