TheDayBefore (days countdown)
TheDayBefore (days countdown) Summary
TheDayBefore (days countdown) is a free, ad-supported, with in-app purchases Android app in Lifestyle by TheDayBefore, Inc.. Released in Mar 2010 (16 years ago). It has about 19.1M+ installs and 112K ratings with a 4.82★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 71K monthly active users and generates around $<10K monthly revenue (31% IAP / 69% ads). Store last updated Aug 3, 2026
Recent activity: 2.2K installs this week (8.6K over 4 weeks) showing exceptional growth , and 42 new ratings this week View trends →
Advertising: AppGoblin detected 1.00 monetized ad creatives shown inside the app.
SDK intelligence: AppGoblin detected 7 ad networks(e.g. Google), 5 development tools, 3 business tools, 2 analytics: product,and 2 mediation integrated into TheDayBefore (days countdown). View full SDK list →
TheDayBefore (days countdown) SDKs Summary
TheDayBefore (days countdown) was last scanned for SDKs on 2026-08-10. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
AppGoblin saw TheDayBefore (days countdown) uses 5 Development Tools
Kotlin
Airbnb Engineering
Square
GoogleAppGoblin saw TheDayBefore (days countdown) uses 7 Ad Networks
ByteDance
AppLovinAppGoblin saw TheDayBefore (days countdown) uses 3 Business Tools
Kakao
LineAppGoblin saw TheDayBefore (days countdown) uses 2 Analytics: Product
LinkedIn
FirebaseAppGoblin saw TheDayBefore (days countdown) uses 2 Mediation
AdMob4.82★
Ratings: 112K
Screenshots
App Description
Exams, anniversaries, fandom days — make any day your own event.
From big exams and anniversaries to fandom days and graduation,
turn every day you're waiting for into a event — managed with widgets, notifications, and stories.
The Event app, The Day Before
For students counting down to exams, couples tracking anniversaries, friends counting down to graduation, and fans marking their favorite artist's next release —
— count every day with The Day Before.
● Make any day your own event
· Choose from 80+ keywords including exams, couple anniversaries, graduation, fandom days, and baby milestones.
· Never miss lunar calendar dates like lunar birthdays, memorial services, and holidays.
· Select a keyword and the icon, background, and notifications are set up automatically.
● Pin your event as a widget on the screen you see every day
· Check your event anytime with home screen and lock screen widgets.
· Multiple sizes and styles — perfect for personalizing your phone.
● We'll remind you so you never forget your event
· Get custom notifications on the day, D-7, D-3, or D-1 — whenever you want.
· Anniversary notifications like 100 days and 1-year milestones are set automatically.
● Customize your event in your own style
· Choose your own background photo, icon, effects, stickers, and fonts.
· Your customized design shows up on your widget too.
● Capture today's excitement with a Story
· Save special moments with photos and text for each date.
· Upload up to 8 photos per story.
● Count together with people who share your vibe
· Meet others waiting for the same day in Recommended events.
· Album drops, weddings, new jobs — turns out you're not counting alone.
· Connect with others through comments on Recommended events.
[Optional Permissions]
· Files & Media (Photos/Media/Files): Used to load and save photos when using or sharing background images.
· Phone: Used to check call status and prevent the first screen from appearing during a call.
· Location: Used to provide weather information on the first screen.
· Camera: Used to take and attach photos to your Stories.
· You can still use the app without granting optional permissions, except for features that require them.
Feel free to reach out anytime with questions about the app.
· Email: help@thedaybefore.kr