やさしい西暦・和暦 vs 信州イベントpay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
やさしい西暦・和暦
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やさしい西暦・和暦 西暦と和暦を、かんたんに変換できる年号アプリです。 年齢や干支の確認はもちろん、2つの年の差（何年経過したか）の計算や、日本の時代を一覧で見ることもできます。さらに、歴史クイズで楽しみながら日本の歴史を学べます。 大きな文字とシンプルな操作で、お子さまからご高齢の方まで安心してお使いいただけます。 【主な機能】 ・西暦 ↔ 和暦 変換 ・年齢を確認 ・干支を表示 ・年数計算（2つの年の差を計算） ・日本の時代一覧 ・歴史クイズ（3問・5問・10問から選択） ・結果ランク表示で楽しく学習 毎日の確認や、ご家族との会話、歴史学習にも役立つアプリです。
信州イベントpay
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Shinshu Event Pay allows you to search for events held throughout Japan and register for them easily. Download the app and start exploring events!
Screenshots
Verdict
The clearest difference is update cadence: 信州イベントpay at every 3 days against やさしい西暦・和暦's every 5 months. 信州イベントpay also leads on iOS requirement (15.6 vs 17.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
やさしい西暦・和暦 ships an update every 5 months, 信州イベントpay every 3 days. The most recent releases landed on September 27, 2026 and September 22, 2026 respectively.
| Parameter | やさしい西暦・和暦 | 信州イベントpay |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 5 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Takanari Yamazaki | Birdy Ventures |
In-app purchases
やさしい西暦・和暦
No in-app purchases
信州イベントpay
No in-app purchases
