Inspiration

Modern banking apps assume users interact in perfect conditions — quiet rooms, steady hands, bright screens, and full attention. But real life isn’t a design lab.

We were inspired by the idea of a digital chameleon: an interface that adapts to its environment instead of forcing users to adapt to it.

Drawing from accessibility challenges, environmental context (light, noise), and exploration narratives, we imagined a banking experience that shifts intelligently based on where and how the user is interacting. That vision became Cashmeleon 🦎💳

What it does

Cashmeleon is an adaptive banking application that dynamically changes its interface, interaction methods, and feedback based on the user’s context.

Key features include:

  • Adaptive UI that reacts to environmental conditions
  • Voice-based interactions for hands-free or low-visibility situations
  • Haptic and visual feedback to guide users intuitively
  • Context-aware modes that simplify or enhance the interface automatically

Cashmeleon prioritizes accessibility, inclusivity, and usability — ensuring users can manage their finances in any situation.

How we built it

We built Cashmeleon as a cross-platform mobile experience using:

  • React Native + Expo for rapid prototyping
  • TypeScript for safer and more maintainable code
  • Context-driven UI logic for real-time adaptation
  • Voice and haptic APIs to support alternative interaction modes

The architecture is modular, allowing the interface to smoothly “morph” as conditions change — just like a chameleon.

Challenges we ran into

  • Accessing device sensors consistently across platforms
  • Balancing adaptability vs. predictability in the UI
  • Handling missing permissions or unavailable hardware gracefully
  • Designing accessibility features that felt integrated, not bolted on

Debugging cross-platform behavior and edge cases pushed us to design with resilience in mind.

Accomplishments that we’re proud of

  • Building a truly adaptive UI concept, not just a static prototype
  • Successfully integrating voice interaction and haptic feedback
  • Designing with accessibility-first principles
  • Delivering a cohesive, working prototype under hackathon constraints

We’re especially proud of turning a complex idea into something tangible and interactive.

What we learned

  • Accessibility improvements benefit all users
  • Environmental context is a powerful but underused design signal
  • Cross-platform development demands strong fallback strategies
  • Clear UX principles matter even more when interfaces change dynamically

We also strengthened our ability to collaborate, iterate fast, and scope ambitious ideas realistically.

What’s next for Cashmeleon

Next steps include:

  • Deeper environment detection (noise, motion, connectivity)
  • More customizable adaptive behavior rules
  • User testing with accessibility-focused feedback
  • Expanding into broader context-aware financial tools

Cashmeleon is just the beginning — a step toward interfaces that adapt as intelligently as the people using them.

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