# Era Converter Plus — AD&JP Era: Conversion App UPG

> Converts Gregorian years to Japanese eras and vice versa with historical data. (iPhone/iPad app by NAOTO UENO.)

- Source: https://appshunter.io/ios/app/era-converter-plus/id6737715839 (this page in markdown: same URL + `.md`)
- Developer: [NAOTO UENO](https://appshunter.io/developer/1713488656)
- Category: Education, Utilities
- Price: $1.99
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 17.6 · 4 MB
- Languages: English, Japanese
- Released: 2024-11-20
- Data updated: 2026-07-17
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/era-converter-plus/id6737715839/reviews.md

## What is Era Converter Plus?

Main Functions
- Convert between the Gregorian year and the Japanese era
- Multi-device support for iPhone, iPad, and Mac
- From ancient times to the present(Expanded coverage from 593 AD onwards)
- Use the search button to quickly check the Chinese zodiac, leap months, and dates of era changes
- Addition of Chinese zodiac readings (both on-yomi and kun-yomi) and zodiac numbers (Plus)
- Option to select additional display items (Plus)
- Notes can be registered for each year (Plus)
- Font color can be set (Plus)
- Easily access previous or following years with the +/- buttons
- Long press on search results to copy
- Supports parallel era names, such as those from the Nanboku-chō period. Both are displayed when converting from the Gregorian year.
- For years after Meiji 6, the leap month field displays leap years (*)

## Key features

- Gregorian to Japanese era conversion
- Japanese era to Gregorian conversion
- Search for zodiac, leap months, era changes
- Support for ancient to modern eras (593 AD+)
- Parallel era name display (Nanboku-chō)
- Add notes to years
- Customizable display items


## Frequently asked questions about Era Converter Plus

### What is Era Converter Plus?

Era Converter Plus is a paid application designed to convert years between the Gregorian calendar and Japanese eras. It supports a wide range of historical periods and offers advanced search and customization features.

### What Japanese eras does Era Converter Plus cover?

Era Converter Plus covers Japanese eras from ancient times to the present, starting from 593 AD. It also supports parallel era names, such as those from the Nanboku-chō period.

### Can I search for specific dates or information within Era Converter Plus?

Yes, you can use the search button to quickly check the Chinese zodiac, leap months, and dates of era changes. You can also long-press on search results to copy them.

### What are the 'Plus' features in Era Converter Plus?

The 'Plus' features include Chinese zodiac readings, zodiac numbers, the option to select additional display items, the ability to register notes for each year, and customizable font colors.

### On which devices can I use Era Converter Plus?

Era Converter Plus supports multiple devices, including iPhone, iPad, and Mac. It is designed for iOS and macOS platforms.

### How often is Era Converter Plus updated?

The app was last updated on May 14, 2026, with version 1.1.1. This indicates a recent update, suggesting ongoing support and potential for future improvements.

### What is the age rating for Era Converter Plus?

Era Converter Plus has an age rating of 4+. This means it is considered suitable for children aged 4 and above, with no mature content.

### Does Era Converter Plus have ads?

No, Era Converter Plus does not contain advertisements. As a paid application, it offers an ad-free experience for users.

## Version history (last 5 releases)

### 1.1.1 — 2026-05-14

- Fixed an issue with the year number in the Japanese era display

### 1.0.4 — 2025-03-13

- Fixed minor issue

### 1.0.3 — 2025-01-13

- Improved UI for macOS version
- Enabled the ability to set font colors for both light and dark modes

### 1.0.2 — 2024-12-16

- Changed app icon

### 1.0.1 — 2024-11-22

- Improved memo display function

## More apps by NAOTO UENO

- [Cloud Memo](https://appshunter.io/ios/app/cloud-memo/id6474221293)
- [Color Date Gen](https://appshunter.io/ios/app/color-date-gen/id6475646169)
- [Color Date Plus](https://appshunter.io/ios/app/color-date-plus/id6478318337)
- [Color Date](https://appshunter.io/ios/app/color-date/id6478446273)
- [Cloud Memo Plus](https://appshunter.io/ios/app/cloud-memo-plus/id6479646802)
- [Color Date One](https://appshunter.io/ios/app/color-date-one/id6480535376)

All apps by NAOTO UENO: https://appshunter.io/developer/1713488656

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-17.*