VA Calendar vs its rivals

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

VA Calendar
This App
ChatGPT
New Kid
Core Identity
DeveloperTom van ZummerenCoziGoogleINTSIG Information Co., LtdGinger LabsAnthropic PBCOpenAI OpCo, LLC
CategoryProductivityProductivityProductivityProductivityProductivityProductivityProductivity
PlatformAndroid, iOSiOS, AndroidAndroid, iOSiOSAndroid, iOSAndroid, iOSiOS, Android
Store Metrics
Rating0.0 / 54.8 / 54.5 / 54.9 / 54.8 / 54.7 / 54.8 / 5
Ratings Count0388,236129,7151,790,119446,840133,1408,310,950
PriceUSD1.99FreeFreeFreeFreeFreeFree
Release DateApr 1, 2017Dec 21, 2010Mar 10, 2015Aug 28, 2010Apr 1, 2010May 1, 2024May 18, 2023
Last UpdatedNov 22, 2023Apr 20, 2026May 4, 2026Apr 10, 2026May 4, 2026May 4, 2026Jun 23, 2026
Sentiment & Reviews
Sentimentpositivemixedmixedmixednegativemixednegative
Score75/10055/10045/10045/10025/10035/10025/100
Praises
  • Accurate location-based calculation of religious fasting and festival timings provides high utility for devotees
  • Shared family calendar and grocery lists provide essential coordination for busy households
  • Reliable scheduling and task management features keep daily routines organized for long-term users
  • Ease of Use
  • Scan Quality
  • AI-powered quiz generation provides efficient study tools for complex academic material
  • Advanced reasoning capabilities provide superior coding assistance and technical troubleshooting compared to alternative AI models
  • Empathetic and warm conversational tone creates a supportive experience for users seeking long-form creative writing
  • High-quality voice interaction features offer an engaging and immersive experience for listening to generated narratives
  • Helpful AI responses provide professional feedback and expand understanding of complex topics
  • Fast and accurate text generation speeds up writing and research tasks
Complaints
  • Application crashes and failure to load content following the latest update disrupt daily usage
  • Severe performance lag and freezing during list entry following the latest update
  • Post-update UI regressions and missing features frustrate users who rely on specific widget customizations
  • Aggressive Monetization
  • Data Loss & Support
  • Persistent note retrieval and synchronization failures render critical academic data inaccessible
  • Aggressive and opaque usage limits prevent consistent access for both free and paid subscribers
  • Frequent service degradation and maintenance errors disrupt professional workflows and daily usage
  • Accessibility regressions on mobile interfaces hinder navigation for users relying on screen readers
  • Overly aggressive content guardrails block benign images and artistic content
  • Restrictive usage limits on free and paid tiers frustrate consistent users
  • Declining model accuracy and frequent hallucinations erode trust in information
Requests
  • Expanded calendar export functionality to support long-term planning beyond the current year
  • Search functionality within the lists menu to quickly locate specific items
  • Dynamic app icon that updates to show the current date of the month
-
  • Hands-free Siri integration for verbal interaction with AI-generated study content
  • Custom voice pack selection would allow users to personalize their interaction experience
  • Image generation capabilities are requested to expand the utility of the platform for creative tasks
  • Transparent usage limits that do not penalize users for failed image generation attempts
Strategic Intel
Strengths
  • Partnership with Koninklijke Visio establishes specialized brand authority
  • 4x text scaling provides a functional barrier for generalist calendar apps
  • Ad-free model builds high user trust
  • Brand positioning entrenched in 'Mom's Choice' demographic
  • Shared-state architecture creates high user switching costs
  • Cross-platform accessibility via web and mobile
  • Native Android integration replaces default assistant triggers
  • Workspace ecosystem network effects drive high switching costs
  • Gmail event extraction automates scheduling friction
  • Massive 300M+ user base
  • 41-language OCR support
  • Advanced multi-format conversion (Excel, Word, PPT)
  • Audio-to-ink sync creates high switching costs
  • Multi-format annotation supports complex workflows
  • Superior long-context window handling for complex coding tasks
  • Empathetic, non-robotic tone for creative writing
  • High-fidelity voice mode for narrative listening
  • Official OpenAI brand status sustains organic install velocity
  • Cross-device history synchronization creates high switching costs
  • Advanced Voice Mode provides a tactile interface differentiator
Weaknesses
  • Premium tier at $1.99 price point above category median for casual users
  • Zero rating on iOS store suggests neglected platform maintenance
  • High crash rate post-update erodes daily utility
  • Severe input lag and freezing post-update
  • Data synchronization failures causing list duplication
  • Android-iOS feature parity gap
  • Premium tier exceeds category median
  • 0.7★ Android-iOS rating gap indicates platform-specific instability
  • Static app icon fails to display current date
  • Aggressive paywalling of legacy free features
  • Mandatory watermarks on free tier
  • Reports of data loss and poor support responsiveness
  • Persistent sync failures during study periods
  • Intrusive subscription prompts alienate users
  • Opaque usage limits causing multi-hour lockouts
  • Persistent service maintenance messages blocking professional workflows
  • Accessibility regressions on mobile navigation
  • Premium tier usage limits frustrate power users
  • 0.7★ Android-iOS rating gap indicates platform-specific stability issues
  • Aggressive image guardrails trigger high churn
Pricingpaidfreemiumfreemiumsubscriptionfreemiumfreemiumfreemium
MomentumMaintenanceActiveIntenseActiveIntenseActiveIntense
Update Cadence2 versions, ~802d avg5 versions, ~5d avg5 versions, ~10d avg5 versions, 1 majors/6mo, ~6d avg5 versions, 4 majors/6mo, ~7d avg5 versions, ~8d avg5 versions, ~4d avg

Compare VA 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 VA 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