Contacts Sync + vs its rivals

Side-by-side comparison against Contacts Sync +'s closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

Core Identity
DeveloperPlaya AppsGLOBILE BILISIM BILGISAYAR HIZMETLERI ILETISIM DANISMANLIK SANAYI TICARET LIMITED SIRKETISync.ME LTDHaresh PurbiyaFlexibits Inc.Microsoft CorporationGoogleNotion Labs, Incorporated
CategoryProductivityProductivitySocial NetworkingUtilitiesProductivityProductivityProductivityProductivity
PlatformAndroid, iOSAndroid, iOSiOSiOS, AndroidAndroid, iOSAndroid, iOSAndroid, iOSAndroid, iOS
Store Metrics
Rating0.0 / 54.7 / 54.4 / 54.4 / 50.0 / 54.8 / 54.7 / 54.8 / 5
Ratings Count08,79122,1112208,912,85222,84182,804
PriceFree$1.99FreeFreeFreeFreeFreeFree
Release DateJul 26, 2011Oct 3, 2011Dec 4, 2009Mar 19, 2023Oct 18, 2017Jan 29, 2015Nov 9, 2020Sep 14, 2017
Last UpdatedDec 19, 2025Aug 23, 2020Apr 17, 2026Feb 18, 2026Apr 7, 2026May 11, 2026Apr 28, 2026May 5, 2026
Sentiment & Reviews
Sentimentpositivemixed-mixedmixedmixednegativenegative
Score75/10044/100-65/10055/10035/10035/10035/100
Praises
  • Cross-platform contact synchronization between Google and Apple accounts provides a reliable daily utility
  • Ease of Use
-
  • Contact synchronization across multiple devices enables seamless management of family and personal address books
  • Natural language parsing for contact creation provides a fast and efficient workflow for power users
  • Reliable daily utility for work communication and scheduling across multiple platforms
  • Integration with Google account services provides a reliable and convenient storage management experience for users
  • Relational database structure provides powerful organization for personal and professional knowledge management
Complaints
  • Broken search functionality in the latest update prevents users from locating saved contacts by name
  • Export and Email Failures
  • Lack of Updates and Support
-
  • Search functionality fails to return results for existing contacts following the latest update
  • Syncing failures and data loss issues disrupt contact management across multiple devices post-update
  • Frequent application crashes and sync failures following the latest update
  • Subscription and billing management issues create significant friction regarding unauthorized charges and refund requests
  • Frequent app crashes and UI freezing during text editing sessions on mobile devices
Requests
  • Granular field selection controls to prevent syncing sensitive notes or unwanted data between accounts
--
  • Transparency regarding contact information changes and version history after device updates
  • Native deduplication and contact merging tools are needed to clean up fragmented address book data
  • Option to revert to classic interface without AI-driven navigation changes
  • Granular storage plan options are requested to better align with actual user data consumption needs
  • Toggle switch to disable or hide AI features from the primary interface
Strategic Intel
Strengths
  • 2-way sync mechanism establishes high switching costs
  • Automated background sync reduces user friction
  • Group-matching logic reinforces category authority
  • Strong legacy rating (4.7 stars)
  • Privacy-first offline architecture
  • Simple, one-touch user interface
-
  • Privacy-first local processing moat
  • Multi-format export flexibility
  • Integrated duplicate merging utility
  • Natural language parsing engine enables rapid contact entry
  • Cross-platform integration via Flexibits Premium
  • Focus Filters reduce professional context-switching
  • Deep Microsoft 365 ecosystem integration [Platform]
  • Unified calendar-email workflow [Feature]
  • System-level Android integration replaces default backup triggers
  • Unified storage management across Workspace apps creates high switching costs
  • Editors' Choice badge sustains organic install velocity
  • Relational database engine enables complex knowledge management systems
  • Template library lowers barrier to entry for new users
Weaknesses
  • Broken search functionality in the latest update
  • Confusing licensing prompts post-purchase
  • Lack of clear monetization tiers
  • No updates since August 2020
  • Broken core email export functionality
  • Non-responsive developer support
-
  • Broken search functionality in latest update
  • Manual-only backup friction
  • 0.12 rating gap vs top-tier competitors
  • Sync failures and data loss post-update
  • 0.7★ rating gap between Android and iOS
  • Subscription model alienates legacy retail-purchase users
  • Frequent post-update sync failures [Metric]
  • Search functionality failing to index recent content [Metric]
  • Premium tier pricing exceeds category median
  • Support accessibility relies on automated loops
  • No 'Secure Folder' equivalent for sensitive files
  • Mobile app crashes during long editing sessions
  • Forced AI elements disrupt core UI
Pricingfreepaidfreemiumsubscriptionsubscriptionfreemiumsubscriptionfreemium
MomentumMaintenanceZombieIntenseMaintenanceMaintenanceActiveActiveActive
Update Cadence5 versions, ~122d avg5 versions, 1 majors/6mo, ~910d avg5 versions5 versions, ~165d avg5 versions, 3 majors/6mo, ~34d avg5 versions, 3 majors/6mo, ~9d avg5 versions, ~7d avg5 versions, ~5d avg

Compare Contacts Sync + head-to-head

Disclosure: Independent intel to help mobile builders succeed.

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

Data licensed under CC-BY-NC 4.0