# 年号電卓+ vs 瞬速！年齢早見表

The clearest difference is price: 年号電卓+ at Free against 瞬速！年齢早見表's $2.99. 年号電卓+ also leads on update cadence (every 2 weeks vs every 4 months) and iOS requirement (15.6 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

年号電卓+ is free to download; 瞬速！年齢早見表 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

年号電卓+ ships an update every 2 weeks, 瞬速！年齢早見表 every 4 months. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 年号電卓+ | 瞬速！年齢早見表 |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 0 MB | 7 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SHINICHI KANEDA](https://appshunter.io/developer/1061887320) | [Shun Isayama](https://appshunter.io/developer/1578976556) |

## What reviewers say

### 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


### 瞬速！年齢早見表

[App page](https://appshunter.io/ios/app/id6736602603)

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

**In-app purchases:** none


## Frequently asked questions

### Is 年号電卓+ free?

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

### Is 瞬速！年齢早見表 free?

瞬速！年齢早見表 costs $2.99, with no in-app purchases.

### Do 年号電卓+ or 瞬速！年齢早見表 have ads?

Neither 年号電卓+ nor 瞬速！年齢早見表 shows ads.

### Which is updated more often, 年号電卓+ or 瞬速！年齢早見表?

年号電卓+ ships an update every 2 weeks, and 瞬速！年齢早見表 every 4 months. Most recently, 年号電卓+ was updated on October 11, 2026 and 瞬速！年齢早見表 on October 20, 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.*