cSync: Sync Google Contacts,..

**cSync - Making Contact Management Easier**

Have you ever encountered these problems?
- iOS native contacts don't support partial phone number matching
- Too many contacts, difficult to find people
- Contact data cannot be easily backed up and migrated
- Too many duplicate contacts need cleanup
- Want to analyze contact data statistics

cSync is built to solve these problems!

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**Powerful Search Features**

- **Full-field search**: Search not only names, but also phones, emails, companies, positions, notes, addresses, and all other fields
- **Pinyin search**: Quickly find contacts by entering pinyin initials or full pinyin
- **Phone partial matching**: Match any consecutive digits in phone numbers - no need to remember the complete number
- **Smart sorting**: Search results intelligently ranked by relevance, most relevant results first
- **Highlight display**: Search results automatically highlight matched fields and text for easy viewing

**Search Examples:**
- Enter "138" to find all phone numbers containing these three consecutive digits
- Enter "js" to find all contacts whose name pinyin initials are JS (e.g., John Smith)
- Enter "apple" to find contacts with apple in their company name or email

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**Comprehensive Backup Features**

- **Multi-format support**: Export to vCard, CSV, and Excel formats
- **One-tap backup**: Backup all contacts with one tap, ensuring data safety
- **Backup management**: View all historical backups, restore to any version anytime
- **Incremental backup**: Intelligently identify changes, only backup modified contacts
- **iCloud sync**: Backups automatically uploaded to iCloud Drive, sync across devices
- **Backup encryption**: Password protection support for data privacy security
- **Quick sharing**: Share backup files via AirDrop, Email, Messages, and more

**Backup Scenarios:**

- Backup contacts before getting a new phone, import on new device
- Regular backups to prevent data loss
- Export to Excel for editing and management on computer
- Share with family and friends for batch contact import

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**Smart Cleanup Features**

- **Duplicate detection**: Intelligent algorithms detect duplicate and similar contacts
- **Multiple matching modes**:
- Exact match: Same name and phone number
- Smart match: Similar names, same pinyin, overlapping phone numbers
- **Compare preview**: Side-by-side comparison of duplicate contacts, clearly see differences
- **Smart merge**: Automatically merge duplicate contacts, retaining all non-empty fields
- **Batch cleanup**: Clean all duplicate contacts with one tap

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**Data Statistics & Analytics**

- **Contact overview**: Total count, growth trends, distribution
- **Field statistics**: Number of phones, emails, company info completeness
- **Visual charts**: Pie charts, bar charts, line charts to display data
- **Group analysis**: Analyze by initial letter, company, tags, and other dimensions

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**Other Featured Functions**

- **Batch operations**: Batch delete, export, and edit
- **Quick actions**: Tap phone to call directly, tap email to send mail
- **Alphabetical index**: Side letter navigation for quick contact location
- **Elegant interface**: Modern design, smooth animations, simple operation
- **Privacy protection**: All data stored locally only, never uploaded to servers

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**Privacy Commitment**

- All contact data is stored only on your local device
- Never uploaded to any servers or third parties
- iCloud backups are encrypted and protected by Apple
- No personal information collected
- Works completely offline, no network connection required

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Privacy Policy: https://csync.vercel.app/privacy-policy.html
Terms of Use: https://csync.vercel.app/terms-of-use.html

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**Download cSync and make contact management easier!**