Effective July 23, 2026
Backsolve is a compound-interest and savings-goal calculator for iOS. This policy explains what data is collected when you use the app, and why.
Nothing. Backsolve has no user accounts and no server backend of its own. Every number you enter — starting balance, contribution amount, target, interest rate, years — is used only to run a calculation on your device. None of it is transmitted anywhere, stored remotely, or seen by us.
Backsolve is supported by ads served through Google AdMob. To serve and measure ads, AdMob may collect:
This data is collected and processed by Google, not by us. See Google's Privacy Policy and how AdMob uses data for details.
On first use, iOS may prompt you to allow or deny tracking (Apple's App Tracking Transparency framework). This choice controls whether your device's advertising identifier can be used to personalize ads across other apps and websites. You can change this at any time in Settings → Privacy & Security → Tracking.
If you're located in the European Economic Area or the United Kingdom, Backsolve uses Google's User Messaging Platform (UMP) to ask for your consent before showing personalized ads, as required by GDPR and UK data protection law. You can review or change this choice at any time from the app's Privacy & Legal menu.
Backsolve is not directed at children under 13, and we do not knowingly collect personal information from children.
If this policy changes, the effective date at the top of this page will be updated.
Questions about this policy? Email rjflj321@gmail.com.