Date and Time Calculator Pro vs 電卓
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Date and Time Calculator Pro
Calculate the precise time difference between any two dates and times, down to the second. Easily determine future or past dates based on a specified duration. Ideal for tracking events, financial periods, or personal milestones.
- Calculate time distance between dates
- Calculate days after a specific date
- Calculate date before a specific date
- Second-level precision
- Period time calculation
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Want to know how many days you can receive the Christmas gift? Want to know how many days you will have the college entrance exam?Want to know how many days the 158-day wealth management product expired? This tool helps you to calculate the distance between any time, down to second. It can also calculate the day after that day between any time. This tool is not only for wealth management but also for period time. It can tell you the date before or after a certain period.
電卓
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CalcNoteは、計算式の数値に「ラベル」を付けて管理できる電卓アプリです。 【こんな方におすすめ】 ・家計の収支を計算しながらメモしたい方 ・見積もりや簡易会計に電卓を使う方 ・計算の根拠を後から確認したい方 【主な機能】 ▼ ラベル付き数式 数値ひとつひとつに「収入」「家賃」「消費税」など自由にラベルを設定できます。後から見返したとき、何の数字か一目でわかります。 ▼ 計算履歴 「=」を押すだけで自動的に履歴に保存。日時・数式・結果をまとめて記録します。 ▼ テンプレート よく使う計算式をテンプレートとして保存。毎回入力し直す手間がなくなります。 ▼ カーソル自由操作 入力した数式の好きな位置に、長押し＋ドラッグでカーソルを移動して編集できます。 ▼ CSVエクスポート／インポート 計算履歴をCSVファイルで書き出し・読み込みできます。Excelでの管理にも対応。 ▼ プライバシー安心設計 すべてのデータは端末内にのみ保存。ネットワーク通信は一切行いません。 【表示設定】 ・桁区切り表示（1,000形式）のON/OFF ・ダークモード対応
Screenshots
Verdict
The clearest difference is price: 電卓 at Free against Date and Time Calculator Pro's $0.99. 電卓 also leads on update cadence (every 5 days vs every 5 weeks). Date and Time Calculator Pro's advantage is iOS requirement (15.0 vs 17.0). On ads, in-app purchases 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
電卓 is free to download; Date and Time Calculator Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Date and Time Calculator Pro ships an update every 5 weeks, 電卓 every 5 days. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.
| Parameter | Date and Time Calculator Pro | 電卓 |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.8 (947 ratings) — better | — |
| Positive reviews | 88.9% of reviews | — |
| Number of ratings | 947 — better | — |
| Update frequency | Every 5 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 山 钟 | eisuke yoshikawa |
Bugs and requests
Date and Time Calculator Pro
Reported bugs
3 issues- Paid version has lost the ability to calculate future dates based on weeks
- Date selection uses a scroll wheel instead of keypad entry
- Unable to copy or share calculation results
Requested features
5 requests- Add ability to change year for date time calculation
- Implement dark mode
- Add iPad version
- Add divide option in time calculator
- Add ability to calculate working days
電卓
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Date and Time Calculator Pro
No in-app purchases
電卓
No in-app purchases
Questions
Is Date and Time Calculator Pro free?
Is 電卓 free?
Do Date and Time Calculator Pro or 電卓 have ads?
Which is updated more often, Date and Time Calculator Pro or 電卓?
Other comparisons
