Hi. When looking for the best iPhone fax app, it's important to focus on key features like ease of use, security, and cost-effectiveness. Popular options such as iFax and eFax provide a range of tools for sending and receiving faxes, but each app has its own strengths. iFax is known for its intuitive interface and cloud integration, making it easy to access and send documents from anywhere. On the other hand, eFax is a solid choice if you need reliable support for both faxing and digital signatures. There are also many other apps with different pricing models, features, and usability. For a detailed comparison of the best applications https://beebom.com/best-fax-apps-for-iphone/ for sending faxes on iPhone, I recommend reading.