To use this application, you must have been previously invited to participate in a research project, as a username and password are required.

TrialPal is an application that enables real-time reporting of possible symptoms associated with the administration of a vaccine or the intake of a medication. It also allows for the recording of an electronic diary and communication via chat with site personnel.

The application helps users track the reports they need to complete daily and manage the scheduling of future report submissions.

All application functionalities are configured from the site according to the protocol of the project in which users are participating.