Table 2.

An overview of the features of each clinically studied app as related to clinical care.

App (sample size)	Clinical care features
	Educate	Monitor	Treatment	Follow-up	Patient sentiments
Constant Care (n=333, n=95, and n=17) [32-35]	Disease-specific lecture at onboarding eLearning (electronic learning) modules eHealth nurse Video clips	SCCAIa, HBIb, and FCc “Traffic light” system	Can suggest treatment for flares and maintenance Portal for providers to track patients	N/Ad	First trial (n=333): 88.8% said system was feasible and preferred using it over standard clinical care Second trial (n=95): 100% were satisfied Third trial (n=17): high satisfaction
Young Constant Care (n=50) [36,55]	eLearning modules eHealth nurse Video clips	PUCAIe and PCDAIf Height and weight “Traffic light” system	Timing of infliximab maintenance therapy Portal for providers to track patients	N/A	74% of surveys completed over the course of the trial
HealthPROMISE (n=320) [37-41]	N/A	SIBDQg and EQ-5Dh every 2 weeks QoCi (vaccinations, and routine check-ups) Integrated into EMRj	N/A	Can message care team through platform App displays plan of care	Maintained 75% use at 1-year follow-up
IBD-live (n=84) [42,43]	N/A	Flarometer (PUCAI or PCDAI + FC) every 1 or 3 months Disease state shown to patient and team	N/A	Platform indicates when to see care team Can message local IBDk team through platform	96% reported time-savings 71% wished to continue Highly compliant patients averaged €360 in annual savings
myIBDcoach (n=909) [44,45]	Interactive eLearning modules	Monthly modules about disease, medication, satisfaction, and side effects Uses MIAHl survey	At symptom threshold, red flag nudges health care worker to check in	Can communicate with their health care team Can view personal health plan	In largest trial (n=909), 94% continued to use at 1-year follow-up No significant difference in satisfaction vs controls
Telemonitoring of Crohn’s Disease and Ulcerative Colitis (TECCU) (n=63) [46,47]	Educational material created by the researchers received through the platform	Symptoms assessed through texts and questionnaires Disease activity (HBI for CDm and SCCAI for UCn)	Reminders sent through platform Automatic alerts to care managers	Could send messages through the platform to health team	Significant increase in satisfaction (modified Client Satisfaction Questionnaire) No perceived breaches in privacy
TELE-IBD (n=348 and n=219) [48-50]	Educational tips delivered through text message, both about general health and IBD specifically	N/A	Remote changes in management if symptom burden is met	N/A	13.9% did not complete every other week 19% did not complete every week
TrueColours UC (n=66) [51]	N/A	SCCAI daily EQ-5D every 2 weeks FC monthly	Guidance about 5-ASAo dose and topical rectal medications Index predicting need for escalation of therapy	N/A	N/A
UC HAT/HAT (n=25 and n=47) [52,53]	Weekly educational packages	Weekly symptom diary, medication effects, and weight	Customized action plan based on reported symptoms	Option to message their health care team	56% (14/25) completed UC HATp 91% continued use of HATq over 6 months and 86% report no interference with daily routines
UCLA eIBD (n=194 UC, 217 CD) [26,54]	N/A	Self-developed four-question PROr questionnaires	Automated message to coordinator at certain disease threshold	Contact a coach through the app	N/A

^aSCCAI: Simple Clinical Colitis Activity Index.

^bHBI: Harvey Bradshaw Index.

^cFC: fecal calprotectin.

^dN/A: not applicable.

^ePUCAI: Pediatric Ulcerative Colitis Activity Index.

^fPCDAI: Pediatric Crohn’s Disease Activity Index.

^gSIBDQ: Short Inflammatory Bowel Disease Questionnaire.

^hEQ-5D: EuroQol-5 Dimension questionnaire.

ⁱQoC: quality of care.

^jEMR: electronic medical record.

^kIBD: inflammatory bowel disease.

^lMIAH: monitor IBD at home.

^mCD: Crohn’s disease.

ⁿUC: ulcerative colitis.

^o5-ASA: 5-aminosalicylate.

^pUC HAT: home automated telemanagement in ulcerative colitis.

^qHAT: home automated telemanagement.

^rPRO: patient-reported outcome.