Comparison

CircleBack vs Address Book+

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

Head to head
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.

About

Address Book+

Features
Read full description

AddressBook+ is a relationship-intelligence address book for professionals who live between meetings, markets and people. WHO'S CALLING - Caller ID for your whole professional directory: names and roles on the ringing screen, without saving thousands of contacts - "Who called?" lookup for any number you hold YOUR NETWORK, ORGANISED - Contacts enriched with roles, companies, birthdays and past interactions - Sync your device contacts privately: your numbers stay yours, and matching against the shared directory needs explicit permission from the owner - Open loops, capture notes, and morning briefs before every meeting COMPANIES, LIKE AN INVESTOR SEES THEM - Share price, financials, peers and valuation for listed companies - Where it earns: segment revenue straight from stock-exchange filings, animated quarter by quarter - Where the money goes: cost structure across years and quarters - News, disclosures and social activity in one timeline PRIVATE BY DESIGN - Your imported contacts are never revealed to other users - Contact details are permission-gated: you see what you contributed, what you already know, or what the owner explicitly granted - Delete your account and all your imported data from within the app AddressBook+ requires an account. Contact sync, calendar access and notifications are optional and asked for in context.

Screenshots

CircleBack4 screens
Address Book+2 screens

Verdict

The call

The clearest difference is update cadence: Address Book+ at every 2 weeks against CircleBack's every 2 months. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CircleBack ships an update every 2 months, Address Book+ every 2 weeks. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

Scorecard1 real difference · 9 level
CircleBack versus Address Book+: the parameters behind the verdict, then further details
ParameterCircleBackAddress Book+
PriceFreeFree
Rating4.5 (2.5K ratings) — better—
Positive reviews60.8% of reviews—
Number of ratings2.5K — better—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.616.4 — better
Further details — not scored
Size118 MB56 MB
Age rating17+17+
DeveloperCircleBack, Inc.Saurabh Singh

Bugs and requests

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

Address Book+

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CircleBack

No in-app purchases

None

Address Book+

No in-app purchases

Questions

Is CircleBack free?
CircleBack is free to download, with no in-app purchases.
Is Address Book+ free?
Address Book+ is free to download, with no in-app purchases.
Do CircleBack or Address Book+ have ads?
Neither CircleBack nor Address Book+ shows ads.
Which is updated more often, CircleBack or Address Book+?
CircleBack ships an update every 2 months, and Address Book+ every 2 weeks. Most recently, CircleBack was updated on October 24, 2026 and Address Book+ on October 18, 2026.

Other comparisons