Table 1.
Characteristics of the included IBDa apps.
| App name | Target group | Target disease | Developer | Category and technical aspects | Studies available | Medical product | Privacy policy available |
| De Diagnose | Patients | Nonspecific | Progressive Programming | Diagnostic support, video, audio files | No | No | Yes |
| Symptomate | Patients | Nonspecific | Infermedica | Diagnostic support | Nob | Yes | Yes |
| Deutsches Gesundheitsportal | Patients | Nonspecific | HealthCom GmbH | Education, scientific articles, SmPCc | No | No | Yes |
| Gesina | Patients | Nonspecific | GesundHeits GmbH Deutschland | Diary, education, video call, toilet finder, video files | No | Yes | Yes |
| Foody | Patients | Nonspecific | Martin Stemmle, independent developer |
Diary, report function | No | No | No |
| Carenitiy | Patients | Nonspecific | Carenitiy, Else Care SAS | Social network, education, video files, nutrition recommendation | No | No | Yes |
| Stuhlgang Protokoll | Patients | Nonspecific | digitalsirup GmbH | Diary, stool protocol, report function with statistics and charts | No | No | Yes |
| Das Schmerztagebuch-Pain Tracer | Patients | Nonspecific | Grünenthal GmbH | Education, reminder, pain diary, report function | No | No | Yes |
| Manage My Pain | Patients | Nonspecific | ManagingLife, Inc. | Diary, report function, medication reminder, password protection | Yesd | No | Yes |
| Alarm Medikamenten Einnahme/ Medisafe | Patients | Nonspecific | Medisafe Project Ltd., Medisafe Europe | Diary, reminder, report function | No | No | Yes |
| Mediteo | Patients | Nonspecific | Mediteo GmbH | Diary, reminder | No | Yes | Yes |
| CED Dokumentation und Tipps | Patients | IBD | Abbvie GmbH&Co KG | Diary, toilet finder, education, report function, medication reminder, stool protocol, password protection | No | No | Yes |
| CED-Forum | Patients | IBD | Cross4Channel—Gesellschaft für digitales Healthcare Marketing GmbH | Diary, education, social network, medication reminder, toilet finder | No | No | Yes |
| Cara Care | Patients | Intestinal diseasee | HiDoc Technologies GmbH | Diary, education, reminder, audio files, report function, nutrition recommendations | Yesf | Yes | Yes |
aIBD: inflammatory bowel disease.
eIntestinal disease: IBD, irritable bowel/gut syndrome, or gastroesophageal reflux disease.
bThe developer website states that clinical studies are available, but they could not be identified using Google Scholar or PubMed.
cSmPC: summary of product characteristics.
fCara Care–related studies [33].