Support & PrivacyThis page provides support and privacy information for the following apps:• HiFi Setup
• RiffWizard
• RetireSure---HiFi SetupHiFi Setup helps optimize speaker and subwoofer placement using acoustic measurements and room analysis tools.---RiffWizardRiffWizard is a guitar songwriting and music theory tool. Tune, detect keys, build chord charts, and explore song structure.---RetireSureRetireSure is a Monte Carlo retirement simulator built using 75 years of historical U.S. market data (1950–2025).The app allows you to:* Run 10,000 simulations
* Test retirement timing
* Adjust spending levels
* Model Social Security timing
* Stress-test allocation decisionsRetireSure is an educational modeling tool and does not provide financial advice.---SupportFor questions, feedback, or technical issues related to any app, please contact:[email protected]When emailing, please include:* App name
* Device (iPhone, iPad, or Mac)
* App version
* Description of the issue---Privacy PolicyLast updated: March 2026None of the apps collect, store, transmit, or share personal data.Data StorageAll data generated within the apps (measurements, simulations, settings, photos, audio recordings, etc.) remains stored locally on your device only. No user data is sent to external servers.PermissionsDepending on the app, the following permissions may be requested:* Microphone (HiFi Setup acoustic measurement)
* Camera or Photo Library (saving setup photos)These permissions are used solely on-device and never for tracking.In-App PurchasesAll payments are processed securely through Apple. We do not receive or store payment information.Third-Party ServicesThe apps do not collect, transmit, or share personal data.Children’s PrivacyThe apps are not directed at children under 13.