Participants will be asked to use the app to capture data on food purchases, food waste that occurs during food preparation, food waste that is present after eating, and food waste from cabinet and refrigerator/freezer clean-outs. During collection of much of the food waste data, participants will record in the app if food waste will be disposed of via composting, disposal, fed to pets, or garbage/landfill. They will also indicate if the food was spoiled, past the expiration date, etc. This will occur for 4-8 days. Participants should perform the prep and eat occasions 4-8 days. The shopping and toss occasions should be completed for at least 7 days.

Inclusion Criteria:

• Male or Female, age 18-65 years
• Willing to be recontacted
• Conducts some of the food shopping, food purchasing, and/or food preparation for their household.
• Internet and/or Wi-Fi availability to complete surveys and send images.
• Ownership of an iPhone 9S or later, operable Apple ID, password, and email address that they are willing and able to use to collect data during the study. Subject acknowledges data usage and associated charges are a result of study.
• Willing to complete all study procedures and adhere to study visit timelines -

Exclusion Criteria:

• Refusal or unable to use an iPhone for study related purposes.
• Not willing to adhere to study procedures and study visit timelines.
• PBRC employee
• Any condition or circumstance that in the judgement of the PI could interfere with study participation

Healthy volunteers

Data may be requested. The PI will be notified. The proposed research question must be included. All IPD that underlie results in a publication after a DTA with the institution may be requested.