Gengou Free vs bookBeo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gengou Free
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 Free" 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.
bookBeo
This app bridges the gap between print and digital content by reading QR codes and specialized BeoCodes. Access exclusive offers, interact with creators, and share multimedia content with friends. Download videos for offline viewing.
- QR code and BeoCode scanning
- Access exclusive offers and content
- Interact with creators and brands
- Share content via social media and email
- Download videos for offline viewing
- Archive scanned content
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Thanks to BookBeo, multimedia is now onto all printed supports. This bridge between the real and the virtual give you access and possibility to share with your friends exclusive offers and contents, interact with bands, artists, companies and newspapers who adopted this band new media. The BookBeo application is dedicated to 2D code reading (QR code and Datamatrix) and especially BeoCodes (video 2D codes). It allows You to archive BeoCodes content (pictures, videos, forms) and display them for other mobiles and/or readers. You can share content on Facebook, Twitter and mail and You can download video contents to watch them offline. BookBeo is a french startup specialized in communication and new technologies through the development of mobile application. Don't hesitate to make feedback and suggestions, we will take them in consideration to improve and add more functionality in the application.
Screenshots
Verdict
The clearest difference is rating: bookBeo at 3.0 against Gengou Free's 2.5. bookBeo also leads on ads (none vs shown) and update cadence (every 6 months vs every 44 months). Gengou Free's advantage is review sentiment (84% vs 74%). On price, ratings volume, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
bookBeo holds the better App Store score, 3.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews complicate that: 84% of Gengou Free's written reviews are positive against 74% of bookBeo's, so the app with the better star average is not the one people write more warmly about.
Gengou Free ships an update every 44 months, bookBeo every 6 months. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | Gengou Free | bookBeo |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) | 3.0 (2 ratings) — better |
| Positive reviews | 84.5% of reviews — better | 74.1% of reviews |
| Number of ratings | 2 | 2 |
| Update frequency | Every 44 months | Every 6 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Masayuki Akamatsu | BookBeo |
Customer experience
Gengou Free
bookBeo
In-app purchases
Gengou Free
No in-app purchases
bookBeo
No in-app purchases
Questions
Is Gengou Free free?
Is bookBeo free?
Which has better reviews, Gengou Free or bookBeo?
Do Gengou Free or bookBeo have ads?
Which is updated more often, Gengou Free or bookBeo?
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