iOS version support

iOS App Support

Find clear information about purchases, downloads, offline reading, and reporting an issue with the iOS version.

The iOS edition is not yet released

The guidance below explains download, refund, and content support after release.

Support channel
Email support

iOS version at a glance

  • One-time purchase per bookBuying Vehicle Friends unlocks only this complete book. Future picture books are sold separately, with no subscription required.
  • No sign-in and no adsThere is no Jiseikou Studio account to create or sign in to, and the experience contains no advertising.
  • Offline readingAfter download, the content can be read offline. Redownloading still uses Apple services.
  • Apple handles transactionsApple handles purchases, redownloads, and refunds under its applicable policies.

Help

Choose the help you need

Apple manages downloads and refunds. Contact Jiseikou Studio for questions about the content or how it works.

Download or redownload

If you have already purchased the iOS version but cannot download it, confirm that you are using the same Apple Account and follow Apple’s redownload instructions.

View Apple redownload instructions

Request a refund

Apple reviews and processes App Store payments and refund requests. Jiseikou Studio cannot approve or issue a refund on Apple’s behalf.

View Apple refund instructions

Content and technical support

Email us if you experience a problem with the display, sound, interactions, or offline reading.

Send Email

When reporting an issue, please include

  • Device model
  • iOS version
  • App version, if shown
  • Steps to reproduce the issue and a screenshot