Contacts+ | Address Book

Contacts+ | Address Book

By FullContact

Contacts+ is a cloud-based address book for professionals that synchronizes and enriches contact data across Gmail, Exchange, and iCloud on iOS and Android.

The App DNA

What makes this app unique?

Users turn to the app to consolidate fragmented contact lists from multiple accounts into a single, enriched profile, removing the manual labor of data entry.

For Professionals, sales executives, and small business teams who manage large, fragmented networks across multiple platforms.

What does it look like?

Key features

Contact Deduplicationstandard

Consolidates contact information from multiple accounts into a single profile; retention lever reducing clutter.

Business Card Scanneredge

Uses AI to transcribe business card images; premium-tier gate for professional users.

Multi-Account Syncstandard

Synchronizes contacts across Gmail, Exchange, Office365, and iCloud; B2B unlock for power users.

How much does it cost?

subscriptionFree tier with basic sync and monthly enrichmentPremium subscription with real-time sync, daily enrichment, and 1,000 business card scans per year

Freemium model gates high-frequency data updates and volume-based scanning behind a subscription to target power-networkers and professionals.

Velocity

Maintenance developmentperformanceopaqueShow more...

The app currently operates at a maintenance cadence, with only 10 releases identified over the last two years and a significant gap in activity. The latest release occurred 91 days ago, and the development history shows a consistent pattern of minor bug fixes and performance improvements without the introduction of new features. The development trend is stable at a low-frequency maintenance level, with no evidence of live operations or major feature updates. The publisher consistently utilizes opaque release notes, providing no insight into specific technical changes or roadmap progress.

See all version history

Who built it?

FullContact

1 app tracked · Productivity

Explore the full publisher profile

User Sentiment

What do users think recently?

Recent user voice shows a frustrated sentiment. Users appreciate integration with third-party automation tools like zapier allows users to streamline business card data entry, but report aggressive contact merging algorithms frequently delete or corrupt critical phone numbers and email addresses without user consent.

How are ratings & reviews evolving?

Google Play
4.28 · 1.9M
App Store
4.55 · 6k

What users say, by theme

What Users Love
  • Integration with third-party automation tools like Zapier allows users to streamline business card data entry
What Frustrates Users
  • Aggressive contact merging algorithms frequently delete or corrupt critical phone numbers and email addresses without user consent
+ 2 more themes
What Users Want 1 request inside

99 of 99 recent reviews analyzed · high confidence · Frustrated overall

Read the full review analysis

Unlock 2 more frustration themes and 1 user request, each backed by review evidence.

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Competition

Competitive landscape for Contacts+ | Address Book

How's the Productivity market?

Contacts+ holds a 4.54 rating on iOS with 5,781 reviews, yet the 4.28 rating on Android across 1.8M reviews indicates a significant platform-specific performance gap. The high volume of Android reviews suggests a legacy user base that is currently experiencing the brunt of the recent sync regressions.

Read the market outlook

The rivals identified

My Contacts Backup Pro

By GLOBILE BILISIM BILGISAYAR HIZMETLERI ILETISIM DANISMANLIK SANAYI TICARET LIMITED SIRKETI

This app directly targets the core utility of this app—contact backup—at a massive scale with a similar focus on simplicity.

  • Focuses exclusively on the backup and restore utility rather than broader cloud-based contact management features.
  • Maintains a singular, utility-driven interface that avoids the complexity of multi-account synchronization found in our target.
  • Leverages a massive, long-standing user base to dominate the specific search intent for contact backup solutions.
Contacts+ | Address Book vs My Contacts Backup Pro

Unlock the head-to-head verdict: where this rival wins, and where it loses.

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The Analyst's Read

Key takeaways for Contacts+ | Address Book

Where is it heading?

Users report: The productivity market is shifting toward personal CRM tools that prioritize relationship engagement over static data storage. Contacts+ is currently exposed because its core utility, data management, is failing to meet basic reliability standards, which will lead to mass migration to more stable alternatives by Q3.

  • Critical search failures in the latest version prevent basic contact retrieval, which compounds the existing trust deficit from data loss incidents.
  • The maintenance-only release cadence leaves the app unable to address high-frequency data corruption complaints, accelerating churn among professional power users.

The SWOT

Core Strengths
  • Multi-platform sync engine integrates Gmail, Exchange, and iCloud simultaneously
Critical Frictions 2 weaknesses inside
Growth Levers
  • Implement a manual audit trail for contact changes to restore user trust
Market Threats 1 threat identified

Next best moves

1 Pivot · 1 Invest

Disable automated contact merging by default because it is the top-cited cause of data loss → stabilize retention

+ 1 more prioritized move

The counter-intuitive read

The app's high subscription price is not a…

Read the full take

Feature gaps

Manual sync audit trail (missing here, requested by users) +1

Since the last report: Critical search failures in the latest build have compounded existing data-integrity issues, causing a significant decline in user sentiment and usability. The app remains in a maintenance-only state, failing to address the core sync-corruption complaints that drive churn.

Bottom line

Restoring data integrity is the only path to retention, as the current automated merging logic is actively destroying the user's primary asset. If the app fails to provide a transparent audit trail for sync changes, the churn rate will accelerate regardless of feature additions.

Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.

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FAQ

Is Contacts+ safe for my professional contact list?
Users report that aggressive automated merging can lead to data loss or corruption of existing contact information. If you rely on your address book for professional work, you may want to ensure you have a separate backup before enabling full sync features.
How does Contacts+ compare to My Contacts Backup Pro?
Contacts+ is a comprehensive cloud-based management tool that syncs multiple accounts, whereas My Contacts Backup Pro is a single-purpose utility focused exclusively on static backup and restore tasks.
What is a free alternative to Contacts+?
Users looking for basic backup functionality without the complexity of cloud-based management often consider single-purpose utilities like My Contacts Backup Pro, which focus on simple export and restore workflows.

Sources

  1. [1] Developer website, source
  2. [2] App Store, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Contacts+ | Address Book, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

Critical search failures in the latest build have compounded existing data-integrity issues, causing a significant decline in user sentiment and usability. The app remains in a maintenance-only state, failing to address the core sync-corruption complaints that drive churn.

declined

Critical Search Failures

added

Search Functionality Weakness

added

Manual Audit Trail Opportunity

Cite this report

Marlvel.ai. “Contacts+ | Address Book Intelligence Report.” Updated Jul 29, 2026. https://marlvel.ai/apps/contacts-address-book

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