OverPay ("the Service", "we", "us", "our") is operated by MINER TYCOON LIMITED, a company registered in Hong Kong. We provide a mobile application and related backend services that automatically monitor airline ticket prices, detect fare drops after purchase, and file price-difference refund claims with airlines on your behalf.
This Privacy Policy explains what personal information we collect when you use our iOS and Android applications and associated web services, how we use it, and the choices available to you.
ANDROID_ID; on iOS we generate a random UUID stored in the Keychain. This identifier persists across app reinstalls and is used to restore your session and link your data to your account without requiring a password.We do not collect payment card numbers, bank account details, or government-issued identification documents. Subscription payments are processed entirely by Apple App Store or Google Play — we never see your payment credentials.
| Purpose | Data Used |
|---|---|
| Account creation and authentication | Device identifier, Apple user identifier, email address |
| Parsing flight details from forwarded emails | Email subject, body, attachment text |
| Monitoring fare prices for your booked routes | Airline code, origin/destination airports, departure date, confirmation code |
| Filing price-drop refund claims with airlines | Passenger email, flight details, confirmation code, original price |
| Displaying savings history and active trips | Trip records, saved amounts |
| Verifying Pro subscription status | Device/user identifier, RevenueCat entitlement data |
| Service security and fraud prevention | Device identifier, usage logs |
| Complying with legal obligations | Any data required by applicable law |
We do not use your personal information for advertising profiling, behavioral tracking, or sale to data brokers.
Where applicable data protection laws (including the GDPR) require us to identify a legal basis, we rely on the following:
We share your personal information only in the following circumstances:
We do not sell, rent, or trade your personal information to third-party marketers or advertisers.
| Service | Purpose | Data Shared |
|---|---|---|
| RevenueCat | Subscription management & entitlement verification | Device/user ID, purchase receipts |
| Apple (Sign In with Apple) | Identity verification | Apple-issued identity token, user identifier |
| Google (SerpAPI / Google Flights) | Real-time airfare price lookup | Route (origin, destination), departure date |
| Gmail / IMAP | Receiving forwarded booking confirmation emails | Email messages delivered to your unique OverPay inbox alias |
| Apple App Store / Google Play | In-app subscription purchases | Handled entirely by the platform; we receive only entitlement confirmation |
Each third-party service is governed by its own privacy policy. We encourage you to review those policies.
We retain your personal information for as long as your account is active or as necessary to provide the Service. Specifically:
Upon account deletion, we will delete or anonymize your personal data within 30 days, except where retention is required by law.
We implement technical and organizational measures designed to protect your personal information, including:
No system is completely secure. If you believe your account has been compromised, please contact us immediately at the address below.
Depending on your jurisdiction, you may have the following rights regarding your personal information:
To exercise any of these rights, please contact us at support@bitguide.zendesk.com. We will respond within 30 days. You may also lodge a complaint with the data protection authority in your jurisdiction.
The Service is not directed to individuals under the age of 16 (or under 13 in jurisdictions that apply the U.S. COPPA framework). We do not knowingly collect personal information from children. If we learn that we have collected personal information from a child without parental consent, we will promptly delete it. If you believe a child has provided us with personal information, please contact us at support@bitguide.zendesk.com.
MINER TYCOON LIMITED is based in Hong Kong. Your information may be processed and stored on servers located in other countries, including the United States. When we transfer personal data from the European Economic Area (EEA), United Kingdom, or Switzerland to countries that do not have an adequacy decision, we rely on appropriate safeguards such as Standard Contractual Clauses (SCCs) approved by the European Commission.
By using the Service, you acknowledge that your information may be transferred to and processed in countries outside your country of residence.
We may update this Privacy Policy from time to time to reflect changes in our practices, technologies, legal requirements, or other factors. When we make material changes, we will:
Your continued use of the Service after the updated policy is posted constitutes your acceptance of the changes.
If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:
We are committed to resolving privacy complaints promptly and transparently.