We've also been surprised at SnapCalorie how many researchers have approached us to use the app for more accurate diet tracking for medical study participants. The LiDAR based portion size has been a huge draw for them.
If anyone wants to check out our app or research its on our site: https://www.snapcalorie.com/
PS: Bitesnap was an awesome app!
Feels kind of incredible that something as advanced as laser imaging is being used to measure sandwich size.