Couples' Affect in Relationships Study

Inclusion Criteria: * Age ≥ 18 years * Be either married, living together, OR in a dating relationship for at least 12 months * Proficiency in English * US citizen or permanent resident * If non-monogamous, must be able to enroll in the study with a primary partner with whom they spend the majority of their time. * Use of a smartphone (primary participant only) * Phone able to receive SMS text messages * Depression symptoms (≥ 5 on PHQ-9; primary participant only) Exclusion Criteria: * Severe physical or sexual relationship aggression during the past 6 months (any item endorsement on 5-item severe IPV screener) * Endorsement of active suicidality * History of psychosis or mania * Prior use of the Healthy Minds Program app * Prior significant experience with meditation * Severe hearing impairment that would interfere with the use of an audio-based intervention (primary participant only) * Did not pass video attention check * Investigators may also track the time it takes for participants to complete surveys and use survey timing as a method to flag for suspicious bot activity * Participant presents false or misleading information or other indicators that the participant may be participating in the study in bad faith. At screening, each participant's address will be checked and they will be excluded if the address is 1) invalid or 2) a non-residential address. Participants will also be excluded if the same email is provided for both partners. Participants will be excluded if they fail the attention check item in the baseline survey. Participants will be excluded if they complete their screeners \<= 20 minutes of each other.