DRUID is a 3-minute test that measures cognitive and motor impairment.

The DRUID app uses neuroscience to bring you a sophisticated tool for measuring performance impairment. Currently available for all smart phones and tablets, DRUID operates like a video game but with each use takes hundreds of cognitive and motor measurements. It is designed to measure impairment from any cause including from marijuana, illicit or prescription drugs, alcohol, fatigue, illness, or injury such as concussion.

Medical Marijuana Patient?

Do you use medical marijuana or other drugs for pain management or for chronic conditions? Use DRUID to help regulate your dosage and make sure you are safe before driving, operating heavy machinery or working with others.

Are your employees fit for duty? DRUID is also available for the workplace. Protect the safety of your employees. Protect the effectiveness and value of your operation. At any location – in the field, at the office, at home – at any time, use DRUID to assess your employees’ physical and cognitive impairment due to any cause.

For the DRUID Enterprise App, please contact:

What’s New

Version 2.4.3

Task 4 result issue fix
iOS14 support
Minor fixes and improvements

Ratings and Reviews

3.2 out of 5
36 Ratings

36 Ratings

Gretel Hartman ,

DRUIDapp is amazingly helpful

As a medical marijuana user, I was worried about driving and/or going to work impaired. A friend of mine told me about this app that tests for impairment. I thought it was ridiculous because I generally don’t feel I’m impaired or high. I couldn’t see that I was at risk of a DUI or jeopardizing my job until I started using this app. It’s easy to use, takes less than 5 mins and I get my impairment score back instantly. This tool has allowed me to make better choices to keep me and my coworkers safe. Thanks DRUIDapp!

LudeBooty ,

Sweet just for testing your own cognition!

Regardless of impairment this game/app/driver safety tool is cool to see how much better you can get at it! Highly recommend to anybody looking to gauge impairment or track hand eye coordination and balancing improvements from working out! Thank you for the great app!

Phahs951 ,

App has a glitch.. or doesn’t work well

When you play the app, the first 3 tasks doesn’t matter, you can literally just close your eyes for those games and just tap the screen. The 4th game is the only part you have to do right. For the first game I just tap the screen for time to go by. Second game I click stop immediately. The third game I just tap on the screen and guess 999, fourth game I balance it perfectly and my score comes out to be 29. App doesn’t work well.

Developer Response ,

It is up to you as an individual to follow the instructions if you want to accurately assess your impairment level. It is true that you can get a low score by cheating the app in the personal version of the app. The app is highly accurate if you do the tasks according to the instructions. The enterprise version of the app, currently in beta, incorporates more stringent controls for scoring.


39.4 MB

Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
In-App Purchases
  1. DRUID PREMIUM $4.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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