QUBY is an AI powered cashier less smart vending system used inside offices and gyms. The experience combines a mobile app with physical hardware, where speed and trust are critical to adoption.
Role: Product Designer . Timeline: 2020–2023 . Platform: WebApp + Physical Hardware
CORE PROBLEM
Most users had never used a cashier less store before. There was no familiar mental model to design against, we had to build trust and clarity from zero. The biggest challenge was not feature richness, but trust and speed. The core problem was:
How do we make an AI based retail experience feel simpler, faster, and more intuitive
UX Decisions
Designing QUBY required prioritizing speed, trust, and clarity over feature richness. The following decisions had the biggest impact on usability and adoption.
Camera First Interaction
Treating Mobile + Hardware as One System
QR Code Entry over Manual Codes
MAIN FLOW
[1]
Scan the QR code to unlock the machine.
[2]
Users review detected items and pricing in real time.
[3]
Closing the door completes the checkout automatically.
OUTCOME
+40,000
Active Users
+200
QUBY Devices Installed
SHIPPED PRODUCT
Login
Invoices
Menu
Products
Evolved through continuous iteration, balancing user needs with technical and operational constraints.
Research & Insights
Observed real user interactions around the machines
Identified friction during sign up, door opening, and checkout
Key insight: speed and predictability mattered more than feature depth
Iteration & Validation
Refined interactions based on real usage and system feedback
Adjusted UI states to clearly reflect system status
Focused on shortening time to action and reducing confusion
BRANDING
Quality
Fresh
Instant
Smart
Easy Buy
Near
Accessible
Practical
New
Smooth
Trusted
Efficient
Cool
Accurate
Unique