ゆかちンち is the official app of Yuka Iguchi, offering a plethora of exclusive content including blogs, videos, and behind-the-scenes shots, alongside the latest updates. The app features premium membership options at 500 yen per month or 5,500 yen per year, providing access to member-exclusive content like blogs and videos.

Users can expect automatic renewal for premium memberships on a monthly or yearly basis, with the option to cancel at least 24 hours before the end of the current period. Payment is charged to the iTunes account upon subscription, and cancellation or modification of premium membership can be managed through the App Store app or iTunes.

For inquiries, users can contact The app also provides links to the privacy policy, terms of use, premium service terms, and legal information as per the Specific Commercial Transactions Law.