For a problem with the app write to help@mastook.com. For partnerships, press and everything else write to contact@mastook.com. We usually reply within 1 business day.
What helps when you write
- The product link, if the problem is with a product,
- Your account's e-mail address,
- Your phone model and a screenshot if you have one.
Subscriptions and payments
Payments are taken through the App Store and Google Play. See Refunds for how to cancel and request a refund.