年号電卓+ vs Simple
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
年号電卓+
This calculator-style app allows you to easily convert between Japanese eras and Western years, and calculate ages. Input a year or age to see the corresponding era and Western year, accommodating birth month and day flexibility. You can also customize era keys for quick access.
- Era to Western year conversion
- Western year to era conversion
- Age calculation
- Flexible birth date handling
- Customizable era keys
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「年号電卓+」は電卓風の画面で手軽に年号や年齢を調べる事が可能です。 年号または西暦を入力すると年齢を表示し、年齢を入力すれば年号と西暦が表示されます。 二通りの答えを表示させているので、生まれた月日がいつであっても柔軟に対応できます。 年号キーを長押しする事で年号キーに好きな年号を設定する事ができます。 ※注意事項 ・年号変換機はiPhoneの時刻設定を利用しています。 正しく機能させる為には、時刻設定が正しい必要があります。 ・不具合や要望がありましたらサポートよりお問い合わせください。 ・年齢の項目には満年齢を表示しています。
Simple
This application offers a straightforward tool for converting units and performing calculations. It combines both functions for user convenience, making it ideal for everyday tasks rather than highly specialized professional use.
- Unit conversion
- Calculator functionality
- Combined converter and calculator
- Easy to use interface
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Easy and simple unit conversion calculator. Converter and calculator are mixed for convenience. *This is not for a highly specialized job.
Screenshots
Verdict
The clearest difference is review sentiment: Simple at 100% against 年号電卓+'s 60%. Simple also leads on iOS requirement (9.0 vs 15.6). 年号電卓+'s advantage is update cadence (every 2 weeks vs every 6 months). On price, ads, in-app purchases and monetization model 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.
年号電卓+ ships an update every 2 weeks, Simple every 6 months. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.
| Parameter | 年号電卓+ | Simple |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | 100.0% of reviews — better |
| Update frequency | Every 2 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | SHINICHI KANEDA | KENTA OKAMURA |
Customer experience
年号電卓+
Simple
In-app purchases
年号電卓+
No in-app purchases
Simple
No in-app purchases
