Comparison

x Days Ago vs D

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

Head to head
About

x Days Ago

Features
Read full description

When did you last get a haircut, replace a filter, or call family? x Days Ago helps you remember the recurring things in everyday life. SEE HOW LONG IT HAS BEEN Keep your events together and see the days since each one last happened. Search your list or filter it to see what is due. RECORD IT IN A TAP Tap an event's icon to record it today. Add an event with a name, date, count, and icon, or edit an existing record. FIND YOUR RHYTHM See the usual interval between events, calculated from your recorded history. Progress indicators help you spot what is coming due. LOOK BACK AT YOUR HISTORY Open an event to browse its calendar and dated records. Add or remove past dates as needed. KEEP YOUR RECORDS HANDY Export your event data as CSV and import it again when needed. Optional due reminders help you keep track of recurring events. x Days Ago includes ads. A one-time in-app purchase removes ads, and previous purchases can be restored.

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 โ€” exams, anniversaries, birthdays, deadlines โ€” organized in one clean app. โ–  Made for you ifโ€ฆ โ€ข You're a student counting down to a final exam, certification test, or interview โ€ข You want to celebrate your 100th or 1000th day together as a couple โ€ข You never want to forget a family member's or friend's birthday โ€” even one kept on the lunar calendar โ€ข You're tracking a project deadline, trip departure, or any big day ahead โ–  Key features 1. Unlimited D-days Create as many countdowns as you want โ€” 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 โ€” 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 โ€” 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 โ€” 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. โ–  Light and private โ€ข No sign-up โ€” start using it the moment you install โ€ข All data stays on your device (nothing is sent to a server) โ€ข Works fully offline โ€ข Dark and light themes, English & Korean supported From exam countdowns to couple anniversaries and birthday reminders โ€” start counting the days that matter with D-day Counter.

Screenshots

x Days Ago4 screens
D4 screens

Verdict

The call

The clearest difference is in-app purchases: D at none against x Days Ago's 1. D also leads on update cadence (every 2 months vs every 13 months). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. x Days Ago sells 1 one-off in-app purchase. D asks for nothing beyond the download.

UpkeepUpdate frequency

x Days Ago ships an update every 13 months, D every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences ยท 6 level
x Days Ago versus D: the parameters behind the verdict, then further details
Parameterx Days AgoD
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 13 monthsEvery 2 months โ€” better
AdsYesYes
In-app purchasesYesNo โ€” better
Monetizationโ€”Ad-supported
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.015.0
Further details โ€” not scored
Size28 MB28 MB
Age rating4+4+
DeveloperDCMA Technology LimitedSiU Ahn

In-app purchases

1 purchases

x Days Ago

One-time1
  • Remove Ads$0.99
None

D

No in-app purchases

Questions

Is x Days Ago free?
x Days Ago is free to download, with in-app purchases available.
Is D free?
D is free to download, with no in-app purchases.
Do x Days Ago or D have ads?
Both x Days Ago and D show ads.
Which is updated more often, x Days Ago or D?
x Days Ago ships an update every 13 months, and D every 2 months. Most recently, x Days Ago was updated on November 3, 2026 and D on October 31, 2026.

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