# 履歴書年号 vs 年号電卓Plus

The clearest difference is ads: 年号電卓Plus at none against 履歴書年号's shown. 年号電卓Plus also leads on update cadence (every 6 weeks vs every 3 months). 履歴書年号's advantage is iOS requirement (12.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

履歴書年号 ships an update every 3 months, 年号電卓Plus every 6 weeks. The most recent releases landed on May 16, 2026 and July 27, 2026 respectively.

## The numbers

| Metric | 履歴書年号 | 年号電卓Plus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 30 MB | 7 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Hit Apps](https://appshunter.io/developer/378755417) | [Nakanishi Toshihiko](https://appshunter.io/developer/712843914) |

## What reviewers say

### 履歴書年号

[App page](https://appshunter.io/ios/app/id463157000)

**Features:** macOS Compatibility

**In-app purchases:** none


### 年号電卓Plus

[App page](https://appshunter.io/ios/app/plus/id1320583340)

Easily convert between Western and Japanese eras, and determine birth years from age. Explore historical context with explanations for era changes and significant events of each year.

**Highlights:** Western to Japanese era conversion, Japanese era to Western conversion, Calculate birth year from age, View era start and end dates, Understand reasons for era changes, Discover major events of each year

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 履歴書年号 free?

履歴書年号 is free to download, with no in-app purchases.

### Is 年号電卓Plus free?

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

### Do 履歴書年号 or 年号電卓Plus have ads?

履歴書年号 shows ads; 年号電卓Plus does not.

### Which is updated more often, 履歴書年号 or 年号電卓Plus?

履歴書年号 ships an update every 3 months, and 年号電卓Plus every 6 weeks. Most recently, 履歴書年号 was updated on May 16, 2026 and 年号電卓Plus on July 27, 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.*