Pregnancy planning prepares for pregnancy to support the creation of a healthy pregnancy. One way to increase knowledge related to preconception in this digitalization era is through an Android application that is applied to make it easier for couples to access and get information easily without having to visit health facilities, to be able to understand and strive for the best way to be thought of the bride-to-be couple so that maximum results are obtained precisely to plan a healthy birth baby. The study accesses the effectiveness of the AYUK SEHAT mobile phone applications in promoting knowledge and changing the perceptions and attitudes of brides and grooms. Descriptive statistical analysis in this study was carried out using the average value (mean) on each variable indicator or statement indicator in the questionnaire with a case experience test. The study population was 40 brides-to-be couples with details of 10 prospective wives and 10 prospective husbands, purposive sampling techniques. Almost all indicators in the attractiveness variable get a positive evaluation value, except for the ATT5 indicator (attractive/unattractive) get a neutral evaluation value. All indicators on the dependability variable managed to obtain a positive evaluation value except for DEP4 (meeting expectations / not meeting expectations) with a neutral evaluation. Almost all indicators in the novelty variable get positive evaluation values, except for NOV 1 (creative/monotonous) and NOV2 (creative/conventional indicators get neutral evaluation values. According to Android app users, the variables attractiveness, perspicuity, efficiency, dependability, stimulation, and novelty get a positive evaluation value. Keywords: counseling, preconception, Android applications, bride-to-be. https://doi.org/10.55463/issn.1674-2974.50.3.4