Nein to Sick

"We believe that everyone deserves access to mental wellness support. Our mission is to help people say 'no to sickness' through thoughtful, evidence-based technology."

🚀 Our Story

At Nein to Sick, we are tackling one of the most critical challenges of our generation: the silent crisis in mental health. Our approach is shaped by over 100 in-depth user interviews and informed by guidance from mental health professionals.

Named after Hope

We created 'Bandi' (반디), named after the Korean word for firefly. Our mission is to be that guiding light, developing technology that empowers individuals and builds pathways to emotional wellness.

What started as connections formed through campus activities at Handong Global University has grown into a shared vision: helping people live healthy lives not just physically, but mentally and emotionally as well.

👥 Meet Our Team

Four passionate individuals united by a mission to transform mental wellness through technology

Kim Hyung-jin
👨‍💼
Hyungjin Kim
Project Lead & AI Developer
Handong Global University, AI & Computer Engineering
Flutter Health Management App 'HRC' Developer
2024 Designer-Developer Collaboration Workshop Instructor
2023 Stock Price Prediction AI using RNN & Time Series Data
AI/ML Flutter RNN Health Tech
Kim Kyung Rok
👨‍💻
Gyeongrok Kim
Development Team Lead & Server Manager
Handong Global University, AI & Computer Engineering
2023 ACM-ICPC Online Contest - Bronze Medal
SW Festival Smart Application Contest - Grand Prize
Swift & Flutter Application Development Expert
Swift Flutter ACM-ICPC Mobile Dev
Kwon Se Han
👨‍🔬
Sehan Kwon
Research Lead & International Dev
Handong Global University, AI & Computer Engineering
SW Festival Smart Application Contest - 6 Awards
2023 ACM-ICPC University Champion & Finals Qualifier
Kenya, Thailand, Myanmar Mobile App Development TA
Kotlin & Flutter Application Development Expert
Kotlin Flutter Global TA 6x Winner
Park Chang Hui
👨‍🎨
Changhwi Park
Design Lead & HCI Researcher
Handong Global University, Product Design & Computer Engineering
Human Factors Engineering Society 'HCIE Lab' Deputy Director
UX/UI Society 'The Answer' 29th Vice President
HCI KOREA 2024 - First Author Research Paper
Smart Speech Therapy Program Design Experience
HCI Research UX/UI Design Accessibility Healthcare

Handong Global University

Our journey began as a coding club project at HGU in South Korea. What started on campus has grown into a vision for the world: building technology that empowers whole-person wellness — physical, mental, and emotional. Shaped by our Christian university roots and guided by faith, we create with purpose, continually growing into something greater.

🌟 Our Values

🎯
Evidence-Based Approach
Every decision is grounded in research and validated by mental health professionals
💙
Empathy-Driven Design
Deep understanding of user needs through extensive interviews and lived experiences
🌍
Global Impact Vision
Starting local but thinking global to serve mental wellness needs worldwide
🔐
Privacy & Safety First
Uncompromising commitment to user privacy and psychological safety
🤝
Collaborative Spirit
Working closely with mental health professionals and the global research community
📈
Continuous Improvement
Iterative development based on user feedback and emerging best practices

📅 Our Journey

From vision to global impact - key milestones in our story

2023

Foundation
📋
Jun

Foundation

Service planning and expert consultations

Planning Research
User Interviews
📋
July

User Interviews

Conducted in-depth interviews with individuals having diverse experiences with depression.

User Research Interview
Design Sprint I
📋
Aug

Design Sprint I

Ran a Google Design Sprint to rapidly prototype and validate core ideas for our MVP.

Planning UX Google Design Sprint
MVP Launch
📱
Aug

MVP Launch

Play Store release and first users

Launch MVP
Grand Prize
🏆
Oct

Grand Prize

SW Startup Competition winner

Award Recognition
RPM Award
🏅
Nov

RPM Award

Startup competition recognition

Startup
Design Sprint II
🏅
Nov

Design Sprint II

Iterated on our MVP with a second Design Sprint, focusing on user-centric improvements.

Improvement Iteration Design Sprint UX

2024

iOS Launch
🍎
Jan

iOS version release

AppStore release

iOS Launch AppStore
PhD collaboration
💼
Feb

PhD Collaboration

Georgia State University counseling psychology student collaboration

Research Collaboration PhD
POSTECH Award
🎖️
Feb

POSTECH Award

Mini iCore Excellence Award

Excellence
Government Support
💼
May

Gov Support

Pre-startup Package selection

Funding
Long-Term User Test
💼
Apr - Jun

Long-Term User Test

Launched a 3-month testing phase with a core group of users to identify key areas for improvement and validate our value proposition over time.

User Research Testing Feedback
Bandi 1.0
🚀
Aug

Bandi 1.0

Official production release

Official v1.0
RPM Grand Prize
🏆
Nov

RPM Grand Prize

Top startup recognition

Grand Prize

2025

US Market
🇺🇸
Jan

US Market

Field research and expansion

Global Research
US Investor & Founder Meetings
🔮
Jan

US Investor & Founder Meetings

Engaged with US investors and seasoned startup founders, pitching our vision and receiving invaluable feedback on our US market strategy.

IR Networking
North America Launch
🌎
May

NA Launch

North America market entry

Launch International
Future
🔮
Future

Global Impact

Continuous innovation and growth

Innovation

🤝 Connect with Mental Health Experts

We're actively seeking to connect with more mental health professionals for consultation, research collaboration, and expert advice.

💬 Get in Touch