Best apps like when-where-what-database

Estonian Learn For Beginners

Learning estonian in 4 weeks

Free

Master Estonian with a comprehensive, user-friendly app designed for beginners and travelers. It offers over 8000 words, 200+ topics, and interactive quizzes to build fluency from the alphabet to advanced conversations. Learn anytime, anywhere with offline access and track your progress.

Inko: AI Language Learning

Spanish, Japanese, English +

Free

Practice speaking a new language with an AI for just 60 seconds daily. Receive personalized lesson notes comparing your speech to a native speaker's, and save new vocabulary to reinforce learning. Generate a review podcast from your lessons for on-the-go practice.

Krumbit: Learn While Scrolling

Learn while you scroll

Free

This app transforms your scrolling time into learning opportunities. Watch short video lessons on various topics and test your knowledge with quick quizzes. Build a daily habit of continuous learning in just minutes a day.

My Vocabulary Lists

Save dictionary words to lists

Free

This app helps users expand their English vocabulary by saving words to custom lists. It offers a dictionary with over 350,000 words, pronunciation audio, and example sentences. Users can organize lists into folders and share them or use them for personal study.

Cosmic Ray Detector SORAMAME

Cosmic Ray Detector

Free

Turn your smartphone into a cosmic ray detector and contribute to real-time space research. Capture invisible high-energy particles from deep space using your device's camera sensor and see detections from around the world.