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Contact us

Questions about an invoice, a payment or your subscription? We're real people and we answer every message, usually within one business day.

Help and feedback

Using the app, payments and payouts, your plan, or an idea for BillSend.

mike@sentineltechsolutions.io

Privacy and data

A copy of your data, corrections, or deleting your account.

mike@sentineltechsolutions.io

Send a message

This opens your email app with your message ready to send to mike@sentineltechsolutions.io. Nothing is sent or stored until you press send there.

Before you write

  • Answers to common questions are in the FAQ.
  • To cancel or change your plan, open iOS Settings, tap your name, then Subscriptions. Refunds for App Store purchases are handled by Apple at reportaproblem.apple.com.
  • Paying an invoice and have a question about it? Contact the business that sent it; they can see and change it.
  • Read our Privacy Policy and Terms of Service.