Plus and Essential

Plus and Essential

Your digital gradebook and classroom planner for all your devices

Manage your every day as a teacher with a simple and easy to use application

Discover the main features and potential

100 millions of grades created

3 millions of students registered

+ 150 functionalities

+ 25 years in the education industry

Disponible para smartphone, tablets y dispositivos de sobremesa

Work offline optimizing your time anywhere

Available in all devices you use every day

Register now and find the best application to manage your classes

Tablet mostrando la aplicación Collaborate


It adds the ability to share groups, grades structure, calendar

Additio App Collaborate integrates all functionalities Additio Plus. In addition, administrators have a powerful central management panel.

Additio App practices fully support the requirements of FERPA and LOPD. We will never sell your information to anyone.

We thoroughly secure coding practices applications and perform regular checkups and testing codes by independent researchers.

Teachers from thousands of schools around the world trust us