cSync: Sync Google Contacts,..

cSync is an intelligent contact management app designed for iOS, perfectly solving pain points like inconvenient search, difficult backups, and duplicate cleanup.

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!

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

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

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

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

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

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

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

Download cSync and make contact management easier!