Comparison

Day2U vs AllDays

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

Head to head
About

Day2U

Features
Read full description

How many days until your special day? Day2U is a beautiful and simple D-Day countdown app that shows remaining days to your important dates - birthdays, anniversaries, exams, trips, and more. [Key Features] - D-Day Countdown Check remaining days to birthdays, anniversaries, exams, and trips at a glance. Count elapsed days too. - Multiple Display Styles Choose from bar graph, circle graph, or countdown timer to visualize your D-Days. - Smart Notifications Get reminders on the day, 1 day before, 3 days before, or 7 days before. Never miss an important date. - Yearly Repeat Automatically updates recurring events like birthdays and anniversaries. Anniversary counts are calculated automatically. - Quick Add Holidays Add holidays from Korea, Japan, USA, and Europe with just one tap. - Lunar Calendar Support Manage lunar-based celebrations like Lunar New Year and birthdays accurately. Leap months supported. - Convenient Widgets Check D-Days from home screen and lock screen widgets without opening the app. - Category Organization Organize by Birthday, Exam, Travel, Anniversary, Project, Event, Health, Contract, and more. - iCloud Sync Access the same D-Day data across all your devices. - Data Backup Keep your data safe with automatic and manual backup options. Start counting down to your special moments with Day2U! [In app purchases] - Remove Ad Privacy Policy: https://cksw.pe.kr/Day2U/privacy.html Terms of Service: Apple Standard EULA https://www.apple.com/legal/itunes/appstore/dev/stdeula

About

AllDays

Easily track and manage important dates like birthdays and anniversaries with customizable widgets. Never miss a special occasion again with timely notifications and lunar calendar support.

Highlights
  • Lunar birthday support
  • Customizable notifications
  • Anniversary sorting
  • Zodiac icons
  • Days since birth counter
  • Widget display
Features
Read full description

Have you ever missed your parents' birthdays? Have you ever overlooked important anniversaries due to a busy life? Family birthdays, anniversary with your partner, nephew's first birthday celebration... How about managing these anniversaries easily and conveniently? *Key features Support for lunar birthdays Notification Top sorting of bookmarked anniversaries Sorting by upcoming anniversaries Corresponding zodiac icon based on the birthday input Ability to display months/weeks/days since birth Widgets

Screenshots

Day2U4 screens
AllDays4 screens

Verdict

The call

The clearest difference is device support: AllDays at 3 against Day2U's 1. AllDays also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases 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. Day2U sells 1 one-off in-app purchase and AllDays sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Day2U ships an update fortnightly, AllDays monthly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

Scorecard2 real differences · 8 level
Day2U versus AllDays: the parameters behind the verdict, then further details
ParameterDay2UAllDays
PriceFreeFree
Rating—4.7 (7 ratings) — better
Positive reviews—95.8% of reviews
Number of ratings—7 — better
Update frequencyFortnightly — betterMonthly
AdsYesYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPod, Apple Watch — better
Requires iOS17.015.0 — better
Further details — not scored
Size25 MB85 MB
Age rating4+4+
DeveloperCHUNGKIL KIMOhLee

In-app purchases

1 purchases

Day2U

One-time1
  • Remove Ad$3.99
1 purchases

AllDays

One-time1
  • 모든날 프리미엄$1.99

Questions

Is Day2U free?
Day2U is free to download, with in-app purchases available.
Is AllDays free?
AllDays is free to download, with in-app purchases available.
Do Day2U or AllDays have ads?
Both Day2U and AllDays show ads.
Which is updated more often, Day2U or AllDays?
Day2U ships an update fortnightly, and AllDays monthly. Most recently, Day2U was updated on November 6, 2026 and AllDays on November 7, 2026.

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