We make apps that are actually used, in daily life and in the field.
Record, manage, and get better.
IHYUNSOFT is a software company that researches and develops
practical mobile solutions supporting everyday life and professional work.
Beyond just building apps, we aim to improve quality of life
by solving real problems faced by working professionals with technology.
CEO & Founder
Leads IHYUNSOFT's vision of creating user-centered, practical, and innovative mobile experiences.
Lead Developer
Designs and develops our flagship apps, including PerfectCaddy, PerfectGolfMate, and PerfectDay.
From caddie fee, overtime, and expense tracking to tax calculation, AI club check, and a stock assistant. The all-in-one management app for golf caddies.
PerfectCaddy Website
Golf round records, AI score analysis, diary, and money ledger. The all-in-one app that records your entire golf life.
PerfectGolfMate Website
A daily life management app for simply recording income, expenses, and notes, all in one place.
For privacy inquiries, technical support, or business proposals, please send us an email. We will reply as soon as possible.
Send Email