Frank looking out over the ocean at dusk

Artist's eye / Engineer's hands

Digital products,
made more human.

Frank Chen is an independent product builder with more than 15 years of software development experience. His work spans product design, visual experience, and software engineering, with experience across iOS, Flutter, Android, Windows, and backend development. From early concepts, interface design, and technical architecture to product launches and continuous iteration, he takes an active role in every stage of the process. He is dedicated to creating calm, intuitive, and human-centered digital products that allow technology to blend naturally into everyday life. Drawn to Kyoto’s culture and way of life, he now calls the city home, finding creative inspiration in its quiet alleyways and the gentle rhythm of daily life.

Mobile Apps

/ 15

Thoughtful apps shaped by everyday needs, human emotion, and a sense of place.

Private life vault / iOS

Nutto

A private, beautifully organized vault for passwords, documents, photos, records, assets, and memories, protected with Face ID and synced through your personal iCloud account.

PrivacyLife organizationiCloud

App Store

Social wellness / iOS

Seruna

A private care circle for daily check-ins, wellness tracking, and staying gently connected with the people closest to you.

WellnessPrivate circlesSwiftUI

App Store

Arcade game / iOS + iPad

Nonsense Shooter

A boss-rush shooter where every stage is a boss fight. Learn the patterns, dodge the impossible, upgrade your aircraft, and try again.

GamesArcadeBoss rush

App Store

Mental wellness / iOS + Android

Mental Forest

Mental Forest turns reflection into a gentle ritual, helping people slow down, notice their state, and build a calmer personal rhythm.

MindfulnessWellnessMobile app

Mental Forest App Store introduction screenshot

App Store Google Play

Security utility / iOS

Aurora Vault: Password Manager

A private home for passwords, secure notes, and two-factor authentication codes, with Face ID, security audits, and personal iCloud sync.

PrivacyPasswords2FA

App Store

Travel utility / iOS

Taiwan MRT Route Map

A simple metro companion for Taipei, Taoyuan, Taichung, and Kaohsiung routes, built for quick orientation without visual noise.

TransitTravelMap utility

App Store

Measurement utility / iOS

Epic Ruler

A portable pocket ruler for quick real-world measurements, with a clean interface that supports both inches and centimeters.

UtilitiesMeasurementTool

App Store

Productivity utility / iOS

Dual-Calculator

A focused calculator for running two calculations side by side, comparing results, and moving through everyday math with less friction.

ProductivityCalculatorUtility

App Store

Photo & Video / iOS

PersonaCam

A live camera that separates you from your background in real time — blur it, restyle it, or replace it entirely, and record exactly what you see in the preview.

CameraReal-time effectsPhoto & Video

App Store

Creative camera / iOS + iPad

MuseCam

A creative camera for capturing photos and video with live filters, portrait effects, background treatments, and expressive editing tools.

Photo & VideoLive filtersCreative tools

App Store

Productivity / iOS + iPad

To Do List - Minimalist

A simple, cozy task list for everyday life. Add tasks in seconds, check them off with one tap, and keep a calm, focused space for the small things that matter.

ProductivityTo-doMinimal design

App Store

Pet adoption / iOS + iPad

領養毛小孩

A thoughtful adoption companion that brings together animals waiting in public shelters across Taiwan, with filters, favorites, maps, and direct shelter contact.

Animal welfareAdoptionOpen data

App Store

Graphics & design / iOS + iPad

對聯相機-新春賀卡

A festive Lunar New Year camera that layers spring couplets into the scene — people stand naturally in front of the calligraphy — then turns the shot into a shareable greeting card.

CameraLunar New YearGreeting cards