Comparison

TheDayBefore (days countdown) vs Bibliotecas USIL

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

Head to head
About

TheDayBefore (days countdown)

Easily manage important dates and countdown to special events with customizable widgets and decorative options. Record memories, share milestones with loved ones, and organize your schedule by category. Never miss a precious moment again.

Highlights
  • Customizable D-Day countdowns
  • Lock screen and home screen widgets
  • Multiple calculation methods (days, months, weeks)
  • Event decoration with stickers and effects
  • Story feature for recording memories with photos
  • Sharing of D-Day events
  • Category-based event grouping
Features
Read full description

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] · Photos: Used to load and save photos when using or sharing background images. · 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. Have a question? We're always here to help · Email: help@thedaybefore.kr · Terms of Use (EULA):https://www.thedaybefore.kr/terms

About

Bibliotecas USIL

Features
Read full description

Accede más fácilmente a Bibliotecas USIL desde tu iPhone, iPad o iPod Touch. Puedes acceder a tu cuenta, hacer búsquedas del catálogo, reservar y renovar libros.

Screenshots

TheDayBefore (days countdown)4 screens
Bibliotecas USIL4 screens

Verdict

The call

The clearest difference is in-app purchases: Bibliotecas USIL at none against TheDayBefore (days countdown)'s 2. Bibliotecas USIL also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.0). TheDayBefore (days countdown)'s advantage is update cadence (every 4 days vs every 3 months). On price 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. TheDayBefore (days countdown) sells 2 in-app purchases, starting at $1.49 per month. Bibliotecas USIL asks for nothing beyond the download.

UpkeepUpdate frequency

TheDayBefore (days countdown) ships an update every 4 days, Bibliotecas USIL every 3 months. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

Scorecard4 real differences · 6 level
TheDayBefore (days countdown) versus Bibliotecas USIL: the parameters behind the verdict, then further details
ParameterTheDayBefore (days countdown)Bibliotecas USIL
PriceFreeFree
Rating4.8 (1.1K ratings) — better—
Positive reviews86.0% of reviews—
Number of ratings1.1K — better—
Update frequencyEvery 4 days — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size338 MB50 MB
Age rating4+17+
DeveloperTheDayBefore, Inc.UNIVERSIDAD SAN IGNACIO DE LOYOLA S.R.L.

In-app purchases

2 purchases

TheDayBefore (days countdown)

Subscriptions1
  • Basic (1-Month Plan)$1.491 Month
One-time1
  • Remove Ads$9.99
None

Bibliotecas USIL

No in-app purchases

Questions

Is TheDayBefore (days countdown) free?
TheDayBefore (days countdown) is free to download, with in-app purchases available.
Is Bibliotecas USIL free?
Bibliotecas USIL is free to download, with no in-app purchases.
Do TheDayBefore (days countdown) or Bibliotecas USIL have ads?
TheDayBefore (days countdown) shows ads; Bibliotecas USIL does not.
Which is updated more often, TheDayBefore (days countdown) or Bibliotecas USIL?
TheDayBefore (days countdown) ships an update every 4 days, and Bibliotecas USIL every 3 months. Most recently, TheDayBefore (days countdown) was updated on November 11, 2026 and Bibliotecas USIL on November 7, 2026.

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