Is the app free to use? Sarah Russell February 09, 2021 22:16 Updated Yes, the app is free to use. Our wellness cards are available for purchase, check out our various membership offerings to see which is the best fit for you! Download our app now in the Apple App Store or Google Play Store. Related articles What makes Vessel wellness cards better than other urinalysis tests? What is the shelf life of the wellness test cards? Isn't my hydration always going to be low if I'm testing first thing in the morning? How are the results given? Actual numbers or just a ‘wellness score’?