Iris and Ivy Apps

Apps by Iris and Ivy Shi – Education, Language, and Fun

A Note on Publishing

All apps on this site were independently designed, developed, and coded by twin sisters Iris Shi and Ivy Shi using SwiftUI and Xcode. Due to Apple's policy requiring developers to be 18 or older to hold an individual Apple Developer Program account, the apps are published under our mom's account.

1. Educational Tools

Dedicated to making high-stakes exam preparation accessible and effective. These free, ad-free apps provide original practice questions, progress tracking, and school resources to help students excel in academics and beyond.

BioChemQuizApp Free AP Biology, Chemistry, Calculus, Physics, Psychology & Statistics

practice

https://apps.apple.com/us/app/biochemquizapp/id6756890071

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SATMathPrepApp Dedicated SAT Math preparation tool

https://apps.apple.com/us/app/satmathprepapp/id6757112912

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ACLS Official app for Acton Chinese Language School (schedules, news, classrooms, etc.)

https://apps.apple.com/us/app/aclsapp/id6751474055

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2. Chinese Language Learning

Interactive tools designed to make learning Chinese fun and engaging for all ages. Through games and puzzles, these apps help users master characters, vocabulary, and word connections while celebrating Chinese language and culture.

Hanzi Matching Chinese character matching game, fit for JiNan Book study

https://apps.apple.com/us/app/hanzimatching/id6748588123

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Chinese Word Connect Chinese word connection puzzle, help you review Chinese characters

https://apps.apple.com/us/app/chinesewordconnect/id6747640831

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Chinese Card Chinese vocabulary card game

https://apps.apple.com/us/app/chinesecardgame/id6747404100

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3. Games & Entertainment

Creative projects exploring game design, logic, and strategy. From classic Mahjong to original puzzles and challenges, these apps showcase playful experimentation with interactive experiences.