The +370 app is a free utility tool designed for Android users, aimed at simplifying the update of contact numbers in Lithuania. With the upcoming change to the phone number prefix in March 2025, this application allows users to swiftly update all their contacts to the new +370 prefix. It offers features such as automatic updates of contacts, backup creation, and easy access to settings for managing contacts.

With over 341,000 updated contacts already, the app provides a user-friendly interface for bulk updating with just a few taps. Users can also receive updates and support for ongoing contact management. The +370 app ensures that users are prepared for the upcoming changes in phone number formats, making the transition seamless and efficient.