Comparison

Countdown vs Birthday Reminder

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

Head to head
About

Countdown

Read full description

Countdown lets you easily countdown to any day you want! From birthdays, to anniversaries, to holidays, and more, countdown to any date in a simple and easy to use way!

About

Birthday Reminder

Never forget an important birthday again. This app tracks both solar and lunar dates, calculates ages and zodiac signs, and helps you manage gift history. Organize contacts into groups and visualize your family tree, all while keeping your data private on your device.

Highlights
  • Solar and lunar birthday tracking
  • Automatic age and zodiac calculation
  • Customizable birthday reminders
  • Gift history logging
  • Group organization and family tree
  • Data backup and restore
Features
Read full description

Keep track of the birthdays that matter - including lunar calendar dates that shift every year. AgeMap stores them all in one place and reminds you before they arrive. * Lunar birthdays, handled Enter a birthday on the lunar calendar and AgeMap converts it to this year's date automatically, every year. No almanac, no manual math. Both solar and lunar dates are supported. * Reminders that arrive in time Get notified 30 days, 7 days, or 1 day ahead - whichever you prefer. Upcoming birthdays are gathered on one screen so you can see who is coming up this month. * Ages calculated for you Add a date of birth and the current age is worked out automatically, along with the Chinese zodiac sign and star sign. An age-ordered chart lets you compare everyone at a glance. * Gift history - given and received Record what you gave and what you received, with a photo and a note. When the next birthday comes around, last year's answer is already there. * Groups and family tree Organize people into groups like family, friends, or work. Define relationships between them and see how everyone connects in a family tree view. * Key features - Solar and lunar birthdays, with automatic yearly conversion - Reminders at D-30, D-7 and D-1 - Automatic age calculation, Chinese zodiac and star signs - Age-ordered chart for at-a-glance comparison - Group management with importable preset groups - Relationship editing and family tree view - Gift history (given / received) with photos and notes - Backup and restore people, relationships, photos and settings as a ZIP file - English and Korean interface (auto-selected from device language) - Dark mode supported * Your data stays on your device - No cloud uploads - No sign-up, no account - Backup ZIP files are saved and managed by you - Free app, supported by banner ads (Google AdMob) * Permissions - Notifications: to remind you before a birthday arrives. - Photos and videos: for profile pictures and gift history photos. - Camera (optional): to take a profile picture directly. Put the birthdays you care about in one place.

Screenshots

Countdown2 screens
Birthday Reminder4 screens

Verdict

The call

The clearest difference is ads: Countdown at none against Birthday Reminder's shown. Countdown also leads on device support (4 vs 2) and iOS requirement (12.0 vs 16.0). Birthday Reminder's advantage is update cadence (every 2 months vs every 6 months). On price and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Countdown ships an update every 6 months, Birthday Reminder every 2 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard4 real differences Β· 4 level
Countdown versus Birthday Reminder: the parameters behind the verdict, then further details
ParameterCountdownBirthday Reminder
PriceFreeFree
Positive reviewsβ€”100.0% of reviews
Update frequencyEvery 6 monthsEvery 2 months β€” better
AdsNo β€” betterYes
In-app purchasesNoNo
Monetizationβ€”Ad-supported
DevicesiPhone, iPad, iPod, Mac β€” betteriPhone, iPad
Requires iOS12.0 β€” better16.0
Further details β€” not scored
Size26 MB12 MB
Age rating4+4+
DeveloperMallory HaasCHANG GOO KIM

In-app purchases

None

Countdown

No in-app purchases

None

Birthday Reminder

No in-app purchases

Questions

Is Countdown free?
Countdown is free to download, with no in-app purchases.
Is Birthday Reminder free?
Birthday Reminder is free to download, with no in-app purchases.
Do Countdown or Birthday Reminder have ads?
Birthday Reminder shows ads; Countdown does not.
Which is updated more often, Countdown or Birthday Reminder?
Countdown ships an update every 6 months, and Birthday Reminder every 2 months. Most recently, Countdown was updated on October 30, 2026 and Birthday Reminder on October 31, 2026.

Other comparisons