Your privacy is our highest priority. Mavren (the "App") is built on a "100% On-Device" philosophy. This means:
By using the App, you agree to this Privacy Policy.
We do NOT create user accounts or collect your financial data on our servers. The following is stored exclusively on your iPhone/iPad:
| Data Type | Description | Storage Location | Our Access |
|---|---|---|---|
| Financial Transactions | Income, expenses, amounts, dates | Your device ONLY | ZERO |
| Receipt Images | Photos you take | Your device ONLY | ZERO |
| Budget Data | Monthly/weekly budgets per category | Your device ONLY | ZERO |
| Savings Goals | Your target savings percentage | Your device ONLY | ZERO |
| Subscription Data | Tracked recurring payments | Your device ONLY | ZERO |
| Group Expenses | Shared bills & split calculations | Your device + CloudKit* | ZERO |
| 11 Income Sources | Salary, freelance, side hustles, etc. | Your device ONLY | ZERO |
| Custom Categories | Your expense categories | Your device ONLY | ZERO |
| AI Persona Analysis | "Neuro-Engine" spending patterns | Your device ONLY | ZERO |
*CloudKit: Only for optional group sharing. Data goes directly between your device and Apple's CloudKit—we never see it.
To improve app stability and fix bugs, we collect:
| Service | Data Collected | Purpose | Privacy Protection |
|---|---|---|---|
| Firebase Crashlytics | Device model, iOS version, crash logs | Bug fixes | NO financial data, NO personal info |
| Firebase Analytics | Screen views, button taps (e.g., "Dashboard viewed") | UX improvements | Completely anonymous |
Data Sanitization Process:
NO actual financial data (amounts, merchant names, account numbers) ever leaves your device.
| Data Type | Status |
|---|---|
| Bank account credentials | ❌ NOT collected |
| Credit card numbers | ❌ NOT collected |
| Social Security Numbers | ❌ NOT collected |
| Exact transaction amounts | ❌ NOT collected |
| Merchant names (real) | ❌ NOT collected |
| SMS messages | ❌ NO access |
| Contacts | ❌ NO access |
| Location data | ❌ NOT collected |
| Biometric data (Face ID/Touch ID) | ❌ NOT stored by us (handled by Apple) |
isExcludedFromBackup = true)| Purpose | Details |
|---|---|
| Provide Core Features | Income/expense tracking, budgets, receipt scanning, subscription monitoring |
| On-Device AI Processing | Receipt OCR, category suggestions, persona analysis—ALL done locally |
| Improve the App | Anonymous analytics to understand which features are used |
| Fix Bugs | Crash reports (device model & OS version ONLY) |
We do NOT:
| Service | Usage | Their Privacy Policy | Our Liability |
|---|---|---|---|
| Google Firebase | Crash reporting & anonymous analytics | Link | ZERO (see Terms) |
| Apple CloudKit | Optional group sharing ONLY | Link | ZERO (see Terms) |
| Currency Exchange APIs | Real-time exchange rates (if online) | Varies by provider | ZERO (rates are approximate) |
We have NO control over these third-party privacy policies.
⚠️ Security Warning:
NO method of electronic storage is 100% secure. While we implement industry best practices, you are responsible for your device's security. If your device is lost, stolen, or hacked, we CANNOT recover or protect your data.
Since your data is NOT on our servers:
| Right | How to Exercise |
|---|---|
| Access Your Data | View directly in the App |
| Edit Your Data | Edit directly in the App |
| Export Your Data | Settings → Data Control → Export CSV/PDF |
| Delete Your Data | Settings → Delete All Data (or delete the App) |
| Opt-Out of Analytics | Settings → Privacy → Disable "Share Crash Reports" |
This App is NOT intended for children under 13 years old (or 16 in Europe). We do not knowingly collect personal information from children.
If we learn we have collected data from a child under the minimum age, we will delete it immediately.
If you are a California resident, you have specific rights under the California Consumer Privacy Act (Cal. Civ. Code § 1798.100 et seq.):
| Category | Collected? | Sold? | Shared? | Business Purpose |
|---|---|---|---|---|
| Identifiers (anonymous device ID) | Yes | No | Yes (Firebase) | App improvement & crash fixing |
| Internet Activity (analytics) | Yes | No | Yes (Firebase) | App improvement |
| Financial Data (transactions, budgets) | Yes (device only) | No | No | Core service — WE HAVE NO ACCESS |
| Geolocation | No | No | No | N/A |
| Sensitive Personal Info | No | No | No | N/A |
We will respond to verifiable consumer requests within 45 days as required by law.
We do not sell your personal information. We do not share your personal information for cross-context behavioral advertising. Since your financial data is stored exclusively on your device, we do not even have access to it.
Firebase Analytics and Crashlytics operate as service providers (not a "sale" or "share" under CCPA), processing only anonymous technical data.
TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, INCLUDING CALIFORNIA LAW:
THIS PRIVACY POLICY AND ALL RELATED DATA PROCESSING SERVICES ARE PROVIDED "AS IS" AND "AS AVAILABLE." WE MAKE NO REPRESENTATIONS OR WARRANTIES REGARDING THE COMPLETENESS, ACCURACY, OR SECURITY OF OUR DATA PROCESSING PRACTICES.
THE APP IS NOT A FINANCIAL ADVISOR, TAX PREPARER, OR LEGAL COUNSEL. ALL DATA, CALCULATIONS, AND AI-GENERATED INSIGHTS ARE FOR INFORMATIONAL PURPOSES ONLY.
IN NO EVENT SHALL WE BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES ARISING FROM DATA LOSS, INACCURATE CALCULATIONS, HEALTH OR FINANCIAL DECISIONS BASED ON APP DATA, THIRD-PARTY SERVICE ACTIONS, OR UNAUTHORIZED ACCESS TO YOUR DEVICE.
OUR TOTAL AGGREGATE LIABILITY SHALL NOT EXCEED THE GREATER OF: (A) $100.00 USD; OR (B) THE AMOUNTS PAID BY YOU IN THE 12 MONTHS PRECEDING THE EVENT.
THE FOREGOING LIMITATIONS SHALL NOT APPLY TO LIABILITY ARISING FROM OUR GROSS NEGLIGENCE, WILLFUL MISCONDUCT, OR FRAUD, TO THE EXTENT SUCH LIMITATION IS PROHIBITED BY CAL. CIV. CODE § 1668.
NOTHING HEREIN SHALL BE CONSTRUED TO WAIVE YOUR RIGHTS UNDER THE CALIFORNIA CONSUMER LEGAL REMEDIES ACT (CAL. CIV. CODE § 1750 ET SEQ.).
We may update this Privacy Policy. Changes will be reflected by updating the "Last Updated" date at the top.
Major changes will be communicated via:
Continued use of the App after changes = acceptance of new policy.
For questions, concerns, or requests regarding this Privacy Policy:
📧 Email: support@synthesislogic.com
📧 Support: support@synthesislogic.com
🌐 Website: https://synthesislogic.com
Response Time: We aim to respond within 48 hours.
| Traditional Finance Apps | Mavren |
|---|---|
| Store data on servers | ✅ Everything on YOUR device |
| Require bank login | ✅ NO bank login needed |
| Sell data to advertisers | ✅ We don't even have your data to sell |
| Track your location | ✅ NO location tracking |
| Require internet | ✅ Works 100% offline |
| Cloud backups (risky) | ✅ Excluded from cloud backups |
Your financial data is YOURS. It stays on your device. We can't see it, sell it, or lose it. Period.
End of Privacy Policy
Last Updated: February 7, 2026
This Privacy Policy is governed by the laws of the State of California, United States of America.