Snowflower EPUB Validator at Mac App Store analyse

App power index: 100 (based on ranks around App Stores today)
Productivity Utilities Utilities Productivity
Developer: Naohiro Yoshimoto
Price: 0 free
Current version: 3.0.0, last update: 1 year ago
First release : 24 Aug 2017
App size: 0 Bytes
4.0 ( 0 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


The Snowflower EPUB Validator can easily check the problem of EPUB format e-books.

Even if you apply for registration of an e-book created by you to the store, even if you do not pass the review due to the problem of the EPUB file, or if the review goes through, the purchaser’s e-book reader may display problems. The Snowflower EPUB Validator automatically and quickly finds problems that are hard to find by visual inspection and reports it clearly. If you check the EPUB file for problems before registering to the store, It is possible to suppress the occurrence of problems.



* Supports specification of EPUB 2 & 3
* Easy operation of drag & drop of EPUB file is possible
* EPUB problems are reported at three severity levels: fatal, error, and warning.
* Work offline without uploading EPUB files to external server.
* IDPF EpubCheck 5.1.0 built-in


The Snowflower EPUB Validator strictly checks EPUB specifications. Therefore, a major EPUB leader may also detect potential problems with compatibility that will not cause problems.
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Available in countries
Country Price
Canada 39.99 CAD
China 198 CNY
France 34.99 EUR
Germany 34.99 EUR
Italy 34.99 EUR
Netherlands 34.99 EUR
Portugal 34.99 EUR
Spain 34.99 EUR
UK 29.99 GBP
India 2999 INR
Japan 4500 JPY
Korea, Republic Of 44000 KRW
Poland 149.99 PLN
Russia 2490 RUB
Turkey 999.99 TRY
USA 29.99 USD
Korea, Republic Of 27.49 USD
Ukraine 34.99 USD
Available for devices
MacDesktop,