Gengou Lib vs 素因数分解計算機アプリ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gengou Lib
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.
- Era and year search
- Period picker
- Era picker
- Christian era year picker
- Japanese era year picker
- Show this year button
- Multi-language text display
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"Gengou Lib." is a quick reference of the Japanese era system. This application has functions as below. - Era and Year Search - Period picker - Era picker - Christian era year picker - Japanese era year picker - Show this year button - Texts can be shown in Japanese or English independently of the default language setting. - Application badge can show this year number in the Japanese era or the Christian era. The Japanese era system identifies a year by the combination of the era name (Gengou or Nengou) and the year number within the era. For example, A.D. 2001 is Heisei 13. Please note that two Gengou schemes were used in Parallel from 1331 to 1392 during Nanboku-chō period. This application would be very useful if you are working with the governments, municipal offices and/or certain companies in Japan.
素因数分解計算機アプリ
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シンプルな素因数分解専用の計算電卓です。 18桁まで対応しています。 一瞬で答えが出ます！
Screenshots
Verdict
The clearest difference is price: Gengou Lib at Free against 素因数分解計算機アプリ's $0.49. 素因数分解計算機アプリ's advantage is ads (none vs shown) and update cadence (daily vs every 61 months). On in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Gengou Lib is free to download; 素因数分解計算機アプリ costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.
Gengou Lib ships an update every 61 months, 素因数分解計算機アプリ daily. The most recent releases landed on August 13, 2026 and September 23, 2026 respectively.
| Parameter | Gengou Lib | 素因数分解計算機アプリ |
|---|---|---|
| Price | Free — better | $0.49 |
| Rating | 2.5 (2 ratings) — better | — |
| Positive reviews | 84.5% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 61 months | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Masayuki Akamatsu | kotobaz |
In-app purchases
Gengou Lib
No in-app purchases
素因数分解計算機アプリ
No in-app purchases
Questions
Is Gengou Lib free?
Is 素因数分解計算機アプリ free?
Do Gengou Lib or 素因数分解計算機アプリ have ads?
Which is updated more often, Gengou Lib or 素因数分解計算機アプリ?
Other comparisons
