Comparison

日付計算ツール vs Days Counter

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

Head to head
About

日付計算ツール

Features
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日付計算は、日付に関するよく使う計算をまとめた万能日付計算ツールです。 西暦と和暦を見比べたい、年齢を確認したい、予定まであと何日か知りたい、2つの日付の差を数えたい。そんな日常の計算を、1つのアプリで素早く確認できます。 主な機能 ・西暦/和暦、元号、曜日、年内日数を表示 ・生年月日から満年齢、生後日数、次の誕生日までの日数を計算 ・旅行、支払い、記念日などのカウントダウン ・2つの日付の間の日数差を計算 ・基準日から何日後、何日前を計算 ・土日または土日祝を除いた営業日計算 ・計算結果のコピー ・カウントダウンと計算履歴の保存 営業日計算では、日本の国民の祝日、振替休日、国民の休日を除外する設定を選べます。 全機能アンロック 保存件数の上限解除、タグ・メモ、Appleカレンダー連携を利用できます。 Appleカレンダー連携では、保存したカウントダウンを標準カレンダーの予定として追加できます。通知時刻やカレンダー選択は、iOS標準カレンダーの編集画面で設定します。 このアプリは日付計算と予定確認を補助するツールです。法務、会計、労務などの専門判断が必要な用途では、必ず公式情報や専門家の確認と併用してください。

About

Days Counter

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See "how many days" at a glance — and make every day a little more exciting. Trips, concerts, exams, weddings. Or the day you met, the day they were born, the day you quit smoking. DaysCounter shows both "days until" and "days since," beautifully layered over your favorite photos. ■ WIDGETS THAT UPDATE RELIABLY DaysCounter pre-renders 14 days of widget timelines in advance, so your numbers tick over reliably at midnight — every night. Full support for Home Screen widgets (small, medium, large) and Lock Screen widgets (circular, rectangular, inline). ■ COUNT DOWN AND COUNT UP Future dates count down, past dates count up — detected automatically, switchable manually. And when there's less than a day left, YOU decide whether it switches to hours or stays in days. ■ PHOTO-FIRST DESIGN Your photos, full screen. One big beautiful number on top. No photo? Choose from 5 free preset backgrounds or 50 premium designs. ■ REPEATING EVENTS Birthdays repeat yearly, payday monthly, trash day weekly. Set once and the date rolls forward automatically. ■ AND MORE - Organize events with 12 categories - Notifications: on the day, 1 day before, 1 week before, or custom - iCloud sync — switch phones without losing anything - JSON backup & restore - Share your countdown as an image on social media ■ FREE vs PRO Everything essential is free: unlimited events, all widget types (with ads). Upgrade to Pro — a one-time purchase, not a subscription: - Remove all ads forever - Unlock all 50 premium backgrounds - Create custom categories - Business-day counting and repeat-every-X-days No subscriptions. Pay once, keep it forever. Keep the days that matter where you can always see them. Start counting today.

Screenshots

日付計算ツール4 screens
Days Counter4 screens

Verdict

The call

The clearest difference is price: Days Counter at Free against 日付計算ツール's $0.99. 日付計算ツール's advantage is ads (none vs shown). On in-app purchases, device support 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

Days Counter is free to download; 日付計算ツール costs $0.99 up front. 日付計算ツール sells 1 one-off in-app purchase and Days Counter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 4 level
日付計算ツール versus Days Counter: the parameters behind the verdict, then further details
Parameter日付計算ツールDays Counter
Price$0.99Free — better
Update frequency—Every 2 weeks
AdsNo — betterYes
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS17.017.0
Further details — not scored
Size1 MB14 MB
Age rating4+4+
DeveloperSMART BIT K.KKe Tong

In-app purchases

1 purchases

日付計算ツール

One-time1
  • 全機能アンロック$2.99
1 purchases

Days Counter

One-time1
  • DaysCounter Pro$2.99

Questions

Is 日付計算ツール free?
日付計算ツール costs $0.99, and also offers in-app purchases.
Is Days Counter free?
Days Counter is free to download, with in-app purchases available.
Do 日付計算ツール or Days Counter have ads?
Days Counter shows ads; 日付計算ツール does not.

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