For problems, classroom feedback, or a launch notice, email jccqsd@126.com. Please include the app name, version, OS version and a screenshot of the issue; we will reply as soon as we can.
No. The core features run entirely on your device; you can demonstrate, plan lessons and edit decks offline.
No. There is no account system and no advertising, analytics or tracking SDK. Lesson decks, snapshots, annotations and preferences stay on your device. See the privacy policy.
Yes. They are separate apps and are sold separately; lesson decks and snapshots can move between devices on the same platform where the system allows.
Purchases are managed by your Apple ID. Sign in to the App Store with the same Apple ID on the new device and download the app you already purchased. There is no separate activation code or account inside the app.
The iPad edition is designed as a classroom control surface: mirror the screen with AirPlay or the classroom display, operate on the iPad, and students see the same picture; Apple Pencil annotations are supported.
The interface supports Chinese and English and can be switched in the app; canvas text and panel copy update together.
Purchases, refunds and invoices are handled by Apple. To request a refund, use Apple's "Report a Problem" page; we cannot operate App Store orders directly.
Email: jccqsd@126.com