Blog
7 posts
- Stop Studying While Sitting! Let's Learn Foreign Languages While Walking! WalkLingo! WalkLingo - Learning Languages While Walking
- Worried About What Might Happen While You're Away From Home? Try Turning Your Unused Smartphone Into a CCTV With the Kkachi Eye App! Worried about leaving your dog or cat home alone while you go to work? Worried that someone might break into your home while you're away? With Kkachi Eye, you can turn your unused smartphone into a CCTV.
- If You're Worried About Personal Information Leaking Through Your Photos, Use an EXIF Editor to Delete the Metadata Photos taken with a smartphone record information such as location data as metadata. If you're worried about personal information leaks, you can use the EXIF editor I built to delete, edit, and view metadata.
- I Built a Work Time Tracker for Solo Entrepreneurs While doing freelance work, I keenly felt the need to track my working hours, so I built a work time tracker.
- I Made a Calendar File Editor, ICS Editor. Adding KORAIL schedules to my calendar was such a hassle that I ended up building an ICS editor.
- I Made CLONE-40B So You Can Use Casio's JS-40B Calculator on Your Smartphone I've implemented the JS-40B calculator, used by most people preparing for the CPA or tax accountant exams, on the web.
- Making 100 Apps: Launching the Magpie Project With the goal of building 100 apps within 2026, I'm launching kkachi.app, also known as the "Magpie Project."