Aoumiushi
Web App Library
Web App Library
A curated collection of web apps designed to make your everyday moments more delightful. Discover tools that work seamlessly across languages and platforms, crafted with passion by developer Aoumiushi. Every app is presented equally—no hierarchy, just pure exploration and discovery.
Coming soon to Google Play Store
Retro Pixel Camera
Add some noise to the perfect world. Transform your photos into nostalgic pixel art masterpieces reminiscent of 80s-90s retro games. Embrace the beauty of imperfection with customizable low-resolution and color-reduced filters that bring warmth back to digital photography.
[JP][EN]
Smart Shopping Assistant
Which is the better deal? Find out instantly! Just enter the quantity and price of two products, and this app automatically calculates unit prices to show you the best value at a glance. Smart shopping made simple.
[JP]
Launch instantly, no installation required · Add to your home screen for app-like experience
※Install by selecting "Add to Home Screen" or "Install App" from your browser menu
Master Anything Faster
Your ultimate study companion for efficient memorization. Create, manage, and master flashcards with beautiful 3D animations. Perfect for language learning, exam prep, or building any knowledge base.
[JP]
Web Version
Calculate and compare unit prices from product quantity and cost. Your smart shopping assistant for finding the best deals every time.
[JP]
Essential Math Made Easy
A clean, intuitive calculator for everyday math. Basic arithmetic operations plus advanced features wrapped in a delightfully smooth interface that makes calculations feel effortless.
[JP]
Track Every Transaction
Add, subtract, and track with precision. Manage calculation history with ease and leverage repeat operation features for streamlined number crunching.
[JP]
Game On!
Perfect for volleyball, table tennis, and more! Track scores with style and precision. Built-in timer keeps every match perfectly timed.
[JP]
HIIT Training Partner
Maximize your high-intensity interval training! Classic Tabata-style timer that automatically switches between work and rest periods. Push your limits with precision timing.
[JP]
Watch Life Evolve
Mesmerizing cellular automaton simulator. Observe beautiful patterns of life emergence and evolution. Create your own patterns or explore classic configurations like gliders.
[JP]
Master the Math
Fast and accurate mahjong scoring made simple. Complex calculations processed instantly, so you can focus on strategy instead of arithmetic.
[JP]
Classic Block-Stacking Fun
The timeless puzzle game, reimagined for modern browsers. Built with pure HTML/JavaScript, featuring mobile-friendly touch controls for gaming on the go.
[JP]
Icons in Every Size
Generate all required PWA icon sizes from a single SVG. Supports maskable icons for perfect display across all platforms. Preview and download in one click.
[JP]
"Web apps that spark joy in your life"
Aoumiushi is a passion project—a developer's portfolio meets multilingual web app platform. We believe in the democratization of tools: no flagship app, no hierarchy. Every creation stands equal, inviting you to explore freely and discover what resonates with you.
We design with empathy, putting users first. No complicated interfaces, no learning curves—just intuitive design and features that actually matter. Every app is crafted to feel natural from the first tap.
All our web apps are completely free. No ads, no in-app purchases, no compromises. Just pure, delightful tools supporting your digital life.
Have questions, feature requests, or bug reports? We'd love to hear from you!
Your feedback helps us create even better apps for everyone.