Linguisticat

Linguisticat is an iOS Safari Extension designed to help users learn languages through spaced reinforcement. It replaces words you know and want to learn in your target languages within your normal browsing experience. This tool supports multiple languages and levels simultaneously, offering a convenient way to learn vocabulary while browsing.

To use Linguisticat, first add the languages you want to learn. Then, go to Safari settings, tap Extensions, allow the Linguisticat Extension, toggle the values On, and tap All Websites, selecting Allow. After these steps, browse Safari and see the replacements.