Comparison

Birthday Calendar & Countdown 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

Birthday Calendar & Countdown

Never forget a birthday again with this app. It helps you add contacts, customize their profiles with emojis, and provides timely reminders. Beautiful widgets and calendar import make managing special dates easy.

Highlights
  • Birthday reminders
  • Customizable profiles with emojis
  • Home and lock screen widgets
  • Calendar import
  • Age tracking
Features
Read full description

Birthday makes remembering and celebrating birthdays effortless. Add friends and family, customize with emojis, and get timely reminders so you never miss a special day. Enjoy beautiful home screen and lock screen widgets, calendar import, and age tracking.

About

Big Day

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

Birthday Calendar & Countdown4 screens
Big Day4 screens

Verdict

The call

The clearest difference is in-app purchases: Birthday Calendar & Countdown at none against Big Day's 1. Big Day's advantage is update cadence (every 2 weeks vs every 3 months) and device support (3 vs 1). On price, ads and iOS requirement 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. Birthday Calendar & Countdown asks for nothing beyond the download.

UpkeepUpdate frequency

Birthday Calendar & Countdown ships an update every 3 months, Big Day every 2 weeks. Both last shipped on October 12, 2026.

Scorecard3 real differences · 6 level
Birthday Calendar & Countdown versus Big Day: the parameters behind the verdict, then further details
ParameterBirthday Calendar & CountdownBig Day
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad, Apple Watch — better
Requires iOS18.517.0 — better
Further details — not scored
Size2 MB5 MB
Age rating4+4+
DeveloperNoah SeegerDamien Asseya

In-app purchases

None

Birthday Calendar & Countdown

No in-app purchases

1 purchases

Big Day

One-time1
  • Countdown Pro$5.99

Questions

Is Birthday Calendar & Countdown free?
Birthday Calendar & Countdown 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 Birthday Calendar & Countdown or Big Day have ads?
Neither Birthday Calendar & Countdown nor Big Day shows ads.
Which is updated more often, Birthday Calendar & Countdown or Big Day?
Birthday Calendar & Countdown ships an update every 3 months, and Big Day every 2 weeks. Most recently, Birthday Calendar & Countdown was updated on October 12, 2026 and Big Day on October 12, 2026.

Other comparisons