Organic Chemistry Naming Tutor

Habit tracking app with a polished interface, statistics and reminders, but with a restrictive monetization model: free tier limited to 3 habits, additional content behind a paywall.

HelloChinese is an application for fun, convenient and effective learning of the Chinese language.

An app for learning German words through interactive flashcards using the Ebbinghaus spaced repetition algorithm, containing thousands of words organized by categories, with offline functionality and support for adding custom words.

Duolingo is an app for independent language learning through short gamified lessons with pronunciation, reading, listening, and writing exercises. In practice, it frequently has issues with audio, progress synchronization, and content loading.

Casual action game about catching zombies with restaurant/laboratory management elements, works mostly offline but heavily loaded with ads and microtransactions.

A 3D adventure game featuring level exploration, character rescue and multiplayer, with parkour mechanics and enemy combat.

Free offline word search puzzle game with thousands of levels where players connect letters with lines to form words; contains educational facts about marine fauna but is heavily laden with ads.

A word search puzzle game with 2000+ levels, works offline and supports 8 languages including Russian.