Comparison

Days Until vs D

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Days Until

Beautifully countdown to your special events with custom photos and filters. Track past events and enjoy a simple, intuitive interface with dark and light modes. This free app helps you remember every important moment.

Highlights
  • Countdown to special events
  • Track past events
  • Custom photos and filters
  • Simple and intuitive interface
  • Dark and Light Mode support
  • Free to use
Features
Read full description

Days Until can remember and keep track of all your special moments.  -> This app is aimed to beautifully countdown the number of days to your special event. -> Very Simple to use. -> Use your own photos or take a new photo and add it to the event. -> Track the past events as the number of days ago. -> Natively add filters to your selected photos and crop them the way you want. -> Beautiful Dark Mode and Light Mode Supported -> Completely free to use. ** iOS 14 widget support and Apple Watch Complication coming soon. So Stay Tuned. **

About

D

Organize all your important dates, from exams and anniversaries to birthdays and deadlines. Track upcoming events with customizable countdowns and view them on your home screen or calendar. Stay motivated with progress tracking and enjoy a private, offline experience.

Highlights
  • Unlimited D-day creation
  • Customizable categories
  • Yearly repeating event support
  • Home screen widgets
  • Calendar view
  • Statistics and progress rings
  • Offline and private usage
Features
Read full description

Never miss a day that matters. D-day Counter keeps every countdown in your life — exams, anniversaries, birthdays, deadlines — organized in one clean app. ■ Made for you if… • You're a student counting down to a final exam, certification test, or interview • You want to celebrate your 100th or 1000th day together as a couple • You never want to forget a family member's or friend's birthday — even one kept on the lunar calendar • You're tracking a project deadline, trip departure, or any big day ahead ■ Key features 1. Unlimited D-days Create as many countdowns as you want — no limits. Pick an emoji and add a memo to make each one yours. Count down to upcoming days (D-35) or count up from past events (D+82). 2. Reminders Get notified on the day, or 1, 2, 3, 7 or 30 days before — at the time you choose. 3. Home screen widgets Check your D-days right from your home screen. Pick which D-day each widget shows; with a start date it shows a progress bar too. 4. Yearly repeating events Birthdays and anniversaries roll over automatically every year. Set it once and it always shows the next occurrence. 5. Lunar calendar dates Enter a date on the Korean lunar calendar and it repeats on that lunar date every year, with the solar date worked out for you. Leap months included. 6. Statistics Year progress, what's coming up, your next 100th or 1000th day, goals in progress and a by-month chart — all on one screen. 7. Calendar view See all your D-days laid out on a monthly calendar. Instantly know what's coming up this month. 8. Categories Exam, Anniversary, Birthday, Military and Other — rename them, change their icon and color, or create your own. 9. Progress ring Set a start date and watch the progress ring fill up as you approach your goal. 10. Backup & restore Export your D-days to a file and bring them back on a new phone. ■ Light and private • No sign-up — start using it the moment you install • All data stays on your device (nothing is sent to a server) • Works fully offline • Dark and light themes, English & Korean supported From exam countdowns to couple anniversaries and birthday reminders — start counting the days that matter with D-day Counter.

Screenshots

Days Until4 screens
D4 screens

Verdict

The call

The clearest difference is ads: Days Until at none against D's shown. Days Until also leads on monetization model (free vs ad-supported). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
Days Until versus D: the parameters behind the verdict, then further details
ParameterDays UntilD
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews—100.0% of reviews
Number of ratings2 — better—
Update frequency—Every 2 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better15.0
Further details — not scored
Size6 MB28 MB
Age rating4+4+
DeveloperSwapnil ChauhanSiU Ahn

In-app purchases

None

Days Until

No in-app purchases

None

D

No in-app purchases

Questions

Is Days Until free?
Days Until is free to download, with no in-app purchases.
Is D free?
D is free to download, with no in-app purchases.
Do Days Until or D have ads?
D shows ads; Days Until does not.

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