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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.
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.