--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Calenda - Simple Calendar App" developer_entity: "B TO J PTY LTD" bundle_id: "com.gamifiedapps.calenda" app_store_id: "1034118429" category: "Productivity" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-03-06" report_date: "2026-09-25" last_verified: "2026-09-25T00:00:00.000Z" report_version: "9.1" total_reviews: 139 overall_rating: 4.1 sentiment: "Upset" sentiment_score: 15 confidence: "low" confidence_score: 0.35 top_praise_theme: "The visual layout of the day, week, and month views provides a clear overview for scheduling" top_complaint_theme: "Critical data loss and authorization errors prevent users from accessing or saving their calendar information" review_sample_size: 19 total_review_count: 19 analyzed_review_count: 19 data_age_days: 5 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["productivity", "free", "upset sentiment", "mobile app", "app review", "app analysis", "individuals", "seeking", "minimalist"] canonical_url: "https://marlvel.ai/apps/calenda-simple-calendar-app" license: "CC-BY-NC 4.0" content_version: "v2" --- # Calenda - Simple Calendar App Intelligence Report ## TL;DR {#tldr} - **Category**: Productivity · Free - **Signal**: Rating 4.06 · Sentiment Upset - **Recent focus**: Critical data loss and authorization errors prevent users from accessing or saving their calendar information (top complaint) · The visual layout of the day, week, and month views provides a clear overview for scheduling (top praise) > **TL;DR:** Calenda - Simple Calendar App is a productivity app by B TO J PTY LTD, rated 4.06/5 by 139 users, with Upset user sentiment (15/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Calenda - Simple Calendar App faces Upset user sentiment (4.06/5 from 139 reviews), with users reporting critical data loss and authorization errors prevent users from accessing or saving their calendar information as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.06/5 (139 reviews) | | **User Mood** | Upset | | **Category** | Productivity | | **Developer** | B TO J PTY LTD | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.35/1.0) | | **Data Age** | 5d | ## Metadata & Market Performance - **Publisher:** B TO J PTY LTD - **Category:** Productivity - **Target Audience:** Individuals seeking a minimalist and visually customizable tool for daily schedule management. - **Platforms:** iOS - **Version Reviewed:** 9.1 - **Report Date:** 2026-09-25 - **Signal Count:** 19 reviews analyzed - **Confidence:** Low (0.35/1.0) - **App Store ID (iOS):** 1034118429 - **Bundle ID:** com.gamifiedapps.calenda - **Data Window:** Analysis based on signals collected up to 2026-09-25 ## Executive Snapshot **What it is:** Calenda is a minimalist calendar management tool for iOS that offers multiple schedule views and visual customization. **Why users hire it:** Users want a clean, distraction-free interface for daily planning, but the current build fails to provide the basic reliability required for a primary calendar tool. ## App DNA (Features & Intent) - **[Standard] Multiple Calendar Views:** Toggle between Day, Week, Month, and List layouts for schedule visualization - **[Differentiator] Customizable Design:** Adjust color schemes and font styles to modify the visual interface * *User Intent:* Users value self-expression and personalized experiences. - **[Standard] iCloud Syncing:** Automatic event updates across devices via iCloud integration * *User Intent:* Users expect seamless access across multiple devices. ## Market Position {#market-position} Calenda holds a 4.06 rating across 139 total ratings, but the lack of updates for 203 days signals a maintenance-only posture. The gap between the minimalist design promise and the reality of data-loss bugs prevents the app from competing with native system calendars. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is currently listed as free, though users report aggressive paywalls for core features. ## 🔴 User Sentiment (Low Confidence: 19 of 19 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.06/5 - **Platform Split:** iOS 4.1/5 (139 ratings) - **Overall Sentiment:** Upset - **Note:** The 4.06/5 store rating reflects cumulative history, while the Upset sentiment reflects recent user reviews analyzed by our AI pipeline. ### Top Praises - **The visual layout of the day, week, and month views provides a clear overview for scheduling** ### Top Complaints (Impact Areas) - **Critical data loss and authorization errors prevent users from accessing or saving their calendar information** ## SWOT Analysis {#swot} **Core Strengths:** - Minimalist interface design provides a clear visual overview of daily schedules **Growth Levers:** - Implementing a robust, bug-free event management system would differentiate Calenda from unstable niche calendar tools ## What's New - **Latest (v9.1, 6 months ago):** Optimized performance and efficiency. ## App Momentum (Maintenance) {#momentum} - Ships only maintenance and performance updates. - No major feature releases in 2026. > **Cadence:** 1 total versions · 0 majors in last 6 months · 203 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Calenda - Simple Calendar App is a productivity app that is completely free. With a 4.06/5 rating from 139 reviews, it faces significant user friction. > **Bottom Line:** Calenda must resolve critical data-loss and authorization bugs to restore basic utility, as the current state prevents the app from serving as a reliable calendar. Fixing these functional regressions would unlock the retention potential of the minimalist design. **Best for:** Individuals seeking a minimalist and visually customizable tool for daily schedule management. