# Gengou Lib vs 判別式電卓

The clearest difference is price: Gengou Lib at Free against 判別式電卓's $0.49. 判別式電卓's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Gengou Lib is free to download; 判別式電卓 costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Gengou Lib | 判別式電卓 |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/gengou-lib/id284830543/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 84.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 61 months | — |
| Monetization | Free | — |
| Size | 6 MB | 27 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [kotobaz](https://appshunter.io/developer/1634727152) |

## What reviewers say

### Gengou Lib

[App page](https://appshunter.io/ios/app/gengou-lib/id284830543)

Quickly convert between Japanese era names and Christian era years. Features include era and year searching, period and era pickers, and the ability to display the current year in either system. Texts can be shown in Japanese or English.

**Highlights:** Era and year search, Period picker, Era picker, Christian era year picker, Japanese era year picker, Show this year button, Multi-language text display

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

**In-app purchases:** none


### 判別式電卓

[App page](https://appshunter.io/ios/app/large-d/id6502815209)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gengou Lib free?

Gengou Lib is free to download, with no in-app purchases.

### Is 判別式電卓 free?

判別式電卓 costs $0.49, with no in-app purchases.

### Do Gengou Lib or 判別式電卓 have ads?

Gengou Lib shows ads; 判別式電卓 does not.

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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.*