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Mobile app UI/UX design proposal template

An app design proposal should make the boundary between a prototype and a working product unmistakable. This mobile app UI/UX design proposal template maps three primary user journeys and up to twenty screens, then develops wireframes, visual designs and a reusable Figma component set. An interactive prototype and developer handoff documentation complete the design engagement. The pricing separates journey planning from interface production and prototype validation, allowing a product owner to understand where the effort goes. Five moderated user interviews are an optional addition, not an implied research program inside every screen price. Use the proposal to agree the decisions the design must resolve before developers begin implementation.

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What’s inside

  • Mobile app UI/UX design for [Client name]
  • [Your company] proposes a focused engagement for [Client name]. Design an intuitive mobile experience with a tested prototype ready for development. We will agree on priorities at kickoff and keep you informed with clear progress updates.
  • Scope and deliverables
  • Investment
  • Timeline
  • Terms
  • Acceptance

Suggested pricing

Example library prices, not market rates. Adjust for your scope and costs; optional add-ons and taxes are excluded from the base total.

  • User journeys and wireframes

    $1,500.00

  • Screen design and component system

    $3,750.00

  • Prototype testing and developer handoff

    $2,250.00

  • Five moderated user interviews

    Optional add-on

    Additional service outside the base scope.

    $1,125.00

Base total$7,500.00

When to use it

Use this template for a mobile product with a sufficiently defined audience and feature set to prioritize three journeys. Its six-week outline suits a scoped design phase rather than a complete app launch. Research begins in week one, wireframes follow in week two, visual design occupies weeks three and four, and prototype validation runs through weeks five and six. Development is excluded. Clarify whether both mobile platforms need distinct behavior, which screen states count toward the allowance and who reviews technical feasibility. If the business model or core workflows are still unsettled, propose discovery first instead of treating twenty screens as a complete product specification.

Tips for winning this kind of proposal

  • Name the three journeys in the proposal, such as onboarding, finding an item and completing a booking, with a clear starting and finishing state.
  • Inventory loading, empty, error and permission states with the team so the screen allowance does not conceal missing interaction decisions.
  • Agree prototype validation questions and test tasks before visual approval; a clickable presentation alone does not prove usability.
  • Involve a developer in the handoff checklist and specify the component documentation needed to implement the approved interface consistently.

Frequently asked questions

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