# らくらくカレンダー vs 年号電卓+

The clearest difference is in-app purchases: 年号電卓+ at none against らくらくカレンダー's 1. 年号電卓+ also leads on update cadence (every 2 weeks vs every 12 months). らくらくカレンダー's advantage is iOS requirement (10.0 vs 15.6). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. らくらくカレンダー sells 1 one-off in-app purchase. 年号電卓+ asks for nothing beyond the download.

らくらくカレンダー ships an update every 12 months, 年号電卓+ every 2 weeks. The most recent releases landed on September 14, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | らくらくカレンダー | 年号電卓+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **66.7% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 6 MB | 0 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YAMAGUCHI SECURITIES PRINTING INCORPORATION](https://appshunter.io/developer/1714400712) | [SHINICHI KANEDA](https://appshunter.io/developer/1061887320) |

## What reviewers say

### らくらくカレンダー

[App page](https://appshunter.io/ios/app/id1057103516)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 登録・編集機能有効権 | $7.99 | one-time |


### 年号電卓+

[App page](https://appshunter.io/ios/app/plus/id1061887321)

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.

**Highlights:** Era to Western year conversion, Western year to era conversion, Age calculation, Flexible birth date handling, Customizable era keys

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is らくらくカレンダー free?

らくらくカレンダー is free to download, with in-app purchases available.

### Is 年号電卓+ free?

年号電卓+ is free to download, with no in-app purchases.

### Do らくらくカレンダー or 年号電卓+ have ads?

Neither らくらくカレンダー nor 年号電卓+ shows ads.

### Which is updated more often, らくらくカレンダー or 年号電卓+?

らくらくカレンダー ships an update every 12 months, and 年号電卓+ every 2 weeks. Most recently, らくらくカレンダー was updated on September 14, 2026 and 年号電卓+ on August 26, 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.*