LanGeek | Vocabulary & Grammar

An app for parallel reading of books in two languages (original + translation) with built-in translator, dictionary, and voice playback support for learning foreign languages through natural reading.

A quiz game for testing knowledge of Russian language and spelling with a scoring system, designed for schoolchildren and adults seeking to improve their literacy.

Develop English listening comprehension, expand vocabulary, and improve reading and writing skills in one app.

An app for creating personal vocabulary lists with support for quiz games, built-in word pronunciation, and an integrated translator. Works offline without registration and automatically retrieves translations from Google Translate.

Offline English dictionary with 1M+ articles, photo translation, and spaced repetition system for word retention; requires paid subscription for core functionality.

Offline dictionary with support for 6–11 languages, photo translation and flashcards for memorization, but with numerous issues regarding dictionary loading, purchase recovery and app instability.

Context-based translator with examples from real texts and word memorization tools (flashcards, tests). Supports 14 languages, offline mode and browser integration, but experiences synchronization errors and server crashes.

Basic English course using Dmitry Petrov's method.