Last updated: April 2026
MAXX APP DEVELOPER LIMITED ("we", "our", or "us") operates the MAXX20 HIIT mobile application (the "App") and website (https://maxxappdeveloper.com).
This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our App.
1. Information We Collect
Information You Provide
- Workout data (e.g. calories burned, workout history)
- Settings and preferences
This data is stored locally on your device unless otherwise stated.
Automatically Collected Information
When you use the App, we and our third-party partners may automatically collect:
- Device information (model, operating system, device type)
- IP address
- Advertising identifiers (e.g. IDFA on iOS)
- App usage data (interactions, session duration)
- Diagnostic and performance data
2. How We Use Your Information
- Provide and maintain the App
- Track workout progress and history
- Improve app performance and user experience
- Deliver and measure advertisements
- Ensure security and prevent fraud
3. Advertising and Third-Party Services
We use third-party advertising services, including Google AdMob, to display ads within the App.
These services may automatically collect and process data such as:
- Advertising identifiers (e.g. Apple’s Identifier for Advertisers)
- IP address
- Device and usage information
- Ad interaction data (e.g. impressions and clicks)
This data is used to deliver advertisements, personalise ads where permitted, measure performance, and improve advertising services.
4. Personalised Advertising
Depending on your location, you may be presented with a consent request regarding personalised advertising.
- If you consent, ads may be tailored based on your interests and behaviour
- If you do not consent, you will receive non-personalised ads
5. App Tracking Transparency (iOS)
On iOS devices, we may request permission to track your activity across apps and websites using Apple’s App Tracking Transparency framework.
- If permission is granted, we may access your device’s advertising identifier (IDFA)
- If permission is denied, only non-personalised ads will be shown
6. Legal Basis for Processing (UK & EEA)
- Your consent (for personalised advertising and tracking)
- Our legitimate interests (to operate and improve the App)
7. Data Storage and Security
- Workout data is primarily stored locally on your device
- We implement reasonable security measures
- No system is completely secure
8. Data Sharing
We do not sell your personal data.
We may share data with:
- Advertising partners (e.g. Google AdMob)
- Service providers supporting the App
- Authorities where required by law
9. Your Privacy Rights (UK & EEA)
- Access your data
- Request deletion
- Restrict or object to processing
- Withdraw consent
10. Children’s Privacy
The App is not intended for children under 13. We do not knowingly collect personal data from children.
11. Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be posted on this page.
12. Contact Us
Email: support@maxxappdeveloper.com
Website: maxxappdeveloper.com
13. App-Ads.txt Compliance
Our authorised sellers file is available at:
maxxappdeveloper.com/app-ads.txt