# Remove duplicate contacts  -- Support backup and merge now!

> Backup, remove duplicates, and merge contacts from multiple sources. (iPhone/iPad app by 忠 张.)

- Source: https://appshunter.io/ios/app/remove-duplicate-contacts-support-backup-and-merge-now/id494451397 (this page in markdown: same URL + `.md`)
- Developer: [忠 张](https://appshunter.io/developer/403988802)
- Category: Productivity, Utilities
- Price: $0.99
- Rating: 2.97/5 from 35 App Store ratings · 146 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 15 MB
- Languages: Arabic, Catalan, Czech, Danish, Dutch, English, Finnish, French, German, Greek and 21 more
- Released: 2012-01-30
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/remove-duplicate-contacts-support-backup-and-merge-now/id494451397/reviews.md

## What is Remove duplicate contacts?

"Contacts--" help you to quickly backup address book, remove duplicate contacts, and merge related contacts.

Top overall #1 in France, Belgium, Madagascar, Mar 2012
Top overall #4 in Mali, Senegal, Tunisia, Mar 2012
Top productivity #1 in Hong Kong, Taiwan and so on, Mar 2012
Top productivity #16 in United States, Mar 2012

"Very convinient and efficient. - Get it !!" by Holly lecl.
"WOW...Simple and worked in seconds!!! - Been having all kinds of problems because of duplicate contacts. This deleted 8,247 duplicates within 2 minutes of downloading the app. Great app and simple." by G. House MD
"Simple & easy!!! - Luved the simple and easy design to clean up my duplicates!! Thx u!" by Sara Ranfeld.
 "Great! - Me and my wife share the same iTunes account so our contacts is merged. This app is perfect to delete contacts quickly rather than delete my wife's numbers out of my phone one by one." By Nicky.
"Fantastic app! - Does what it says, no frills, no tricks, just works!" by Prasanna Ramachandran.

Features:
- Support back up and restore address book
- Support auto delete duplication contacts
- Support merge related contacts
- Support delete and merge contacts manually
- Save backup at local or export by email
- Smart check duplication and related
- Support merge with photo, first name, last name, company, job title, phone number, email, URL, address, birthday, social profile, instant message, notes
- Support many contacts source like iCloud, Facebook, Gmail, Yahoo! and Exchange
- Support both iPhone and iPad

## Key features

- Backup and restore address book
- Auto delete duplicate contacts
- Merge related contacts
- Manual contact deletion and merging
- Smart duplicate and related contact detection
- Merge contacts with various data fields
- Support for multiple contact sources

## What do users think of Remove duplicate contacts?

Overall sentiment: neutral

**Pros**

- 👍 Easy to use
- 🚀 Fast and efficient at removing duplicates
- 💡 Helpful timeline feature to undo deletions
- 🚀 Able to remove thousands of duplicates quickly

**Cons**

- 🐛 Crashes frequently, especially with larger contact lists
- 🐛 Deletes contacts randomly during rollback process
- 🐛 Doesn't properly merge contacts, only deletes
- 🐛 Doesn't detect duplicates by phone number, only name

**Commonly reported bugs**

- Crashes on app launch
- Freezes when trying to access iCloud contacts
- Randomly deletes non-duplicate contacts

**Most requested features**

- Merge duplicate contacts feature
- Search and filter options by phone number, email, etc.
- Improved stability and reliability

## Recent user reviews (10 of 146)

All indexed reviews: https://appshunter.io/ios/app/remove-duplicate-contacts-support-backup-and-merge-now/id494451397/reviews.md

### 5/5 — Yes

*2023-10-19*

Worked easily

### 1/5 — Frustrated

*2021-03-18*

Was really hopeful that this would help me get rid of duplicates but instead it locks up on every option even the help & faq secton

### 1/5 — Hafiz

*2020-08-26*

Very frustrating . Thanks for the fraud

### 1/5 — Crashes on app launch

*2020-05-21, version 4.3*

Wanted a straight-forward buy once solution to remove duplicates. I though iOS would have the intelligence to do this automatically but apparently not. Didn’t want an app with any IAP’s so chose this but it crashes on launch. There’s some memory leaks somewhere that need fixing.

### 1/5 — Crash

*2020-03-07*

This keeps crashing when I try to save or delete contacts.

### 1/5 — Does not work  crashes when loaded

*2019-01-31, version 4.3*

Waste of money loads onto iPad ...then when going to access contacts crashes ...tried it several times ..complete waste of money

### 5/5 — Great little app

*2017-05-01*

I am so happy to be able to merge and then delete all the duplicates,  i strongly recommend this great little app😀😀

### 1/5 — complexity

*2016-12-30*

The complexity of most application in the Apple

### 5/5 — Great Tool

*2016-12-25*

Love it

### 1/5 — Don'f buy it!

*2016-04-29, version 4.3*

I ended up losing some contacts and the duplicates that I originally wanted removed are still there.

## Frequently asked questions about Remove duplicate contacts

### What does this app do?

This app helps you manage your contacts by allowing you to back up your entire address book. It then provides tools to quickly remove duplicate contact entries and merge related contacts, ensuring your contact list is clean and organized.

### What are the key features for managing contacts?

Key features include the ability to back up and restore your address book, automatically delete duplicate contacts, and merge related contacts. You can also manually delete and merge contacts, with smart detection for duplicates and related entries. It supports merging contacts with various data fields like photos, names, emails, and more.

### Is this app free to use?

Based on the provided information, the app is free to use. There are no indications of in-app purchases or advertisements, suggesting a completely free experience for users.

### What devices and contact sources are supported?

The app supports both iPhone and iPad devices. It can manage contacts from various sources, including iCloud, Facebook, Gmail, Yahoo!, and Exchange, allowing for comprehensive contact management.

### How can this app help with shared devices or multiple accounts?

This app is particularly useful for users who share devices or sync contacts from multiple accounts. It can efficiently clean up merged contact lists that result from shared iTunes accounts or multiple synced services, preventing the need to manually delete contacts one by one.

## Version history (last 5 releases)

### 4.3 — 2015-03-24

This app has been updated by Apple to display the Apple Watch app icon.

- Fix some bugs

### 4.2 — 2015-02-10

- Adjust parse logic.
- Speed up parse speed.
- Add contacts creation timeline.

### 4.1.1 — 2015-01-27

- Fix crash bug

### 4.1 — 2015-01-10

- Fix crash bug

### 4.0 — 2015-01-05

- Support back up and restore address book
- Support merge related contacts
- Support delete and merge contacts manually

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## More apps by 忠 张

- [Planimeter Pro for map measure](https://appshunter.io/ios/app/planimeter-pro-for-map-measure/id476039389)
- [Fog of World Assistant - GPX Builder](https://appshunter.io/ios/app/fog-of-world-assistant-gpx-builder/id938037644)
- [Planimeter for map measure](https://appshunter.io/ios/app/planimeter-for-map-measure/id983873587)
- [My Goals - Get things done](https://appshunter.io/ios/app/my-goals-get-things-done/id1051212505)
- [Picture Measure - Calculate area and length on photo](https://appshunter.io/ios/app/picture-measure-calculate-area-and-length-on-photo/id1139705071)

All apps by 忠 张: https://appshunter.io/developer/403988802

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*