Great app
Truly amazing finding the duplicate contacts
No
Did not work
Good cleaning
A very good choice
Good app easy
Like the app simple and efficient
Difficult to use.
Not intuitive. I was unable to do the job I was expecting

This app automatically finds and merges duplicate contacts in your address book. It offers customizable matching levels and provides detailed reports. The app also suggests contact updates using AI and can capture new contacts from email signatures.
Summarized from real user reviews of Cleanup Duplicate Contacts!. Based on 8.5K reviews and a 4.4/5 average, it highlights the 18 positives and 6 negatives reviewers mention most about this Productivity app.
7.2.12
May 19, 2026
- Minor bug fixes.
3 issues
Crashes during merging process
Inconsistent behavior when re-merging contacts
3 requests
Option to move contacts between groups
Ability to select all backup contacts for deletion
This app automatically scans your address book to find and merge duplicate contacts. It can also suggest updates to existing contact information and capture new contacts from email signatures, helping you maintain a clean and organized contact list.
The app allows you to configure the merge level, from exact matches to partial matches. After scanning, it presents you with a preview of duplicates and lets you choose which ones to merge or remove. It can automatically merge matching contact details under a single contact.
Yes, the app is currently completely free for a limited period. Previously, it was a paid app, but it is now available at no cost. You can analyze your address book and preview duplicates for free.
The description mentions saving and exporting contacts from an iPhone as a .CSV file, and managing multiple sources like Gmail and iCloud. This suggests it is primarily designed for iOS devices.
Yes, the app features 'Email Signature Capture' which allows you to connect your mailbox (Outlook and Gmail business accounts) to discover and save new contacts and contact updates directly from your email exchanges.