Adjust clock hands to visualize time changes. Tap a crab to display and hear the current time in Japanese or English. Answer time-related questions. Record voice for time pronunciation.
by Akiyo Imanaka★ 4.416 ratingsEducationFreeData updated 2026-09-08
Play a retro arcade racing game with 14 stages. Choose a character and path while driving. Use real-time road splits. Enjoy pixel art graphics and 3 pop-rock tracks. Compete against a challenger and beat the clock.
Learn Japanese hiragana characters with audio pronunciation. Practice basic vocabulary through interactive exercises. Test knowledge with quizzes and track progress over time.
Simulate circuits using components like AND, OR, NOT gates, flip-flops, and multiplexers. Build and test circuits with drag-and-drop components. View output through monitors and adjust inputs manually. Save and share designs.
Play math challenges against friends in real-time. Solve problems under time limits. Track progress and earn rewards. Learn math concepts through interactive games. Share scores and compete weekly. Sync achievements across devices.
Adjust audio signals with a 4-pole and envelope follower. Modify frequency response and dynamic motion. Connect to mobile devices for real-time sound processing and parameter control.
Record voice notes and transcribe them in real time. Generate structured summaries for organized notes. Edit, search, and share notes directly. Capture meeting ideas, brainstorming sessions, or journal entries hands-free.
Stream radio station content globally. Access station information, view playlists, purchase songs, and share content socially. Set alarm clock and sleep timer. Receive local news, sports, and contest updates.
Solve simple math equations in an arcade game format. Track progress over time. Adjust difficulty levels. Receive instant feedback on answers. Compete with friends through leaderboards. Share achievements on social media.
The app helps students visualize time for better productivity. It includes a digital display and a bar graph for younger children to understand remaining time.
Learn the language with 500 words and phrases. Play 3 levels of games and 3 types of quizzes for practice. Record and compare pronunciation with native speakers. View images related to history and culture.
The app presents a real-time cuckoo clock with animated birds and a swinging pendulum. Users can interact with the clock face, choose hourly chimes, and customize settings.
A visual and sound experience that simulates a vinyl record player. Users can view a realistic turntable, switch between 33 RPM and 45 RPM speeds, and interact with a scratch function by sliding the record.
And words with interactive practice. Search terms in or English. Hear native pronunciation. Adjust font size. Practice offline without internet connection.