The purpose of this study is to learn about the experiences of cancer patients during treatment utilizing a mobile app called EveryDose© to track prescribed oral treatment for cancer. Based on these experiences, the study team will decide on expanding this pilot study to evaluate other methods that may prove to be beneficial in supporting cancer patient's ability to take cancer medications as prescribed (another common phrase used for this is adherence to treatment).

Inclusion Criteria:

• Any sex/gender Able to provide written informed consent
• Able to read/understand English or Spanish
• Diagnosis of hematologic or solid tumor cancer diagnosis
• Prescribed an oral anti-cancer drug as monotherapy treatment for the first time by their treating oncologist.
• Internet access on a smartphone, tablet, or computer

Exclusion Criteria:

• Less than 18 years of age
• Unable to provide written informed consent
• Unable to read/understand English or Spanish
• History of dementia or major psychiatric disease that would interfere with study participation
• Prior treatment with an oral anti-cancer treatment
• Participating in another clinical trial during the time of screening.