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Rebuild event management logic because data loss and deletion bugs are the top churn drivers → restore basic utility ### Outlook: Declining The productivity market is consolidating around stable, integrated calendar solutions, leaving Calenda exposed due to its lack of reliability. Without a shift to address core functional regressions, the app will continue to lose users to default system tools. - 🔴 Critical data loss and authorization errors in the latest release erode user trust, leading to consistent churn and negative sentiment. - 🔴 The six-month gap since the last meaningful update suggests the developer is in maintenance mode, leaving functional bugs unaddressed. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.06/5 | | Total Reviews | 139 | | Sentiment | Upset (15/100) | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Calenda - Simple Calendar App** (this app) | 4.06/5 | Upset | B TO J PTY LTD | | [ChatGPT](https://marlvel.ai/apps/chatgpt) | 4.8/5 | n/a | OpenAI OpCo, LLC | | [Clean Swell](https://marlvel.ai/apps/clean-swell) | 3.9/5 | n/a | Ocean Conservancy | | [HitWave](https://marlvel.ai/apps/ciendor-applications-hitwave) | 2.5/5 | Mixed | Ciendor Holdings Corp. LTD | | [Paper: Sketch, Draw & Create](https://marlvel.ai/apps/paper-sketch-draw-create) | 4.6/5 | N/A | Evernote Corporation | | [Perplexity - AI Search & Chat](https://marlvel.ai/apps/perplexity-ai-search-chat) | 4.8/5 | Mixed | Perplexity AI, Inc. | ## Company Profile - **Developer:** B TO J PTY LTD ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/calenda-simple-calendar-app/id1034118429?uo=4) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*ChatGPT*](https://marlvel.ai/apps/chatgpt) (OpenAI OpCo, LLC) · 4.8/5 Rating - [*Clean Swell*](https://marlvel.ai/apps/clean-swell) (Ocean Conservancy) · 3.9/5 Rating - [*HitWave*](https://marlvel.ai/apps/ciendor-applications-hitwave) (Ciendor Holdings Corp. LTD) · 2.5/5 Rating - [*Paper: Sketch, Draw & Create*](https://marlvel.ai/apps/paper-sketch-draw-create) (Evernote Corporation) · 4.6/5 Rating - [*Perplexity - AI Search & Chat*](https://marlvel.ai/apps/perplexity-ai-search-chat) (Perplexity AI, Inc.) · 4.8/5 Rating - [*ScreenZen- Screen Time Control*](https://marlvel.ai/apps/screenzen-screen-time-control) (ScreenZen LLC) · 4.8/5 Rating | Excellent Sentiment - [*SpaceDesk App*](https://marlvel.ai/apps/spacedesk-app) (Hawsabah) · N/A Rating - [*TeamViewer Remote Control*](https://marlvel.ai/apps/teamviewer-remote-control) (TeamViewer Germany GmbH) · 4.5/5 Rating - [*VPN 360: Fast & Secure Proxy*](https://marlvel.ai/apps/co-infinitysoft-vpn360) (Pango GmbH) · 4.5/5 Rating - [*VPN - Super Unlimited Proxy*](https://marlvel.ai/apps/vpn-super-unlimited-proxy) (Mobile Jump Pte Ltd) · 4.7/5 Rating | Excellent Sentiment ## Frequently Asked Questions {#faq} ### Is Calenda free to use? Calenda is listed as free, but users report that core features are gated behind paywalls, which has led to frustration regarding the value proposition. ### Does Calenda support event deletion? Users report that the app currently lacks a reliable way to delete events, which is a major source of frustration and a top-requested fix. ### Is Calenda reliable for daily scheduling? Recent reviews highlight critical data loss and authorization errors, suggesting the app is currently unreliable for primary schedule management. ### What are better alternatives to Calenda? Users seeking reliable calendar management should consider default system calendars or established productivity apps that offer stable sync and event management. ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps. 2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks. 3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes). 4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category. 5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights. - **Confidence Score:** 0.35/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 19 - **Data Sources:** user reviews, App Store metadata - **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform - **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence. - **Report Age:** 5 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/calenda-simple-calendar-app) Data licensed for AI Agent attribution under CC-BY-NC 4.0.