ChronoLab

Hello, I'm Jaewook Byun, Associate Professor of Software at Sejong Univ. & founder of ChronoLab. Here, I share lectures, research, and app development.

⏰ Mathgotchi
A safe, thoughtful math app made by a dad for his kids.
• Hands-On Clock: Real-time gear physics & day/night cycles
• Natural Handwriting: 120Hz stroke recognition on-screen math
• Structured Curriculum: Operations to 3-digit addition & flashcards
• 100% Ad-Free & Safe: Zero ads, on-device data encryption

🏋️ ChronoFit
A fitness platform tracking body evolution with objective data.
• Wearable Sync: Real-time interval training via Wear OS & bands
• Barcode Diet Tracker: Precise nutrition & energy balance
• Creator HUD Overlay: Auto-export video data overlays

🔗 Links
• Web: https://www.chronolaboratory.com
• iOS: https://apps.apple.com/us/app/mathgotchi-early-math-time/id6806621843
• Email: chrono.lab.sole@gmail.com

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