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Challenge Summary

Welcome to “FAST - Foot Measurement  Mobile App Design Ideation Challenge”. In this challenge, we are looking for your help to come up with ideas for an AR (Augmented Reality) Mobile app that will help shoe buyers determine the foot size and also help in providing suggestions/colors, etc

We need to see intuitive and easy to use "concepts", some rough sketches or ideas on how we need to envision this app, your solution should help us drive our conversation to the next stage of this project.

Looking for unique ideas around foot measurement /show size and make use of AR technology to make this experience more interesting.
This is a fast challenge, so make sure you are using your time wisely. 

Challenge Objectives

  • iOS Mobile Application
  • Ideation / Concepts

Build an iOS app to support automated foot measurement in client’s own retail stores, a tool which they can use in the store to support to take foot measurement, they are currently having a manual scale in few of stores but due to covid, customers are not preferring to use the manual scale.


  • Create wireframes, sketches, designs, or document your concepts to convey your ideas
  • You MUST cover all requirements mentioned in the challenge details below.
  • You can use any type of tool to create your ideas/concepts, so it can be a rough pen/paper sketch, axure wireframes, PowerPoint, Excel, docs, etc but at the end of the challenge, we are looking for a PDF document with your ideas - you may use the template which we have shared / please see deliverables below.
  • We’d like to see how you think the application could work.

- All people who are looking to buy shoes

Creativity: 9

  • 1: barely new ideas
  • 10: a utopic product with features proven to be able to be fully implemented

Aesthetics: 1

  • 1: low-fidelity design, wireframe, or plain sketch
  • 10: top-notch finished looking visual design

Exploration: 9

  • 1: strictly follow an existing reference or production guideline
  • 10: open to alternative workflows/features not listed here that would help the overall application

Branding: 1

  • 1: don’t care at all about the branding just functionality
  • 10: without a properly branded product there is no success

We are looking for your ideas on how best to create this mobile application and what AR features will help improve the customer experience.

Below is the list of features or flow we want to see in this mobile application:

  • User will download the mobile app
  • They will focus the mobile camera on their own both foots
  • AR Feature: Scan both foot images, measure different foot parameters.
  • Apply foot morphology i.e. whatever may be the technology - to measure one’s foot, it will require some reference points in terms of, fixed points, designated area, or a foot stencil to keep the foot within. This should be available on the camera screen, both the length and width of the food should cover.)
  • Determine foot size and foot type by mapping with standard foot size and foot types
  • Refer catalog of standard shoe sizes
  • Offer best-fit shoe size

We are not looking for you to strictly follow the above flow, we are open to more unique ideas around feet measure /show size to make use of the AR technology to make this experience more interesting.

NOTE: This mobile is for improving the customer experience for the in-store customers and they will not be able to order shoes through this application.

Please do not copy, this is only for reference

We want to make this challenge easy and fast, we don't want to have strict requirements on the format of the deliverables you produce. We recommend you think of how your solutions are presented. So, please submit your ideas in a PDF (please use this template)

The elements that we would like to see included in your PDF are:

  • Overview: Provide a brief overview of how your idea is going to promote exercise.
  • Ideation Details: Write down all the details of your Idea.
  • User Journey/Flow: Provide summary user flow from the time app is open, what the user sees and what options are shown to the user.
  • Sketches/Mockup Screens: Screens from your wireframes/ design screens /sketches, etc
  • Links and References: Any links or references


  • User Experience of the app.
  • Completeness and accuracy of your Ideas


iOS Mobile Devices

Preview Image
Please create your preview image as one (1) 1024x1024px JPG or PNG file in RGB color mode at 72dpi and place a screenshot of your submission within it.

Submission File
PDF with your ideas (please see deliverables).

Source Files
All source files of the submitted ideas. If you would like to submit notes please include a notes.txt file.

Final Fixes
As part of the final fixes phase, you may be asked to modify content or user click paths

Please read the challenge specification carefully and watch the forums for any questions or feedback concerning this challenge. It is important that you monitor any updates provided by the client or Studio Admins in the forums. Please post any questions you might have for the client in the forums.

How To Submit

  • New to Studio? ‌Learn how to compete here
  • Upload your submission in three parts (Learn more here). Your design should be finalized and should contain only a single design concept (do not include multiple designs in a single submission).
  • If your submission wins, your source files must be correct and “Final Fixes” (if applicable) must be completed before payment can be released.
  • You may submit as many times as you'd like during the submission phase, but only the number of files listed above in the Submission Limit that you rank the highest will be considered. You can change the order of your submissions at any time during the submission phase. If you make revisions to your design, please delete submissions you are replacing.

Winner Selection

Submissions are viewable to the client as they are entered into the challenge. Winners are selected by the client and are chosen solely at the client's discretion.


2021 Topcoder(R) Open

Challenge links

Screening Scorecard

Submission format

Your Design Files:

  1. Look for instructions in this challenge regarding what files to provide.
  2. Place your submission files into a "" file.
  3. Place all of your source files into a "" file.
  4. Declare your fonts, stock photos, and icons in a "Declaration.txt" file.
  5. Create a JPG preview file.
  6. Place the 4 files you just created into a single zip file. This will be what you upload.

Trouble formatting your submission or want to learn more? ‌Read the FAQ.

Fonts, Stock Photos, and Icons:

All fonts, stock photos, and icons within your design must be declared when you submit. DO NOT include any 3rd party files in your submission or source files. Read about the policy.


All submissions are screened for eligibility before the challenge holder picks winners. Don't let your hard work go to waste. Learn more about how to  pass screening.

Challenge links

Questions? ‌Ask in the Challenge Discussion Forums.

Source files

  • PDF/Docx / Google Doc

You must include all source files with your submission.

Submission limit


ID: 30146625