Comparison

Lunar Memory vs D

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

Head to head
About

Lunar Memory

Features
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Never forget an important date again – even on the lunar calendar. Lunar Memory reminds you of birthdays, anniversaries, memorials, and traditional events that follow the lunar calendar. Perfect for users who celebrate important days based on East Asian lunar traditions. ▶ Add and track lunar birthdays, memorials, and other events ▶ Get automatic yearly reminders based on solar (Gregorian) dates ▶ Easy lunar–solar date conversion ▶ Simple and intuitive design Whether it's your grandmother’s lunar birthday or an ancestral memorial day, Lunar Memory ensures you never miss it again.

About

D

Features
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Count down to your big day — or count up from a milestone. D-Day Anniversary Tracker lets you manage all your important dates in one place. Whether it's a wedding anniversary, birthday, exam date, or any special moment, see exactly how many days remain or how many have passed. WHY USERS LOVE IT - Both D-Day (countdown) and D+Day (count-up) in one app - Annual repeating anniversaries auto-renew each year - Milestone alerts for 100, 200, and 365 days - Reminders: 7 days before, 3 days before, day before, and day-of - 40 emoji icons + 5 color themes to personalize each date - Display in days, weeks, or months - Pin favorites and reorder with drag & drop - Full dark mode support PERFECT FOR - Never missing an anniversary or birthday again - Counting down to exam dates, discharge dates, or big events - Celebrating milestones like 100 days or 1 year together

Screenshots

Lunar Memory4 screens
D3 screens

Verdict

The call

The clearest difference is ads: Lunar Memory at none against D's shown. D's advantage is update cadence (every 3 days vs every 3 weeks) and iOS requirement (13.0 vs 15.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Lunar Memory ships an update every 3 weeks, D every 3 days. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 3 level
Lunar Memory versus D: the parameters behind the verdict, then further details
ParameterLunar MemoryD
PriceFreeFree
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size30 MB30 MB
Age rating4+4+
Developerhyukjoo kwonHeungYeol Kim

In-app purchases

None

Lunar Memory

No in-app purchases

None

D

No in-app purchases

Questions

Is Lunar Memory free?
Lunar Memory is free to download, with no in-app purchases.
Is D free?
D is free to download, with no in-app purchases.
Do Lunar Memory or D have ads?
D shows ads; Lunar Memory does not.
Which is updated more often, Lunar Memory or D?
Lunar Memory ships an update every 3 weeks, and D every 3 days. Most recently, Lunar Memory was updated on September 7, 2026 and D on September 9, 2026.

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