Report updated May 5, 2026
Contacts+ | Address Book
For power-networkers, sales executives, and real estate professionals requiring unified, enriched contact data across multiple platforms.
Contacts+ | Address Book is a challenged productivity app that is free with in-app purchases. With a 4.3/5 rating from 1.9M reviews, it faces significant user friction. Users particularly appreciate core contact management functionality provides a useful utility for organizing personal and professional address books, though aggressive contact merging and sync errors cause irreversible data loss and corruption of address books remains a common concern.
What is Contacts+ | Address Book?
Contacts+ is a cloud-based address book for professional contact management across multiple platforms on iOS and Android.
Users hire Contacts+ to consolidate fragmented contact data from Gmail, Exchange, and iCloud into a single, enriched profile, reducing the administrative burden of professional networking.
Current Momentum
v26.03 · 5d ago
Maintenance- Added call blocking for iOS users.
- Shipped AI-generated message composer.
Active Nemesis
My Contacts Backup Pro
By GLOBILE BILISIM BILGISAYAR HIZMETLERI ILETISIM DANISMANLIK SANAYI TICARET LIMITED SIRKETI
Other Rivals
7-Day Rank Pulse 🇺🇸
ProductivityNo ranking data
Rating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
AI-powered transcription of physical business cards into digital contact entries
Automated retrieval of social profiles, job titles, and photos from public web data
Two-way synchronization across Gmail, Exchange, Office365, and iCloud
How much does it cost?
- Free: Daily sync, monthly contact updates
- Premium: Real-time sync, 1,000 card scans/year, daily contact updates
Freemium model uses sync frequency and data enrichment volume as the primary gates for paid conversion.
Who Built It?
Providing essential Android system utilities and productivity tools to keep users connected and organized. Focused on deep OS-level integration for seamless daily workflows.
Portfolio
1
Apps
Explore the full FullContact report
Portfolio breakdown, audience, momentum, and every app published by FullContact.
What do users think recently?
High confidence · 99 reviews analyzed · Based on 99 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a frustrated sentiment. Users appreciate core contact management functionality provides a useful utility for organizing personal and professional address books and integration with external services like email clients enhances the utility of contact management workflows, but report aggressive contact merging and sync errors cause irreversible data loss and corruption of address books and high subscription costs for premium features are perceived as poor value compared to free alternatives.
What Users Love
What Frustrates Users
What Users Want
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Contacts+ | Address Book?
How's The Productivity Market?
How does it evolve in the Productivity market?
Contacts+ holds a niche position in the Productivity category, but the high volume of data-loss complaints (top sentiment theme) suggests the current sync architecture is failing to scale, creating a vulnerability for competitors to capture users seeking reliable backup.
Rank progression
9 active rankings tracked — 30-day window
The rivals identified
Nemeses(1)
GLOBILE BILISIM BILGISAYAR HIZMETLERI ILETISIM DANISMANLIK SANAYI TICARET LIMITED SIRKETI
This app directly targets the core utility of the target app—contact backup—at a massive scale with a similar focus on simplicity.
Differentiators
- 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.
Head to head
The target app should emphasize its superior multi-account synchronization capabilities to differentiate from this single-purpose backup utility.
Contenders(2)
Addresses the specific pain point of migrating contacts between different accounts and platforms.
Differentiators
- Optimized for bulk contact migration tasks rather than continuous cloud-based address book management.
- Simplifies the complex process of moving contact data between disparate cloud service providers.
Directly competes on the synchronization feature set, specifically targeting the Google/Gmail ecosystem integration.
Differentiators
- Specializes in one-way or two-way synchronization specifically for Google and Gmail account environments.
- Provides granular control over sync settings that allows users to manage specific contact groups individually.
Same space(2)
Adds social and caller ID enrichment to the standard contact management experience.
Differentiators
- Enriches static contact entries with social media profile photos and updated professional information automatically.
- Provides real-time caller identification and spam blocking as a core value-add to the address book.
A dominant productivity suite that includes contact management as a secondary, yet highly integrated, feature.
Differentiators
- Integrates contact management directly into the primary email and calendar workflow for enterprise users.
- Leverages the massive Microsoft 365 ecosystem to provide seamless contact syncing across all professional devices.
New entrants(2)
Represents the shift toward 'Personal CRM' tools that treat contacts as relationships rather than just data.
Differentiators
- Includes automated reminders to reach out to contacts, shifting the focus from storage to engagement.
- Provides news alerts about contacts to facilitate more meaningful professional and personal networking interactions.
High release velocity indicates an aggressive push to capture the productivity-conscious user segment.
Differentiators
- Uses automated AI-driven analysis to declutter email inboxes, which indirectly improves contact management hygiene.
- Focuses on the 'digital wellness' trend by helping users remove unwanted subscriptions and old contacts.
Compare Contacts+ | Address Book against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Contacts+ | Address Book
Strengths to defend, gaps to attack
Core Strengths
- Multi-account sync engine integrates Gmail, Exchange, and iCloud simultaneously
- AI-powered business card transcription provides high-utility professional data entry
Critical Frictions
- Indiscriminate merging logic causes irreversible data loss
- High annual subscription cost lacks perceived value
- Technical instability post-update prevents reliable access
Growth Levers
- Develop wearable integration to capture professional networking on-the-go
- Expand B2B partnerships for CRM-lite data enrichment
Market Threats
- Sync-corruption complaints erode brand trust
- Specialized single-purpose backup utilities offer lower-friction alternatives
- Enterprise suites like Outlook integrate contact management natively
What are the next best moves?
Audit sync logic because data-loss complaints are the #1 churn driver → stabilize user trust
Sentiment analysis confirms sync errors and contact merging are the primary source of negative reviews.
Trade-off: Pause the AI-generated message composer rollout — data integrity is a prerequisite for retention.
Introduce a granular sync-conflict resolution UI because users report indiscriminate merging → reduce data corruption
Users report the app merges contacts without confirmation, leading to irreversible loss of information.
Trade-off: Deprioritize the business card scanning update — existing users require stability over new entry features.
A counter-intuitive read
The high volume of sync-related complaints is actually a signal of high user intent, as users only care this deeply about data loss when the app is their primary source of truth.
Feature Gaps vs Competitors
- Granular sync-conflict resolution (available in Contacts Sync Pro but absent here)
- Bulk contact migration tools (available in Contacts Mover Pro but absent here)
Key Takeaways
Contacts+ provides essential cross-platform utility but suffers from critical data-integrity failures, so the PM must prioritize stabilizing the sync engine to prevent further churn.
Where Is It Heading?
Declining
The contact management market is shifting toward relationship-focused CRM tools, leaving static address books like Contacts+ exposed. Unless the team resolves the sync-corruption issues, the app will continue to lose users to more reliable, single-purpose backup utilities.
Frequent reports of irreversible contact data loss post-update erode user trust, which directly correlates with the declining sentiment trend.
High subscription costs relative to free alternatives drive churn, as users perceive the premium feature set as insufficient for the price.