- DaVinci's Pizzeria
- Davis Imperial Client App
- Davis Imperial Production App
- Davis Vision Member App
- Davka Shtickers
- Davos Klosters
- Dawaei
- Dawarha | دورها
- DAWG Dog Action Welfare Group
- Dawlance Air
- Dawlance Sync
- Dawn - Bahá'í Writings
- Dawn - Minimal Calendar
- Dawn Alarm
- Dawn Simulator: Radio Alarm
- Dawn's Quilt Shop
- Day & Night
- Day & Night Soul Stand Clock
- BOOMS
- Yacht Week
- Day Air Credit Union Perks
- Day Count & Birthday Reminder
- Day Counter : Count Down & Up
- Day Counter
- Day Counter Ⓞ
- Day Counter. Count Up & Down
- Day Day Count
- DAY DAY Widget
- WOD & Exercise timer
- Day of the Shirt
- Day One
- Day Plan
- Day Simple - Weather and more
- Day Spa Studio Feel It
- Day Stats – Your Goal Tracker
- Progress Every Day Journal
- Day Together - Love Days Count
- Day Tour Booking
- Day Zero - Event Countdown
- Day-n-Night
- Day2Day
- Day2Day - встречи с друзьями, знакомства, бар куда
- Day2Day Calendar
- DAY6 Light Band
- Day: The Dailyness App
- DAYANARA MX App
- DayBand
- Dayberry
- DayBook's
- Daybook Journal – Diary
- DAYBOX : D-DAY
- Daybreak - Alcohol Support
- Daybreak Salon and Spa
- Daybreak_Church
- Daybyme
- Daycation App
- DayCost - Personal Finance
- DayCost 2 - Personal Finance
- DayCost Pro - Personal Finance
- DayCount
- DayDay Band
- DayDay - Weekly Planner
- Daydream - Take a break!
- DayEntry - quick diary, journal for Evernote
- Dayfeed
- Dayflect
- Daygram: Daily Private Journal
- DayIt - Diary, Mood Tracker
- Daylight Saving Time