Zoho Calendar vs its rivals

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

Core Identity
DeveloperZoho CorporationGoogleFlexibits Inc.TimeTree, Inc.Microsoft CorporationNotion Labs, IncorporatedCoziAny.DOProton AG
CategoryProductivityProductivityProductivityProductivityProductivityProductivityProductivityProductivityProductivity
PlatformAndroid, iOSAndroid, iOSiOS, AndroidiOS, AndroidAndroid, iOSAndroid, iOSiOS, AndroidiOS, AndroidiOS
Store Metrics
Rating3.7 / 54.5 / 54.2 / 54.9 / 54.8 / 54.8 / 54.8 / 50.0 / 54.7 / 5
Ratings Count3129,71522,49484,5508,912,85282,804388,236041,863
PriceFreeFreeFreeFreeFreeFreeFreeFreeFree
Release DateSep 12, 2022Mar 10, 2015Oct 30, 2013Mar 19, 2015Jan 29, 2015Sep 14, 2017Dec 21, 2010Jan 12, 2015Mar 17, 2016
Last UpdatedApr 28, 2026May 4, 2026Mar 31, 2026Apr 28, 2026May 11, 2026May 5, 2026Apr 20, 2026Apr 30, 2026Apr 16, 2026
Sentiment & Reviews
Sentimentmixedmixed-mixedmixednegativemixedmixedmixed
Score45/10045/100-75/10035/10035/10055/10065/10042/100
Praises
  • Reliable two-way calendar synchronization across desktop and mobile devices supports consistent professional scheduling
  • Reliable scheduling and task management features keep daily routines organized for long-term users
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  • Shared calendar functionality enables seamless coordination for families and multi-generational households
  • Reliable daily utility for work communication and scheduling across multiple platforms
  • Relational database structure provides powerful organization for personal and professional knowledge management
  • Shared family calendar and grocery lists provide essential coordination for busy households
  • Cross-platform synchronization between mobile and desktop keeps task management consistent for power users
  • Privacy and Security
Complaints
  • Post-update widget instability causes incorrect date displays and failed event synchronization on home screens
  • Post-update UI regressions and missing features frustrate users who rely on specific widget customizations
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  • Intrusive audio advertisements disrupt professional and social environments during calendar access
  • Frequent application crashes and sync failures following the latest update
  • Frequent app crashes and UI freezing during text editing sessions on mobile devices
  • Severe performance lag and freezing during list entry following the latest update
  • Unexpected billing practices and subscription renewals create significant distrust among long-term users
  • Syncing and Performance Issues
Requests
  • Integration of regional Indian holiday calendars and festival markings to improve local relevance
  • Dynamic app icon that updates to show the current date of the month
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  • Native integration with external services like Google Calendar to prevent scheduling conflicts
  • Option to revert to classic interface without AI-driven navigation changes
  • Toggle switch to disable or hide AI features from the primary interface
  • Search functionality within the lists menu to quickly locate specific items
  • Granular sorting options for completed tasks would improve historical data review and organization
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Strategic Intel
Strengths
  • Integrated Zoho suite presence
  • Privacy-first data handling
  • Cross-platform sync reliability
  • Native Android integration replaces default assistant triggers
  • Workspace ecosystem network effects drive high switching costs
  • Gmail event extraction automates scheduling friction
  • Best-in-class natural language parsing engine
  • Deep integration with Apple ecosystem (Watch, Vision Pro, Widgets)
  • High-quality UI/UX balancing density and clarity
  • Network effects driven by multi-user group synchronization
  • Event-chat interface reduces coordination friction
  • Deep Microsoft 365 ecosystem integration [Platform]
  • Unified calendar-email workflow [Feature]
  • Relational database engine enables complex knowledge management systems
  • Template library lowers barrier to entry for new users
  • Brand positioning entrenched in 'Mom's Choice' demographic
  • Shared-state architecture creates high user switching costs
  • Cross-platform accessibility via web and mobile
  • Unified calendar-task interface sustains daily habit formation
  • WhatsApp integration lowers task-capture friction
  • Cross-platform sync increases user switching costs
  • Strong brand equity built on trust and Swiss privacy laws.
  • Robust, integrated ecosystem (VPN, Drive, Calendar, etc.).
  • Open-source transparency builds credibility.
Weaknesses
  • High-frequency widget instability post-update
  • Lack of regional holiday localization
  • 3.4★ Android rating gap
  • Premium tier exceeds category median
  • 0.7★ Android-iOS rating gap indicates platform-specific instability
  • Static app icon fails to display current date
  • High subscription cost relative to free alternatives
  • Lack of Android or Windows support
  • Feature complexity may overwhelm casual users
  • Intrusive audio ads in free tier
  • Lack of two-way sync with external calendars
  • Frequent post-update sync failures [Metric]
  • Search functionality failing to index recent content [Metric]
  • Mobile app crashes during long editing sessions
  • Forced AI elements disrupt core UI
  • Severe input lag and freezing post-update
  • Data synchronization failures causing list duplication
  • Android-iOS feature parity gap
  • Subscription billing transparency issues drive high-churn sentiment
  • Technical instability forces frequent application reinstallation
  • Subtask visibility gaps between desktop and mobile
  • Persistent mobile sync and performance bugs.
  • Inaccessible customer support for paid users.
  • UI/UX inconsistencies on mobile platforms.
Pricingfreefreemiumsubscriptionfreemiumfreemiumfreemiumfreemiumfreemiumfreemium
MomentumMaintenanceIntense-ActiveActiveActiveActiveActive-
Update Cadence5 versions, 1 majors/6mo, ~17d avg5 versions, ~10d avg-5 versions, 1 majors/6mo, ~7d avg5 versions, 3 majors/6mo, ~9d avg5 versions, ~5d avg5 versions, ~5d avg3 versions, 3 majors/6mo, ~21d avg-

Compare Zoho Calendar 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 Zoho Calendar, 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