Concept study

Ledger

A personal-finance interface that makes balances, spending, and transfers feel effortless — clear hierarchy, confident motion, accessible contrast.

Fintech mobile appCommerce & Apps

01The design

Total balance£14,208.50+£312 this week
SendRequestTop upCards
Recent activity
Spotify−£11.99
Salary+£2,400
Transfer−£150
Tesco−£42.10
This month
Rent−£1,150
Refund+£24.00
Coffee−£3.40
Gym−£28.00

Original concept study by Sonar Development, built to demonstrate design and engineering range. Every name, brand, and figure shown in this interface is illustrative — this is not client work and the data is not real.

02Disciplines

  • Mobile
  • Fintech
  • Interaction

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Ledger — Fintech mobile app concept — Sonar Development