Skip to content
Back to story

# Citi Bank Handlowy calculators.

A Full HD touchscreen banking application designed through a Double Diamond process. For this app, I designed interactive credit-card and loyalty-points calculators. The only surviving media is one photo I took in a branch.

Touchscreen catalog context. Archival photo showing the product-selection interface and the physical display environment.
Draft narrative

## The product lesson

This can stay a short archive case. Its value is showing an early pattern: financial products often hide value inside rules, thresholds, and eligibility logic, so UX has to make the decision visible.

Sections to fill

## Case-study shape

- What users needed to calculate or compare.
- How the interaction prototype clarified the decision.
- What constraints came from the touchscreen context.
- What can be shown publicly without exposing client material.