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Light: AI personal finance app, from wireframes to a development-ready prototype

Light is an AI-powered personal finance app with smart budgeting, goal tracking and daily insights. The client brought wireframes. We delivered the brand, the customer journey, the full UI, a design system and an interactive prototype ready for engineering.

May 8, 2024
Light: AI personal finance app, from wireframes to a development-ready prototype

The question

Light is an AI-powered personal finance app. It combines budgeting tools, financial goal tracking and an AI assistant that analyses spending and delivers daily, personalised advice.

The client arrived with wireframes and a product concept, and needed a prototype that engineering could build from. The question was whether an AI finance product could feel simple and trustworthy at the same time: enough data to be useful, not so much that a user closes the app.

What we found

Reading the wireframes against the product goals showed four gaps.

  • Structure without detail. The wireframes captured the idea but left user flows, interactions and states undefined. Engineering could not build from them.
  • AI that could overwhelm. An assistant that comments on everything adds cognitive load. Insights needed a place and a time.
  • Trust had to be designed. A personal finance app handles sensitive data. The visual system had to communicate security and reliability while staying approachable.
  • No brand yet. The product needed an identity, including a logo, that carried the idea of bringing light to financial management.

What we decided

Map the whole journey before drawing screens. Even with wireframes in hand, we mapped the full customer journey from onboarding to daily use to find the gaps and the moments that matter.

Build the brand around illumination. The logo draws on lamp and lighter forms, smooth and flowing, in a vibrant orange that stands for energy and clarity.

Structure the app around three jobs. See the financial overview at a glance, track progress toward goals, and act on AI insights. Navigation prioritises the most frequent actions and keeps the rest one tap away.

Balance density with whitespace. Dynamic graphs use intuitive colour coding for income and spending. Hierarchy is clear, and the layout leaves room to breathe.

Put the AI in context. The assistant surfaces daily insights without interrupting the flow: a tip when viewing a spending category, encouragement near a savings goal, an alert when a pattern looks unusual. Advice appears where it is relevant.

Light AI finance app

Make goals feel like plans. Illustrations of a mountain trip, a holiday or a home turn abstract savings targets into something personal. Progress indicators show exactly how close a user is, with AI suggesting ways to get there faster.

Explain every onboarding step. Onboarding collects the necessary financial information progressively, and each step says why the data is needed and what it improves.

Prototype every interaction. The Figma prototype defines all interactions, so the client could test flows and gather feedback before investing in development.

What it produced

  • Logo and brand identity
  • Customer journey map and information architecture
  • Complete UI design for every screen
  • Design system and components
  • Interactive Figma prototype with all interactions defined
  • Design specifications for development

The client's wireframe concept became a polished, development-ready product design that exceeded their expectations: an interface that communicates trust and makes managing money feel approachable.

What this looks like for your team

AI finance products win or lose on where the model speaks and how it is trusted. If your team has a concept or a first prototype and needs the states around the happy path designed, the AI Feature Decision Sprint is built for that. A Trial Week on one flow is the smaller first step.

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