USign is a mobile application developed by Soluciones Cuatroochenta S.A, designed for iPhone users in the Business & Productivity category. It offers the convenience of signing various types of documents using a digital certificate directly from your mobile device. The app ensures security and efficiency, allowing users to manage multiple signatures with ease.

With USign, signing documents becomes a quick and straightforward process. In just 20 seconds, users can select a document, choose a signature, and specify its placement. The app also enables immediate sharing or saving of the signed documents for future reference.

Furthermore, USign provides options for managing all signed documents, ensuring easy access whenever needed. Users can enjoy the first signature for free and opt to purchase additional signing packages or subscribe for unlimited signatures on a monthly or annual basis with automatic renewal and the flexibility to cancel anytime.