# 年号電卓+ vs Bible J

The clearest difference is in-app purchases: 年号電卓+ at none against Bible J's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Bible J sells 2 in-app purchases, starting at $14.99 per month. 年号電卓+ asks for nothing beyond the download.

## The numbers

| Metric | 年号電卓+ | Bible J |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free | — |
| Size | 0 MB | 116 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [SHINICHI KANEDA](https://appshunter.io/developer/1061887320) | [Mike Monji](https://appshunter.io/developer/1531380972) |

## 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


### Bible J

[App page](https://appshunter.io/ios/app/bible-j/id6760270131)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $14.99 | per month |
| Yearly Subscription | $149.99 | per year |


## Frequently asked questions

### Is 年号電卓+ free?

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

### Is Bible J free?

Bible J is free to download, with in-app purchases available.

### Do 年号電卓+ or Bible J have ads?

Neither 年号電卓+ nor Bible J shows ads.

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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.*