Need a second
pair of eyes?

Give us the useful details.

Include your app version, Android version, device model and a short description of the steps that led to the issue. If there was an error message, include its text. Avoid sending unnecessary personal information.

Screenshots can help, but crop or obscure email addresses, account details and anything private first. Never send passwords, verification codes, sign-in tokens or full payment details.

A purchase or membership issue?

Check that Google Play is using the same account that made the purchase. Try the app’s purchase restore option where available. If access is still missing, email us with the product name, approximate purchase date and what the app shows. We can ask for the relevant order reference if needed.

For renewal and cancellation, use Google Play subscriptions. Deleting your Mendax account does not cancel a subscription. Refunds follow Google Play’s applicable process and your legal rights.

Purchase availability can depend on your account and region. See Pricing & purchases; this website does not guarantee checkout access.

Account or privacy request?

Use the account deletion instructions to request removal of your account and associated data, even if you cannot open the app. For other privacy questions or data requests, read the privacy policy and email us with the subject “Mendax privacy request.”

If you have lost access, tell us which sign-in method you used. We may need to verify ownership before changing account information or deleting data.

Stuck on the reasoning?

Compare a suspect’s answer with the clues you have, then ask about one specific inconsistency. Review how to play for the investigation flow. AI-generated dialogue can be inaccurate; the case evidence matters more than a confident answer.

If a response seems inappropriate or the case cannot progress, send the case name and a brief description. Do not include sensitive personal information in game questions or your report.