Underline

Underline is a vocabulary expansion app that allows users to translate, save, and memorize words they encounter in their daily activities.

The app offers personalized vocabulary building with usage examples based on previous translations and content read.

Users can learn new vocabulary that is relevant to their work, and the app provides features such as a Chrome extension for translating and saving words while working on the computer, a learning mode to focus on necessary vocabulary, a mobile translator, and progress monitoring with goal-setting.

Underline aims to enhance language learning and has received positive customer reviews for its helpfulness and user-friendly design.