Apps
Oldi Old iPhone Camera Simulator 2026
Twelve iPhones, from the 3GS to the XS, rebuilt from the sensor up. Works offline and collects nothing.
- #1 Paid App
- Korea, Japan
- #1 Photo & Video
- 14 countriesJapan, Korea, China, Hong Kong, Thailand, the Philippines, Brunei, Kazakhstan, Mongolia, Armenia, Lebanon, Slovenia, Kenya, Panama
Education
Apple Developer Academy POSTECH 2025 
Chung-Ang University B.E. Computer Software Chung-Ang University B.B.A. Entrepreneurship Awards
Contact
Email support@seancho.com 
GitHub chxhyxn 
LinkedIn sean-cho 
App Store Sean Cho