- Davis Index
- Davis Map +
- Davis Mobilize
- Daviswllapp
- Davita Supermercados
- Davivienda Costa Rica
- Dawakar
- DAWI
- Dawlance Air
- Dawlance Sync
- Dawn Academy
- Dawn Alarm
- Daxium-Air
- Day & Night
- Day & Night Map
- Day & Night Map TV
- Day & Night Med Trip
- Day & Night World Map Studio
- Day Calculator Elite
- Day Count & Birthday Reminder
- Day Counter
- Day Counter & Countdown
- Day Counter : Count Down & Up
- Day Counter
- Day Counter Ⓞ
- Day Finder
- DAY Flights Tracker
- DAY it - Simple D-Day Count!
- Day Khmer - Khmer Calendar
- Progress Every Day Journal
- Day Together - Love Days Count
- Day Translations
- Day-to-day Expenses Tracker
- Day-to-day Expenses Tracker
- Day-Today: Timetable
- DAY6 Light Band
- Daybreak: Time Tracking
- DayCalc - Note Calculator
- DayCalc Calendar
- DayCalc Pro - Note Calculator
- Daycare dailyreport
- DayCircle - Day counter
- Dayco Catalog
- DayCounter (D-day) Countdown
- DayCounter365
- Dayladau Partner
- Daylibread
- Daylight
- Daylight - Sunrise - Sunset
- Daylight - Sunrise and Sunset
- Daylight BASIC
- Daylight Clock
- Daylight Pro
- Daylight Saving Time
- Daylist - Build Good Habits, Track Your Progress
- Daylist - Your daily to-dos
- Daymate
- DAYmoji® Mood diary
- Daymood
- DayNight: Day/Night Awareness
- DayNinja - Flow & Focus Timer+
- Daynotes
- Simply that Day
- DayOne: Productivity
- Daypiece - Daily Planner
- DayRadar
- DayRecord -record of daily act
- DayRemain
- Days - Countdown for Menu Bar
- Days - Keeping track of events
- Days between Dates
- Days Between Two Dates
- Days calc - dates calculator
- Days Calcurtor
- Count Suruo - days count
- Days Counter (Countdown Days)
- Days Counter Calculator
- Days in Canada
- Days Left
- Days Left - Countdown to Event Date
- Days Left Lite
- Days Master - Countdown Widget
- Days to Christmas
- Days to Christmas Lite
- Days to Easter
- Days to Easter Lite
- Days to go WDW countdown to your Disney Vacation
- Days until - countdown widget
- Days Until Date Alarm - New Years, Wedding, Birthday Countdown
- Days until my birthday
- Days until my due date?
- Days Without
- Days'
- DaysInARow
- DaysLeft LT
- DaysPast
- DayStack - 디데이