- Last Updated: January 18, 2026
Introduction
This Privacy Policy describes how Stacked ("we", "our", or "the App") collects, uses, and protects your information when you use our mobile application.
Information We Collect
Information You Provide
- Backtest Configurations: Investment settings you create (amount, frequency, date ranges)
- Backtest History: Results of your backtests stored locally on your device
Automatically Collected Information
- Device Information: Device model, operating system version for app compatibility
- App Usage Data: Anonymous usage statistics to improve app performance
Third-Party Services
Google AdMob
For users on the free plan, we display advertisements through Google AdMob. Google may collect:
- Device advertising identifier
- IP address
- General location (country/region level)
For more information, see Google's Privacy Policy.
Apple StoreKit
For subscription management, we use Apple's StoreKit framework. Apple handles all payment processing. We do not have access to your payment information.
How We Use Your Information