Effective Date: November 6, 2025 Last Updated: November 6, 2025
This Privacy Policy applies to all mobile applications developed and published by us (collectively referred to as the “Apps,” “we,” “us,” or “our”). This includes but is not limited to Chai and any future apps under our brand. We are committed to protecting your privacy and ensuring transparency in how we handle your personal information when you use any of our Apps.
By downloading, installing, or using any of our Apps, you agree to the practices described in this Privacy Policy. If you do not agree, please do not use our Apps.
We may update this policy periodically. Changes will be posted in-app and on our website with an updated effective date. Your continued use of the Apps after changes means you accept the revised policy.
For questions, contact us at evolvetech8@gmail.com
1. Information We Collect
We collect only the data necessary to provide, improve, and secure our Apps.
Information You Provide
- Account Data: Email, name, or sign-in credentials (via Apple, Google, or email) if you create an account.
- User Content: Data you input, such as expenses, budgets, goals, categories, notes, or preferences.
- Support Requests: Messages or feedback sent through in-app support.
Information Collected Automatically
- Device & Usage Data: Device model, OS version, unique device ID, IP address, app version, crash logs, and interaction patterns (e.g., taps, screen views).
- Analytics Data: Aggregated usage trends to improve performance and UX.
- Advertising Data: If ads are enabled, anonymized identifiers (e.g., Advertising ID on iOS/Android) for ad delivery and frequency capping.
Location Data
- Approximate location (city-level via IP) for currency formatting or regional features.
- Precise location is never collected unless you explicitly enable it for a specific feature (e.g., travel expense tagging), and only with your consent.
We do not collect:
- Bank details
- Passwords
- Health or biometric data
- Precise GPS tracking
2. How We Use Your Information
We use your data to:
- Deliver core app features (e.g., expense tracking, visualizations, goal automation)
- Send notifications (e.g., budget alerts, monthly summaries)
- Improve app stability and design
- Display non-intrusive ads (if enabled)
- Comply with legal obligations
- Prevent fraud or abuse
We do not sell your personal data.
3. How We Share Your Information
We share data only when required and under strict controls:
| With Whom | Purpose | Data Shared |
|---|---|---|
| Cloud & Analytics Providers | Sync, backup, performance | Encrypted user content, anonymized analytics |
| Ad Partners (e.g., Google AdMob) | Serve ads | Anonymous ad ID, device type, app usage (no personal identifiers) |
| Legal Authorities | Compliance | Only if required by law |
| Successors | Merger/acquisition | Full dataset (with notice) |
All third parties are bound by contracts to protect your data.
4. Data Security
We implement industry-standard security measures:
- Encryption in Transit: HTTPS/TLS for all network communication
- Encryption at Rest: Device-level encryption using iOS/Android APIs
- Access Controls: Limited internal access with audit logs
- Regular Audits: Security reviews and penetration testing
No method is 100% secure. If a breach occurs, we will notify you as required by law.
5. Your Rights and Choices
You have full control over your data:
| Right | How to Exercise |
|---|---|
| Access | View/export data in-app (Settings > Data Export) |
| Correct | Edit expenses, goals, or profile |
| Delete | Delete account (erases all data) |
| Opt-Out | Disable ads, analytics, or notifications in Settings |
| Withdraw Consent | Turn off cloud sync or location |
Requests: Email evolvetech8@gmail.com — we respond within 30 days.
Ad Tracking Controls:
- iOS: Settings > Privacy & Security > Apple Advertising > Limit Ad Tracking
- Android: Settings > Google > Ads > Opt out of Ads Personalization
6. Data Retention
- Active Use: Data kept as long as your account exists.
- Deleted Accounts: Data permanently erased within 30 days.
- Backups: Retained up to 90 days for recovery, then deleted.
7. Children’s Privacy
Our Apps are not intended for children under 13 (or 16 in some regions). We do not knowingly collect data from children. If discovered, we delete it immediately.
Parents: Contact us to request removal.
8. International Data Transfers
Your data may be processed in Vietnam, the United United States, or EU via trusted providers (e.g., Google, Apple). We ensure equivalent protection through legal agreements.
9. Third-Party Services
Our Apps may integrate with:
- Google AdMob
- Apple iCloud / Google Drive
- Analytics tools
We are not responsible for their privacy practices. Review their policies separately.
10. Changes to This Policy
We’ll notify you of material changes via:
- In-app banner
- Email (if provided)
- Website post
Continued use = acceptance.
11. Contact Us
Email: evolvetech8@gmail.com
Address: 151/2B1, LAC LONG QUAN, WARD MINH PHUNG, HO CHI MINH CITY
Governed by Vietnamese law. Disputes resolved in Hanoi courts.