Table 6. Search term categories, frequency, proportion, and exemplar terms (N=1,388).

Search term category	Frequency	Proportion of all search terms	Common keywords	Example
Prevent pregnancy (general)	405	32.90	Pregnancy, prevention, avoid	“not get pregnant” “pregnant prevention app”
Having a period	301	24.45	Period, cycle, menstrual	“know your flow” “monthly cycle monitor”
Fertility (general)	174	14.13	Fertility, fertile days, calendar	“what are my most fertile days”
Track ovulation	96	7.80	Ovulation, ovulation tracking, egg	“egg cycle app” “ovulation calculator”
Birth control	88	7.15	Birth control, reminder	“birth control scheduling app” “birth control reminder”
Where to look for apps	41	3.33	Google, app store, internet	“Google play store” “Facebook or app store”
User unsure how to search for fertility app	31	2.52	Not sure, don't know	“no idea” “not sure what to look for”
FABM‡ specific terms	25	2.03	Rhythm method, calendar method	“rhythm method app” “billings” “creighton”
Family planning/planning a pregnancy	24	1.95	Family planning, planned pregnancy	“planning ahead” “planning for baby”
Contraception (non-fertility awareness-based methods)	22	1.79	Pill, contraceptive	“hormone app” “contraception in the pharmacy”
Women's health (general)	11	0.89	Women’s apps, women’s health	“women’s health” “women’s health apps”
Advice on sexual intercourse or safe sex	8	0.65	Safe sex, careful sex	“sex education” “most safe time to have sex before my period”
Qualities desired in apps	5	0.41	Reliability, quality	“high quality” “mobile accurate app”

^‡, fertility-awareness based methods.