Data Transparency & Privacy Architecture
DexCalc Data & Privacy Overview
Plain-English breakdown of on-device storage, analytics streams, and privacy safeguards.
App Data Flow Architecture
Device Architecture
User Smartphone Sandbox Isolation
1
Local Room Database
Calculation history, custom inputs, theme preferences & saved scenarios.
🔒 100% On-Device Storage
2
Firebase Analytics
Anonymous screen views, active features, session duration & device type.
📊 Anonymous Telemetry
3
Firebase Crashlytics
Stack traces, memory states, OS build numbers & error diagnostics.
🛠 Bug Diagnosis
4
Google AdMob
Ad impressions, reset-able Advertising ID & non-sensitive ad context.
📢 App Monetization
What Stays on Your Device
- Calculation History: All past inputs, loan amounts, and salary figures stored in Room SQLite.
- Custom Preferences: Chosen currency symbol, light/dark mode, and default compounding settings.
- Saved Scenarios: Custom business price models and favorite calculation bookmarks.
What Dex Labs Never Collects
- ✕Bank Credentials: No account numbers, bank passwords, or login tokens.
- ✕Payment Cards: No credit/debit card details or payment processing records.
- ✕Personal Tax Filings: No Social Security Numbers, tax return documents, or IRS filings.
Your Privacy Choices on Android
1. Clear App Data
Wipe all local calculations instantly via Android App Settings.
2. Opt-Out of Ad Tracking
Disable personalized ads via Android Settings > Google > Ads.