Apps and games

VIODRA STUDIOS builds focused mobile experiences.

App and game development studio creating focused mobile products for Google Play and the App Store.

Mobile-first

Apps shaped for real store distribution and device usage.

Apps and games

A portfolio designed for utilities, learning tools, and future game releases.

Built with care

Thoughtful product details, smooth interactions, and focused interfaces across every release.

Projects

Apps and games by VIODRA STUDIOS

Focused mobile apps and game projects built for real users, store distribution, and long-term product growth.

All Projects
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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About

A compact studio for precise mobile products.

VIODRA STUDIOS focuses on building and publishing mobile utilities and interactive experiences.

Focus
Apps / Games
Platforms
iOS / Android

Marketplace profile

Explore our mobile releases.

Browse published releases and follow future mobile apps from the official VIODRA STUDIOS store profiles.

Google PlayApp StoreSoon