iOS product & interaction design · Fall 2025
Nicoboo
A companion for the next smoke-free moment.
Nicoboo is a quit-smoking companion built around encouragement, craving support, and small milestones. I worked on product design and iOS development, bringing a hand-drawn visual language into an app that feels welcoming to return to throughout an uneven habit-change journey.
- Role
- Product Designer & iOS Developer
- Tools
- Figma, SwiftUI, Xcode, Illustrator, Procreate, WidgetKit
- Team
- Tina Jiang, Sabrina Jiang, Jacky Guo, Yiying Zhu
- Platform
- iOS / iPhone
Support during an uneven journey.
The project responds to cessation tools that can feel clinical, punitive, or dominated by statistics. We wanted progress to remain visible without treating a difficult day as the loss of everything that came before. The product centers reassurance, self-kindness, and the next manageable step.
A visual language people can return to.
Illustration, restrained typography, and a clear navigation structure shape the experience. The presentation documents the move toward a more consistent hand-drawn identity, with redesigned widgets and milestones that make progress easy to recognize.
Core interactions.
The app combines smoke-free streaks, a progress timeline, quick craving logs, encouragement, achievement badges, and health-progress information. iOS widgets bring reminders and milestones outside the app. Each element is intended to make daily progress tangible.
From interface design to an iOS build.
SwiftUI and WidgetKit connected the design to native screens and widgets. The project presentation records platform constraints, typography inconsistencies, and layout issues encountered during implementation, alongside the decisions made to keep the visual system coherent.
Release and continued refinement.
The original project record documents the release of version 1.1 on the App Store. Proposed next steps include more flexible profile controls, mood and emotion tracking, richer progress views, and ways to strengthen encouragement over time.
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