Comparison

D vs Simple D

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

Head to head
About

D

Easily track important dates and countdown to special events. This app helps you remember anniversaries, birthdays, and other significant days with a simple widget. Never miss a precious moment again.

Highlights
  • Countdown to special events
  • Track anniversaries and birthdays
  • List of important dates
  • Widget for quick access
  • Remember precious days
Features
Read full description

This tiny app helps you to remember your precious days. Don't miss your special day with D-day Widget ! Once you add events, you can see the list any time you want Do you want to remember your anniversary is 100 days? Was this a few days you met your boyfriend? How much is left of your birthday? How many days are left for your anniversary? Met your lover and D + 200 Olympic D-100 Remember a couple apps anniversary of D-Day.

About

Simple D

Features
Read full description

Hello, I'm happy to introduce a lightweight and easy-to-use D-Day app. * Countdowns Set the time for your D-Day and easily check the remaining or elapsed time. The time is calculated and displayed in multiple formats (months, weeks, days, hours, etc.). * Anniversaries Set anniversaries and check dates related to your D-Day. You can also use it like a date calculator. * Memos You can create memos related to your D-Days. The date and time are recorded with your memos. It is recommended when you want to keep tracking on your schedules, or keep the records of them. * Notifications Schedule notifications for your D-Days. You can schedule multiple reminders and write whatever message you'd like. You'll receive push notifications at your set times. Thank you. Developer Contact: kim.beeefriends@gmail.com

Screenshots

D4 screens
Simple D4 screens

Verdict

The call

The clearest difference is in-app purchases: D at none against Simple D's 1. D also leads on iOS requirement (10.3 vs 15.0). Simple D's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads and device support 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. Simple D sells 1 one-off in-app purchase. D asks for nothing beyond the download.

UpkeepUpdate frequency

D ships an update every 5 months, Simple D every 3 weeks. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
D versus Simple D: the parameters behind the verdict, then further details
ParameterDSimple D
PriceFreeFree
Rating3.8 (5 ratings) — better—
Positive reviews69.7% of reviews—
Number of ratings5 — better—
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS10.3 — better15.0
Further details — not scored
Size21 MB48 MB
Age rating4+4+
DeveloperPIONEbeeefriends

In-app purchases

None

D

No in-app purchases

1 purchases

Simple D

One-time1
  • Remove ads$6.99

Questions

Is D free?
D is free to download, with no in-app purchases.
Is Simple D free?
Simple D is free to download, with in-app purchases available.
Do D or Simple D have ads?
Both D and Simple D show ads.
Which is updated more often, D or Simple D?
D ships an update every 5 months, and Simple D every 3 weeks. Most recently, D was updated on October 13, 2026 and Simple D on October 7, 2026.

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