Cost

<£250 / $300

Build time

About 1-2 weeks

Run time

1-3 days

Pocket Prototype

This smoke test applies to physical goods or products with hardware components — at minimum a mobile phone.

More info

This smoke test applies to physical goods or products with hardware components — at minimum a mobile phone. It entails interviewing a prospect or customer, then physically pulling a prototype out of our pocket and using the prototype to drive further discussion and exploration.

Effectiveness

Measurable items

• Quantify how likely the participant would use such a product • Number of verbal agreements

Business model

App or physical goods

Advantages

✅ Allows you to get quick feedback by providing a visual artifact ✅ Quick and cheap approach as it's built using prototyping software ✅ You can make changes in minutes based on feedback and re-test

Disadvantages

❌ Verbal agreements are not strong indicators of purchase intent ❌ Need some design experience