Comparison

Age Calculator vs 日かぞえ|記念日カウントダウン・経過日数

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

Head to head
About

Age Calculator

Features
Read full description

How old are you, exactly? Age Calculator answers instantly — and works completely offline. Enter a birth date and get your age in years, months and days, with correct leap-year and February 29 handling. Then see how long until the next birthday, which weekday it falls on, and how many days you have been alive. MAIN FEATURES • Exact age in years, months and days • Next birthday countdown, with the weekday it lands on • Western zodiac sign and lunar zodiac animal • Totals: months, weeks, days and hours lived, plus fun estimates • Date difference: the distance between any two dates • Life milestones: 10,000 days, 1 billion seconds, round-number ages • Saved birthdays for family and friends, sorted by who is next • Birthday reminders so you never forget again • Lunar calendar: lunar birth date and sexagenary (stem-branch) pillars • Light and dark themes • 33 languages WHY PEOPLE USE IT Figure out a child's exact age for a school form. Check how many days until an anniversary. Count the days between two dates for a contract or a trip. Find out which weekday you were born on. Keep every family birthday in one place and get reminded before each one. PRIVATE BY DESIGN No account, no sign-up, no internet needed. Nothing you enter leaves your device. The app works on a plane, in a basement, anywhere. REMOVE ADS One optional in-app purchase removes all ads permanently. Everything else in the app is free, with no subscription and no paywalled feature. Download Age Calculator free and find out your exact age today.

About

日かぞえ|記念日カウントダウン・経過日数

Features
Read full description

ロック画面をひらくたびに、「あの日からもう何日」「あの日まであと何日」。 日かぞえは、大切な日からの日数を、ロック画面とホーム画面のウィジェットに置いておけるアプリです。 広告は一切ありません。続けて払うものもありません。 ■ ロック画面が主役です ・円形(進んだぶんのリング)と、長方形(名前+大きな日数)の2種類 ・ホーム画面は「小」(1件を大きく)と「中」(横長・最大3件) ・日付が変わる深夜0時に、数字がひとりでに変わります ■ こんな数え方に ・記念日・誕生日からの日数/結婚記念日まであと何日 ・禁酒・休肝日・禁煙など、続けていることの「◯日目」 ・推しに出会って・デビューして「◯日目」 ・出産予定日・受験・入籍まで「あと◯日」 ■ 使いやすさ ・「今日で◯日目」から逆に入れられます(何年も前の日でもすぐ設定できます) ・毎年・毎月くり返す記念日にも対応 ・カウンターごとに色を1つ選ぶだけ。数字が主役の静かなデザイン ・カードを長押しして「上へ」「下へ」で並べ替え ■ 無料でできること/解放してできること 無料でカウンターを3件まで作れます。ウィジェットに出せるのは、いちばん上の1件です。 買い切りの「すべての機能を解放」で、カウンターは何件でも作れるようになり、 テーマの色はすべて選べて、ウィジェットにはどのカウンターでも出せるようになります。 ホーム画面の「中」には最大3件を並べられます。買い切りなので、続けて払うものはありません。

Screenshots

Age Calculator4 screens
日かぞえ|記念日カウントダウン・経過日数4 screens

Verdict

The call

The clearest difference is ads: 日かぞえ|記念日カウントダウン・経過日数 at none against Age Calculator's shown. Age Calculator's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and in-app purchases 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. Age Calculator sells 1 one-off in-app purchase and 日かぞえ|記念日カウントダウン・経過日数 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Age Calculator ships an update every 3 weeks, 日かぞえ|記念日カウントダウン・経過日数 every 2 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 3 level
Age Calculator versus 日かぞえ|記念日カウントダウン・経過日数: the parameters behind the verdict, then further details
ParameterAge Calculator日かぞえ|記念日カウントダウン・経過日数
PriceFreeFree
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size26 MB2 MB
Age rating4+4+
DeveloperNKKtech Global Pte. Ltd.Takuto Iguchi

In-app purchases

1 purchases

Age Calculator

One-time1
  • Remove Ads$1.99
1 purchases

日かぞえ|記念日カウントダウン・経過日数

One-time1
  • すべての機能を解放$2.99

Questions

Is Age Calculator free?
Age Calculator is free to download, with in-app purchases available.
Is 日かぞえ|記念日カウントダウン・経過日数 free?
日かぞえ|記念日カウントダウン・経過日数 is free to download, with in-app purchases available.
Do Age Calculator or 日かぞえ|記念日カウントダウン・経過日数 have ads?
Age Calculator shows ads; 日かぞえ|記念日カウントダウン・経過日数 does not.
Which is updated more often, Age Calculator or 日かぞえ|記念日カウントダウン・経過日数?
Age Calculator ships an update every 3 weeks, and 日かぞえ|記念日カウントダウン・経過日数 every 2 weeks. Most recently, Age Calculator was updated on October 28, 2026 and 日かぞえ|記念日カウントダウン・経過日数 on October 24, 2026.

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