Comparison

Remove Duplicate Contacts + vs CircleBack

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Remove Duplicate Contacts +

Clean up your address book by finding and removing duplicate contacts and events. Manage contact groups, send messages to multiple contacts, and organize your calendar events efficiently. Offers basic duplicate detection with an option to unlock advanced merging features.

Highlights
  • Remove duplicate contacts
  • Delete multiple contacts at once
  • Backup and restore contacts
  • Find and remove duplicate events
  • Manage contact groups
  • Send group texts and emails
  • Organize calendar events
Features
Read full description

The best Duplicate Contacts Cleanup App for iOS. Remove duplicate contacts directly on iPhone/iPad. Delete multiple duplicate contacts with one tap. Backup, restore, and export contacts in your address book. Best Calendar Tools. Share ICS Events, Delete Events on your iPhone and iPad. Copy, Move Events for iOS. Basic version is designed to find and remove only 100% identical duplicate contacts. Want to find and merge contacts that share the same name but contain different information (such as phone numbers and addresses)? In-App Purchase our Contact Tools Function. Base version functionalities: 1. Find and Remove exact duplicate contacts (100% identical contacts) 2. Remove contacts without names 3. Remove contacts without phone numbers 4. Remove contacts without email addresses 5. Find and Remove duplicate events 6. Show days-until for events, filter events by date, create or edit events 7. Sort events alphabetically or by time order 8. Manage groups on iPhone (Add, delete, and/or rename groups) 9. Send group text/SMS 10. Send group emails 11. Assign multiple contacts to groups at once, remove multiple contacts from groups at once 12. Support search bar and index to fast locate a contact 13. View contact information, modify contact information, delete contacts from the address book, make phone calls, and send emails Shortcuts Integration: Automate your go-to actions and streamline your day with full Siri Shortcuts support. Home Screen Widgets: Get key insights and quick-access actions at a glance without even opening the app. Please send us emails at support@appiplayer.com if you have any questions or comments. Note: Group does NOT duplicate contact data, it reads from your address book and all changes you make will be saved to the same address book.

About

CircleBack

This app intelligently updates your contacts, finds new ones from email, and cleans duplicates. It also allows scanning business cards and offers unified contact management across devices.

Highlights
  • Automatic contact updates
  • Duplicate contact merging
  • New contact discovery from emails
  • Business card scanning
  • Unified address book
  • Contact sync across devices
Features
Read full description

CircleBack is the only address book manager that updates your contacts intelligently, discovers new contacts in your Google and Microsoft inboxes, cleans up duplicates, and allows you to scan business cards and save them as contacts. Packed with everything you need to stay organized while building and maintaining productive professional relationships, CircleBack makes it easier than ever to keep connections alive and get stuff done. CIRCLEBACK FEATURES • Contact updates when people in your network change jobs, roles & more • Intelligent merging / management of duplicate contacts • “New Contact” discovery from email signatures in Outlook, Gmail & the entire Microsoft account suite (Outlook.com, Hotmail, MSN, etc.) • Contact grouping by favorite, old/archived, or business card scans • A single, unified address book that imports from Outlook/Exchange , Gmail (Google Apps), Microsoft account suite, Facebook & more • Contact sync across multiple devices and platforms • Export contacts to Salesforce & ACT! • Best-in-class OCR business card scanning • Deleted contact recovery for the moments you make a mistake WHAT THE MEDIA IS SAYING • “CircleBack lets you sit back as it does the real-time contact updates and management for you.”— iphoneappsreviewonline.com • “Every once in a while I have this fever dream that I’d have a smartphone contact book that would be up-to-date and completely filled out, but that’s all it is—just a dream. But with CircleBack, I have a fighting chance.” — Gizmodo • “CircleBack uses artificial intelligence and crowd-based intelligence technology to automate contact updating and management. A useful tool to activate your contact list.” — Computerworld • “The modern world is busy and engaged, and your professional and personal contacts merge. But how can you keep up with what they’re doing? CircleBack uses artificial intelligence and crowd-based intelligence technology to automate contact updating and management.” — TechCrunch • “CircleBack knows your contacts better than you do. By automatically cleaning, completing, and updating your contacts, as well as removing duplicates, CircleBack keeps your address book organized and up-to-date.” — abduzeedo • “CircleBack is helpful app that makes sure that you address book is up-to-date. But, the app also consolidates all of your contacts by removing duplicate entries and repairing errors like typos. It can also locate missing contact information or updated information from outdated contacts.” — Forbes REVIEWS LEFT ON THE APP STORE • “Continuously improving” • “Simple, Powerful, intuitive” • “Very Useful Complement To Apple's Contacts App” • “Great & Simple App” MORE ABOUT CIRCLEBACK CircleBack’s unique answer to contact management is a single tool that ensures your address book is up-to-date, unified & accessible on all your devices. CircleBack handles the time-consuming organization of your digital address book while you do what you do best: crush it daily. DATA USAGE Crowdsourcing powers CircleBack’s core, allowing you (and everyone else) to anonymously contribute to the intelligence of our database. Your contributions are matched with billions of other data points from millions of other users to provide the best, most up-to-date info for anyone that’s outdated or duplicated in your address book. We love hearing from you! Keep the comments coming by emailing us anytime at support@circleback.com.

