Mobile Apps for Older Adults: Systematic Search and Evaluation Within Online Stores

Alexandra A Portenhauser   ¹ , BSc ;   Yannik Terhorst   ^{1, 2} , MSc ;   Dana Schultchen   ³ , PhD ;   Lasse B Sander   ⁴ , PhD ;   Michael D Denkinger   ⁵ , MD, Prof Dr ;   Michael Stach   ⁶ , MSc ;   Natalie Waldherr   ⁵ , BA ;   Dhayana Dallmeier   ^{5, 7} , MD, PhD ;   Harald Baumeister   ¹ , PhD, Prof Dr ;   Eva-Maria Messner   ¹ , PhD

¹ Department of Clinical Psychology and Psychotherapy, Institute of Psychology and Education, University of Ulm, Ulm, Germany

² Department of Psychological Research Methods, Institute of Psychology and Education, University of Ulm, Ulm, Germany

³ Department of Clinical and Health Psychology, Institute of Psychology and Education, University of Ulm, Ulm, Germany

⁴ Department of Rehabilitation Psychology and Psychotherapy, Institute of Psychology, University of Freiburg, Freiburg im Breisgau, Germany

⁵ Agaplesion Bethesda Clinic, Geriatric Research, University of Ulm, Ulm, Germany

⁶ Institute of Databases and Information Systems, University of Ulm, Ulm, Germany

⁷ Department of Epidemiology, Boston University School of Public Health, Boston, MA, United States