Projects

Mobile products by VIODRA STUDIOS.

Explore our published apps for Japanese study, audio cleanup, and daily focus, with store links and legal information for each app.

Katsu progress tracking screen from the earlier JLPT Quiz version
Katsu red Daruma app icon
Live Education app

Katsu: JLPT Quiz & Kanji

Study Japanese with JLPT-focused Kanji, vocabulary, quizzes, pronunciation, progress tracking, and optional cloud backups.

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Denoiser app screen for cleaning background noise from audio or video
Denoiser app icon
Live Audio utility

Denoiser: Audio Noise Remover

Clean background noise from audio files, video clips, voice notes, interviews, lectures, screen recordings, podcasts, and everyday recordings.

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Ritsu: Pomodoro Focus & Tasks
Live
Pomodoro focus
Plan your tasks 01
Start a focus session 02
Track your progress 03
Status
Available on Google Play
Live Productivity app

Ritsu: Pomodoro Focus & Tasks

A Pomodoro timer and task planner with adjustable sessions, calming scenes and sounds, and progress tracking. Available on Google Play.

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