This training is dedicated to expanding attendees’ knowledge and skills related to effectively and ethically incorporating mobile phone technologies into qualitative or mixed-method research designs. There is a strong focus on the flexibility, pitfalls and equity implications of smartphone app-based research. Attendees will be offered practical examples highlighting key considerations in study design, multi-modal data collection, data management and analysis, ethics and procedural rigour. Attendees will be encouraged to critically examine the benefits and pitfalls of augmenting traditional qualitative research designs with mobile technologies such as mobile phone interviews, mobile phone surveys, mobile diaries, mobile ethnography and others.