The Budget Car Hire App required a full redesign

The previous Budget car hire app was developed using outdated practices, was no longer supported and had a poor user experience which was reflected in the app store reviews.

I was tasked with designing and delivering a new mobile app that not only looked and performed great but would also be future proof and could be developed with tight time & budget constraints.

I was the Senior Product Designer on this project and was responsible for the project management, UI Design, UX Design and Research, UI QA Testing, and delivery of the project.

I worked closely with a team of developers to not only meet business requirements but also create an excellent human-centered product that users would actually like to use.


  • Full UI redesign following branding and design guidelines
  • Full UX overhaul to increase conversion
  • UX Research and Testing
  • Project Management to ensure the app was designed and developed on time and to a high standard
  • To design and develop the app using Google Flutter and publish to both Apple and Android app stores.

My Role

  • Senior Product Designer
  • UI/UX
  • Project Management

My Design Process

Here is a brief summary of my design process for the Budget app redesign project.


  • Stakeholder discussions
  • Project Vision / Goals
  • Brand Strategy
  • Measure of Success
  • Project Priorities


  • User Interviews
  • Surveys
  • User Testing
  • Competitor Research
  • Analytics Review
  • Content Audit


  • Use Cases
  • Persona Creation
  • Story Boards
  • Red Routes / Critical Design Paths
  • Experience Maps
  • Workflow Diagram

Design & Test

  • Mood Boards
  • Flow Diagrams
  • Wireframing
  • Low Fidelity Concepts & Prototypes
  • High Fidelity Concepts & Prototypes
  • Testing / User Testing


  • Internal Launch and Testing
  • Beta Launch
  • User Testing
  • Launch
  • Live Testing (A/B Testing) Tweaks and Improvements
  • New Features

UI/UX Design

A large portion of the design work process was spent inside the Sketch application creating both concepts, low-fidelity and high-fidelity concepts that could be used to prototype and test user flows and experiences with real users.

The image below shows the final app screens with all the CTA’s and interaction points linked up to create a comprehensive prototype not only for testing with users and presenting to Budget staff but also to share with the developers so they can understand how the app should look and behave.

From Concept to Production

Low Fidelity Concept

From a quick and dirty low fidelity concept, often drawn by hand or using a grey box method.

Product Assets

To finished high-quality production assets that developers can use to create the app.

What We Delivered

Below is a few examples taken from the now published app. The app is now available on iOS on Android and is being used by Budget car hire customers worldwide.

Project Outcome

Project Delivered on Time

Thanks to sensible in-depth research and planning towards the beginning of the project we were able to deliver the new app on time and therefore within budget despite complications caused by Covid-19.

The app is now available to download on both iOS and Android around the world and is seeing great conversion rates from users booking rentals.

Amazing Results

Since launching the app and despite a huge lack of marketing budget the Budget app’s are getting great results from users booking rentals.

Thanks to the complete overhaul of both design and development the apps are now faster, cleaner, easier to use, and has resulted in significantly more conversions than the previous app.

Excellent UI/UX Improvement

The app was heavily tested and refined during the design process resulting in a slick User Experience where the app is easy to navigate and quick to use.

The app was created with real-world users in mind and was designed with real-user input to develop a great user experience that not only ticks the boxes for budget customers but delivers on business goals too.

Future Proof

The app has been designed and developed in such a way as to be future-proofed as much as possible within the tech industry.

The app was developed using a google technology called flutter which is relatively new but also highly supported. Flutter also enabled us to publish the app onto both iOS and Android drastically speeding up development and the ability to bug fix and improve.

The app design was created using an atomic design system. This allows us to quickly change components, design styles and create new functions easily.