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)