Screenshots

Remove Duplicate Contacts +4 screens
CircleBack4 screens

Verdict

The call

Remove Duplicate Contacts + and CircleBack both sit at 4.5 stars, but that hides the real split: 61% of CircleBack's written reviews are positive against 23% of Remove Duplicate Contacts +'s. CircleBack also leads on in-app purchases (none vs 3) and ratings volume (2.5K vs 565). Remove Duplicate Contacts +'s advantage is device support (3 vs 1) and iOS requirement (15 vs 17.6). On price, rating, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Remove Duplicate Contacts + sells 3 one-off in-app purchases. CircleBack asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Remove Duplicate Contacts + against 4.5 for CircleBack. Both are backed by a comparable volume of ratings — 565 and 2.5K respectively. Written reviews are what separate them: 23% of Remove Duplicate Contacts +'s written reviews are positive against 61% of CircleBack's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

Scorecard6 real differences · 4 level
Remove Duplicate Contacts + versus CircleBack: the parameters behind the verdict, then further details
ParameterRemove Duplicate Contacts +CircleBack
PriceFreeFree
Rating4.5 (565 ratings) — better4.5 (2.5K ratings)
Positive reviews22.9% of reviews60.9% of reviews — better
Number of ratings5652.5K — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15 — better17.6
Further details — not scored
Size34 MB118 MB
Age rating4+17+
DeveloperShan Shan LiuCircleBack, Inc.

Customer experience

Remove Duplicate Contacts +

All ratings565 ratings
Positive87.3%
Neutral5.1%
Negative7.6%
Written reviews362 reviews
Positive22.9%
Neutral3.9%
Negative73.2%

CircleBack

All ratings2,543 ratings
Positive88.2%
Neutral5.1%
Negative6.7%
Written reviews128 reviews
Positive60.9%
Neutral8.6%
Negative30.5%

User reviews

Remove Duplicate Contacts +

From 565 App Store ratings

What we love

  • 🚀 Fast and efficient
  • 👍 Easy to use
  • 💡 Helpful for organizing contacts
  • 👍 Effective at removing duplicates

Room to improve

  • 🐛 Crashes frequently
  • 💰 Requires in-app purchases for full functionality
  • 🔍 Doesn't find all duplicates
  • 🔍 Doesn't properly merge similar contacts

CircleBack

From 2.5K App Store ratings

What we love

  • 🚀 Easy to use
  • 📚 Helpful for managing contacts
  • 💾 Keeps contacts synced
  • 🔍 Useful for finding updated contact info
  • 🧹 Helps clean up duplicate contacts

Room to improve

  • 🐛 Crashes or freezes
  • 🔁 Duplicates keep reappearing
  • 🔒 Google login issues
  • 🤯 Messes up or deletes contacts
  • 🕰️ Slow performance

Bugs and requests

Remove Duplicate Contacts +

Reported bugs

3 issues
  • Deleting contacts removes phone numbers and details
  • Sync issues with other platforms
  • Inconsistent performance across iOS versions

Requested features

3 requests
  • Improved duplicate detection and merging
  • More transparent pricing model
  • Backup and restore functionality

CircleBack

Reported bugs

4 issues
  • Fails to update contacts on devices
  • Incorrectly merges unrelated contacts
  • Loses contact notes and other data
  • Unreliable sync between app and phone contacts

Requested features

4 requests
  • Add ability to remove contacts from groups
  • Improve search functionality
  • Allow starting with a fresh contact list
  • Provide better backup/restore options

In-app purchases

3 purchases

Remove Duplicate Contacts +

One-time3
  • Merge Tools$3.99
  • Calendar Tools$4.99
  • Task$4.99
None

CircleBack

No in-app purchases

Questions

Is Remove Duplicate Contacts + free?
Remove Duplicate Contacts + is free to download, with in-app purchases available.
Is CircleBack free?
CircleBack is free to download, with no in-app purchases.
Which has better reviews, Remove Duplicate Contacts + or CircleBack?
Remove Duplicate Contacts + is rated higher. Remove Duplicate Contacts + averages 4.5 out of 5 from 565 ratings, while CircleBack averages 4.5 from 2.5K ratings.
Do Remove Duplicate Contacts + or CircleBack have ads?
Neither Remove Duplicate Contacts + nor CircleBack shows ads.
Which is updated more often, Remove Duplicate Contacts + or CircleBack?
Remove Duplicate Contacts + ships an update every 2 months, and CircleBack every 2 months. Most recently, Remove Duplicate Contacts + was updated on September 20, 2026 and CircleBack on September 24, 2026.

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