Day2U vs AllDays
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Day2U
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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
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.
- Lunar birthday support
- Customizable notifications
- Anniversary sorting
- Zodiac icons
- Days since birth counter
- Widget display
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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
Verdict
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
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.
Day2U ships an update fortnightly, AllDays monthly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | Day2U | AllDays |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (7 ratings) — better |
| Positive reviews | — | 95.8% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Fortnightly — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPod, Apple Watch — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | CHUNGKIL KIM | OhLee |
In-app purchases
Day2U
- Remove Ad$3.99
AllDays
- 모든날 프리미엄$1.99









