What is Linguisticat?

Linguisticat is a browser extension and mobile app that teaches vocabulary in real time while users navigate the web. The extension replaces selected words on any website with translations in a chosen language, allowing learners to see new terms in context.

Users can select multiple languages and proficiency levels simultaneously, and the app displays the words in flashcard format for quick review. A home‑screen widget summarizes learning progress and word counts. The tool is compatible with iOS Safari and supports over 70 languages, from Arabic and Chinese to Albanian and Swahili, making it suitable for language learners, students, and travelers who want to expand vocabulary during daily browsing.

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Linguisticat's key features

Browser vocabulary replacement
In-app flashcard learning
Multi-language, multi-level support
Homescreen widget integration
Progress tracking dashboard
Safari extension activation
Custom word replacement options

Linguisticat use cases

Discover and memorize new words while reading international news, with instant in‑page translations and flashcard review for quick retention
Prepare for a foreign trip by translating travel‑related phrases on booking sites, turning them into flashcards and tracking progress via the widget
Enhance collaborative research by translating technical terms on academic webpages, saving them as shared flashcards, and reviewing progress across devices