boxticker is made by one person. Write below and it reaches me — no ticket queue, no bot. Most of the common questions are answered here first.
Everything is stored on the device and nowhere else, so there's no account to sign into and nothing to restore from us. An encrypted iPhone backup carries boxticker's data across to a new phone; a fresh install starts empty.
Reminders are scheduled locally, so they need notification permission: iOS Settings → Notifications → boxticker. Check the habit's schedule has reminders switched on, and note that habits sharing a time slot arrive as one notification rather than several.
No. boxticker is free, with no subscription, no upsells and no premium tier.
It stays on your phone. The privacy page is the full story, including the anonymous crash diagnostics that are the only thing that leaves the device.
An email address is optional, but without one there's no way to reply.