How can we help?
Witness is made independently. Most messages get a reply within a day — sometimes hours.
New here? Witness is available on the App Store.
Email us
For subscription questions or anything sensitive, write to cankatsarac@gmail.com.
Manage or cancel Witness Pro
Witness Pro is billed by Apple. To change or cancel it, open your App Store subscriptions (on iPhone: Settings → your name → Subscriptions). Refunds for App Store purchases are requested from Apple at reportaproblem.apple.com. After reinstalling Witness or moving to a new phone, tap “restore purchase” in the app to bring Pro back.
Privacy & data
To request a data export or full deletion, write to cankatsarac@gmail.com. We aim to respond within 7 days.
Bugs & crashes
If something feels broken, please send a brief description (and a screenshot if you have one) to cankatsarac@gmail.com.
Press & partnerships
For interview, partnership, or press kit requests, write to cankatsarac@gmail.com.