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BACKGROUND: Use of mobile applications (apps) are increasing during pregnancy but few of these are evidence-based or evaluated in research.

AIM: To examine the feasibility, including perceived usefulness and usability, and the preliminary effects of an app based on the Confident birth method.

METHODS: A mixed-method approach, including 48 women, was used to evaluate acceptability, usability and to test study design and procedures. iPhone-users (n = 24) tested the app during pregnancy while the remaining (n = 24) formed a control group. Background characteristics and outcome measurements were collected from all women at baseline. Women in the app group received two follow-up phone calls from a midwife concerning usefulness and ease of use of the app. A follow-up questionnaire after birth were used to measure preliminary effects of the intervention as well as system usability of the app.

RESULTS: Women using the app found the app exercises simple, understandable, and useful. System usability score showed a mean score of 85.3 indicating excellent system usability. Notes from phone calls resulted in four categories: positive feedback about the app, negative feedback about the app, partners involvement, and knowledge. Preliminary effects of labour experience showed no significant differences between the two groups, in terms of early labour or childbirth experience.

CONCLUSION: The app tested in this feasibility study, was perceived as useful and appreciated by women. Areas for improvement of the app were identified. The result shows promise for further efficacy testing in a forthcoming randomised controlled trial.