Comparison

ReDay vs Big Day

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

Head to head
About

ReDay

Features
Read full description

ReDay - Remember Birthday ReDay allows you to save the birthdays of your relatives and friends to keep a constant eye on through the "Birthdays Overview" and you will get notified on the birthday of a person. Birthdays are sorted and categorized as follows: - Today: People with Birthdays today - Tomorrow: people that will celebrate the birthday tomorrow - Current Month (month name): birthdays past and coming for the current month - Next months: birthdays that will be celebrated in the coming months - Birthdays past: all the birthdays that have already been celebrated When you add a birthday, enter the name of the person and set its date of birth, then tap "Save" The age of the person added will be calculated automatically. Through the settings you can choose whether to enable and then receive notifications for birthdays. You can set the time that you prefer to receive notifications. ReDay was developed in Switzerland and is available in Italian and English.

About

Big Day

Track important dates with a visually appealing countdown. See your upcoming events on your Home Screen, Lock Screen, and Apple Watch without opening the app. Count down to future events or count up from past milestones.

Highlights
  • Home Screen widgets (all sizes)
  • Lock Screen widgets
  • Live Activities for real-time countdowns
  • Count up or count down functionality
  • Recurring events and weekday-only counting
  • Customizable alerts and categories
  • Apple Watch complications
Features
Read full description

Count down to what matters. See it on your Home Screen, Lock Screen, and Apple Watch. Countdown turns any date into a live countdown you can actually see — no opening an app, no digging through a calendar. Your next trip, your wedding, your exam, your due date. Always one glance away. FREE, AND ACTUALLY FREE No ads. Not on the free tier, not ever. No banners, no video walls, no "watch this to unlock." WIDGETS THAT DO MORE • Home Screen widgets in every size — small, medium, large, and inline • Lock Screen widgets so you see it without unlocking • Live Activities — watch the final hours tick down in real time on your Lock Screen and Dynamic Island • Interactive widgets — mark events done or snooze right from the Home Screen • Apple Watch complication showing your next event COUNT DOWN — OR COUNT UP Days until your holiday. Or days since you quit smoking, since the baby arrived, since you started. Both directions, same app. BUILT FOR REAL LIFE • Recurring events that reset themselves — birthdays, anniversaries, rent, monthly deadlines • Weekday-only counting for work deadlines (17 working days, not 24 calendar days) • Multiple alerts per event — a week out, a day out, an hour out • Categories with colors and icons — travel, family, work, health • Custom photo backgrounds from your library or our gallery • Choose exactly what shows: years, months, weeks, days, hours, minutes, seconds • Share a countdown to iMessage in one tap YOUR APPLE WATCH, INCLUDED Your countdowns sync to your Watch automatically — no iCloud account needed, no subscription, on the free tier. COUNTDOWN PRO — ONE PAYMENT, NOT A SUBSCRIPTION Unlimited events, iCloud sync between iPhone and iPad, unlimited custom backgrounds, and all widget styles. Pay once. Keep it forever. Free tier includes 5 events, all widget sizes, Apple Watch sync, and zero ads. PRIVATE BY DESIGN Your events stay on your device and in your own iCloud. No accounts, no servers, no tracking. EULA: Apple’s Standard License Agreement applies.

Screenshots

ReDay3 screens
Big Day4 screens

Verdict

The call

The clearest difference is in-app purchases: ReDay at none against Big Day's 1. ReDay also leads on iOS requirement (9.0 vs 17.0). Big Day's advantage is update cadence (every 2 weeks vs every 5 months). On price, ads 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. Big Day sells 1 one-off in-app purchase. ReDay asks for nothing beyond the download.

UpkeepUpdate frequency

ReDay ships an update every 5 months, Big Day every 2 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 6 level
ReDay versus Big Day: the parameters behind the verdict, then further details
ParameterReDayBig Day
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 5 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS9.0 — better17.0
Further details — not scored
Size17 MB5 MB
Age rating4+4+
DeveloperElvir BerishaDamien Asseya

In-app purchases

None

ReDay

No in-app purchases

1 purchases

Big Day

One-time1
  • Countdown Pro$5.99

Questions

Is ReDay free?
ReDay is free to download, with no in-app purchases.
Is Big Day free?
Big Day is free to download, with in-app purchases available.
Do ReDay or Big Day have ads?
Neither ReDay nor Big Day shows ads.
Which is updated more often, ReDay or Big Day?
ReDay ships an update every 5 months, and Big Day every 2 weeks. Most recently, ReDay was updated on October 26, 2026 and Big Day on October 25, 2026.

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