About the App
RTP Calculator is the essential tool for any sports bettor who wants to understand the real value behind the odds. For every bet, it instantly reveals the Return To Player (RTP) rate — the theoretical percentage of stakes returned to players — so you know exactly how much an offer really gives back.
How it works
- Create a bet analysis and enter the odds for each possible outcome.
- Enter odds as displayed by your bookmaker (decimal, fractional or American) and convert them to your preferred format in one tap.
- The app instantly calculates the Return To Player (RTP) rate and the bookmaker's margin.
- A color indicator (red to green) lets you read the quality of the odds at a glance.
- Save your analyses, edit or duplicate them anytime, and share them as an image.
Key features
- Instant calculation of the Return To Player (RTP) rate.
- Support for any number of outcomes per event.
- Decimal, fractional and American odds formats, with automatic conversion.
- Note the bookmaker for each outcome to compare offers across operators.
- Save, edit and duplicate your bet analyses.
- Share an analysis as an image in one tap.
- 100% offline — your data stays on your device. No account, no sign-up.
Who is it for?
- Sports bettors looking to evaluate the expected value of their sports bets.
- Sports bettors looking to compare odds from different bookmakers on the same event.
Contact
For any question regarding the app, feel free to reach out: contact@rtpcalculator.com
Privacy Policy
Last updated: June 3, 2026
1. Overview
RTP Calculator is an Android application developed and published by RTP (SIREN 103980686).
This privacy policy describes what information is collected when you use the RTP Calculator app, how it is used, and what rights you have.
For any questions regarding this policy, please contact us at: contact@rtpcalculator.com
2. Data Collected by the App
Data you enter directly: RTP Calculator allows you to save your betting analyses locally on your device. This includes event names, event dates and times, bet outcomes, odds, bet types, bookmaker names, calculated RTP rates and margins that you choose to store in the app's history.
This data is stored exclusively on your device and is never transmitted to any external server. It remains entirely under your control and can be deleted at any time by clearing the app's data or uninstalling the application.
Data we do not collect: The app does not require account creation or login. It does not access any personal information stored on your device such as contacts, location, camera, or files.
3. Advertising — Google AdMob
RTP Calculator displays advertisements provided by Google AdMob, an advertising service operated by Google LLC.
As part of this service, Google AdMob may collect and use certain data to personalise the ads displayed, including:
- Advertising identifiers from your device (Android Advertising ID)
- Data related to your use of the application
- Device information (model, operating system)
- Approximate location data (based on IP address)
This data is collected and processed by Google LLC in accordance with its own privacy policy, available at policies.google.com/privacy.
Google AdMob may share this data with third-party advertising partners for the purpose of ad delivery and measurement.
4. GDPR Compliance
In accordance with the General Data Protection Regulation (GDPR), you have the following rights regarding your personal data:
- Right of access
- Right of rectification
- Right to erasure
- Right to object to processing
- Right to restriction of processing
To exercise these rights, particularly regarding data collected by Google AdMob, you may visit Google's ad settings at adssettings.google.com.
You may also contact us directly at: contact@rtpcalculator.com
5. Adults Only
RTP Calculator is strictly intended for users who have reached the legal age of majority in their country of residence. Users must also comply with the legal age requirements for sports betting applicable in their jurisdiction. The app is not directed at minors in any way and must not be used by anyone below the applicable legal age.
6. Changes to This Privacy Policy
We reserve the right to update this privacy policy at any time. In the event of a significant change, the "last updated" date at the top of this section will be revised. We encourage you to check this page periodically.
7. Contact
Data Deletion
Procedure to delete your data related to RTP Calculator.
1. Data stored locally on your device
RTP Calculator saves your betting analyses (event names, event dates and times, bet outcomes, odds, bet types, bookmaker names, RTP rates and margins) exclusively on your device. This data is never transmitted to any server.
To delete this data, you can:
- Go to your phone's
Settings → Apps → RTP Calculator → Storage → Clear Data - Or simply uninstall the application.
2. Advertising data collected by Google AdMob
RTP Calculator displays ads provided by Google AdMob, which may collect advertising identifiers, device information and approximate location data.
To delete or reset this data, visit adssettings.google.com.
3. Request data deletion by email
For any additional data deletion request, contact us at:
We will process your request within 30 days.