
Games and tools, made with care.
Peach Studio builds small, focused apps — puzzles, learning games, and creative toys — for Android, the web, and Chrome.
SpiroCanvas
Draw mesmerizing spirograph patterns & mandalas - relaxing geometric art.
SpiroCanvas brings the classic Spirograph toy to your fingertips — draw beautiful, intricate geometric patterns and mandalas with just a few taps. It's a relaxing, satisfying creative escape for doodlers, pattern-makers, and anyone who loves generative art.
MCR Dojo
Learn 81-fan Chinese Official Mahjong scoring with bite-sized quizzes.
MCR Dojo — learn Chinese Official Mahjong (国标麻将) scoring the way you actually remember it: by solving small, focused quizzes with instant feedback.
Note Quest
Learn to read music notes - a friendly, fast way to memorize the staff.
Note Quest helps absolute beginners actually learn to read music notes on the staff - and come back tomorrow so it sticks.
Open Book Reader
Turn any web article into a calm two-page open book - flip pages with the arrow keys.
Turn any long web article into a two-page open-book view with keyboard page-flipping. Extracts the article with Mozilla Readability, paginates it into left/right pages, and flips with the arrow keys - realistic page-turn, paper/light/dark themes, adjustable font. Open source (MIT), fully local.
Shiji AI Reader
Read the Records of the Grand Historian (史記) with AI-powered translations
Explore 130+ chapters of the Shiji with structured content, AI-powered translations and explanations, an annotation system for people, places, terms, and grammar, plus bookmarks, highlights, and reading progress tracking.
Avatar Arcade
Classic arcade games with AI-powered avatar personalization
A collection of 9 classic arcade mini games with AI-powered avatar personalization. Play timeless games with a personalized twist, all in one app.
Skill Tree
Visual skill tree for tracking learning progress
A visual skill tree app for tracking learning progress with unlimited depth, 5 growth stages from Sprouting to Fruiting, milestones with descriptions and dates, drag-and-drop reorganization, and local persistence.
Shengji
Chinese trick-taking card game with AI opponents
Shengji (升级, meaning 'Upgrade'), also known as Tractor (拖拉机), is a Chinese trick-taking card game. This implementation uses 3 decks with a hybrid AI system combining BehaviorTree rule-based decisions and LLM strategic decisions via Gemini.
Life Balance
Visualize your weekly time allocation across 6 life dimensions
A Flutter app that helps users visualize their weekly time allocation across 6 life dimensions: Career, Family, Social, Health, Growth, and Leisure. Features linked sliders, Life Tree and Desert Oasis visualizations, weekly history tracking, and image sharing.
Lottery Lifetime Simulator
Visualize the true odds of winning the lottery
Will I win the lottery if I keep playing? This simulator answers honestly - it plays Powerball, Mega Millions and 23 more real games for an entire lifetime, over and over, so you can watch the true odds play out instead of guessing.
Riichi Dojo
Gamified Japanese Mahjong learning app
日麻道场 - A gamified Japanese Mahjong learning app with quiz-based learning covering yaku, furiten, scoring, and gameplay strategy. Features interactive tile displays with proper mahjong notation and progress tracking.
MindForum
Chat with historical figures powered by AI
An AI chat application that enables users to have consultations with historical figures. Features multi-participant conversations where historical figures can discuss topics with each other and the user, powered by Firebase and AI.
Orchestra Visualizer
See each instrument come alive as MIDI files play
Interactive symphony orchestra visualization - load and play MIDI files with SoundFont audio synthesis. Visual representation of orchestra sections (strings, woodwinds, brass, percussion) with instruments that glow and animate when playing notes in real-time.

Mayfly Life
Live each day as a complete lifetime through the mayfly metaphor
A philosophical app that reframes daily life through the mayfly metaphor - each day a new 'mayfly' inhabits your 'character' for 24 hours, making each day feel like a complete lifetime. Features daily tasks, evening reviews, and meaningful reflections.
TwinSubs
AI Subtitle Translator & Merger - Create bilingual subtitles effortlessly
TwinSubs is an AI-powered subtitle translator and merger that creates bilingual .srt files with two languages displayed simultaneously (one above, one below). Built with AI translation technology, it automatically detects source languages and generates perfectly synchronized dual-language subtitles for your videos.
Battleship Practice
Classic naval strategy. Place ships, hunt enemy fleet, and dominate the seas!
Master the classic game of Battleship in this dedicated practice environment! Perfect your strategic thinking and tactical skills at your own pace. Practice Battleship gameplay without pressure, improve your strategic thinking and tactics, play solo to master the game mechanics.
Honeycomb Bubble Breaker
A completely new way of bubble breaking with honeycomb-shaped bubbles
The sister version of Classic Bubble Breaker with over 10 million downloads. Experience bubble breaking in a completely new way with honeycomb-shaped bubble design. Tap connected bubbles with the same color to score and compete with others through the online ranking system!

Balance Master HD 2
Free 2D physics game — balance the blocks
A physics balance game. In every puzzle, your goal is to place all the shapes without dropping them off the screen. Let's see who can achieve the perfect balance!

Classic Bubble Breaker
The most classic version of Bubble Breaker
A classic puzzle game — tap connected bubbles of the same color to score. Aim for the highest score you can, and compete with others in the online ranking.


