# 暦電卓 | 西暦・和暦・年齢・干支が早わかり vs 年間カレンダー + ウィジェット

The clearest difference is ads: 年間カレンダー + ウィジェット at none against 暦電卓 | 西暦・和暦・年齢・干支が早わかり's shown. 年間カレンダー + ウィジェット also leads on update cadence (weekly vs every 3 months). 暦電卓 | 西暦・和暦・年齢・干支が早わかり's advantage is iOS requirement (15.6 vs 18.6). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. 暦電卓 | 西暦・和暦・年齢・干支が早わかり sells 2 one-off in-app purchases and 年間カレンダー + ウィジェット sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

暦電卓 | 西暦・和暦・年齢・干支が早わかり ships an update every 3 months, 年間カレンダー + ウィジェット weekly. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 暦電卓 | 西暦・和暦・年齢・干支が早わかり | 年間カレンダー + ウィジェット |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 36 MB | 2 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NAOYA ONO](https://appshunter.io/developer/1530328146) | [ASAYA, LLC](https://appshunter.io/developer/1824587674) |

## What reviewers say

### 暦電卓 | 西暦・和暦・年齢・干支が早わかり

[App page](https://appshunter.io/ios/app/id1622960123)

Instantly convert between Gregorian and Japanese eras, calculate ages, and determine zodiac signs. This app helps answer common questions about historical dates and personal timelines with an easy-to-use interface and automatic conversion for non-existent years.

**Highlights:** Gregorian to Japanese era conversion, Japanese era to Gregorian conversion, Age calculation, Zodiac sign determination, Era list included, Automatic conversion of invalid years

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Developer | $0.99 | one-time |
| Remove ads | $3.99 | one-time |


### 年間カレンダー + ウィジェット

[App page](https://appshunter.io/ios/app/plus/id6755422209)

Display a simple annual calendar directly on your iPhone's home screen as a widget. Customize the view to show 12, 6, 4, or 3 months. A premium plan offers design customization options.

**Highlights:** Home screen calendar widget, Customizable month display (12, 6, 4, 3 months), Annual calendar view, Semi-annual calendar view, Quarterly calendar view, Premium design customization

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Life Time | $2.99 | one-time |


## Frequently asked questions

### Is 暦電卓 | 西暦・和暦・年齢・干支が早わかり free?

暦電卓 | 西暦・和暦・年齢・干支が早わかり is free to download, with in-app purchases available.

### Is 年間カレンダー + ウィジェット free?

年間カレンダー + ウィジェット is free to download, with in-app purchases available.

### Do 暦電卓 | 西暦・和暦・年齢・干支が早わかり or 年間カレンダー + ウィジェット have ads?

暦電卓 | 西暦・和暦・年齢・干支が早わかり shows ads; 年間カレンダー + ウィジェット does not.

### Which is updated more often, 暦電卓 | 西暦・和暦・年齢・干支が早わかり or 年間カレンダー + ウィジェット?

暦電卓 | 西暦・和暦・年齢・干支が早わかり ships an update every 3 months, and 年間カレンダー + ウィジェット weekly. Most recently, 暦電卓 | 西暦・和暦・年齢・干支が早わかり was updated on October 10, 2026 and 年間カレンダー + ウィジェット on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*