Vertex - Merge Contacts

Looking for a fast, private duplicate-contact cleaner? Vertex finds and merges duplicate contacts, cleans up your address book, and does it all without an account or cloud sync. With on-device AI, Vertex catches duplicates that basic "exact match" cleaners miss — similar names, nicknames, and shared organizations — not just identical phone numbers. ━━━ KEY FEATURES ━━━ 🔍 Smart Duplicate Finder • Detect exact duplicates by phone number, email, or name • Catch fuzzy duplicates too (e.g. "Jon" vs. "John", "Bob" vs. "Robert") • Spot contacts missing a phone number, name, or email ⚡ Smart Merge & Preview • Review every duplicate side-by-side before merging • Smart Merge combines the best details automatically; Manual Merge lets you pick field-by-field • Preserve custom labels, phone types, and addresses 🛡️ 1-Tap Undo & Backups • Every merge is backed up automatically • Undo any merge, anytime, from Backup & History • Export your contacts as VCF or CSV whenever you like 📊 Contact Health Score • A 0–100 completeness score for your whole address book • Smart suggestions for exactly which contacts need a phone number or email added 🕸️ Relationship Graph • Visualize how your contacts connect — by organization, family name, phone, or email domain 🔒 Private By Design • Duplicate detection and merging run 100% on your device • No account, no sign-in, no cloud sync of your contacts — ever Vertex is free to use and supported by ads. See our Privacy Policy for exactly what that involves — your contacts themselves are never part of it. Clean up your phonebook today — download Vertex and take back control of your contact list.