Nimble vs CircleBack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nimble
This app unifies your contacts from various sources into a single relationship manager. It provides detailed contact information and helps you manage follow-ups and projects effectively, whether you're on the go or in the office.
- Unified contact database
- Detailed contact dossiers
- Follow-up and project management
- Access via iOS Share Menu
- Templated and trackable emails
- Multiple pipeline manager
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Nimble’s mobile CRM takes contacts from your address book, email, contacts, and calendar and combines them with your entire Nimble database into a unified relationship manager that delivers detailed dossiers on contacts you’re prospecting, qualifying, or meeting with today. Nimble also enables you to follow up on conversations and follow through on projects as effectively and productively as you do while working on the go as in your office. Key Features in Nimble CRM Mobile 3.0 - Access to Nimble anywhere the iOS Share Menu is supported. Research contacts and companies from within email, contacts, calendar, LinkedIn, and Safari/Chrome. - Templated and trackable emails make outreach quick and easy. - Multiple pipeline manager helps you manage opportunities such as sales, renewals, business development, marketing, or PR. ABOUT NIMBLE Nimble builds award-winning contact management solutions for teams and individuals. Everyday, people use Nimble to successfully nurture their personal and business relationships across email, social networks and more than 90 cloud-based business applications. Ranked #1 in Overall Satisfaction by G2 Crowd, and #1 Small Business Sales and Marketing CRM by Fit Small Business, Nimble combines the strengths of traditional CRM, classic contact management, social media, sales intelligence and marketing automation into a powerful relationship management platform that delivers relationship insights everywhere you work. Questions or comments? We would love to hear from you. Follow us on Twitter at @Nimble or on Facebook at https://www.facebook.com/nimble
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.
- Automatic contact updates
- Duplicate contact merging
- New contact discovery from emails
- Business card scanning
- Unified address book
- Contact sync across devices
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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
Verdict
The clearest difference is monetization model: CircleBack at free against Nimble's freemium. CircleBack also leads on review sentiment (61% vs 50%) and ratings volume (2.5K vs 620). Nimble's advantage is update cadence (every 4 weeks vs every 2 months) and iOS requirement (15.6 vs 17.6). On price, rating, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.5 for Nimble against 4.5 for CircleBack. Both are backed by a comparable volume of ratings — 620 and 2.5K respectively. Written reviews are what separate them: 50% of Nimble's written reviews are positive against 61% of CircleBack's.
Nimble ships an update every 4 weeks, CircleBack every 2 months. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.
| Parameter | Nimble | CircleBack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (620 ratings) — better | 4.5 (2.5K ratings) |
| Positive reviews | 50.0% of reviews | 60.9% of reviews — better |
| Number of ratings | 620 | 2.5K — better |
| Update frequency | Every 4 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 72 MB | 118 MB |
| Age rating | 4+ | 17+ |
| Developer | Nimble, Inc. | CircleBack, Inc. |
Customer experience
Nimble
CircleBack
User reviews
Nimble
From 620 App Store ratingsWhat we love
- 🚀 Fast and intuitive
- 💡 Powerful social integration
- 👍 Excellent CRM features
- 🚀 Streamlined contact management
- 👍 Great desktop version
Room to improve
- 🐛 Buggy and glitchy mobile app
- 🔋 Performance issues on mobile
- 👎 Limited functionality in mobile app
- 👎 Lacks important features on mobile
- 👎 Syncing issues between desktop and mobile
CircleBack
From 2.5K App Store ratingsWhat 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
Nimble
Reported bugs
5 issues- Frequent crashes on mobile
- Unresponsive touch screen on mobile
- Sync issues between contacts and calendar
- Login problems with Google and Microsoft accounts
- Inconsistent data between mobile and desktop
Requested features
5 requests- Offline access and data sync
- Improved mobile app with full CRM functionality
- Native iPad app
- Better integration with Outlook and other platforms
- More customization options
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
Nimble
No in-app purchases
CircleBack
No in-app purchases









