--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "SuperCal: Shared Calendar" developer_entity: "Charles Gresham" bundle_id: "com.allengresham.supercal" app_store_id: "6823792348" category: "Productivity" primary_platform: "ios" primary_monetization: "Subscription" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-11-05" report_date: "2026-11-10" last_verified: "2026-11-10T00:00:00.000Z" report_version: "1.0.1" total_reviews: 0 confidence: "low" confidence_score: 0.2 data_age_days: 5 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["productivity", "subscription", "mobile app", "app review", "app analysis", "individuals", "social", "groups"] canonical_url: "https://marlvel.ai/apps/supercal-shared-calendar" license: "CC-BY-NC 4.0" content_version: "v2" --- # SuperCal: Shared Calendar Intelligence Report ## TL;DR {#tldr} - **Category**: Productivity · Subscription > **TL;DR:** SuperCal: Shared Calendar is a productivity app by Charles Gresham, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** SuperCal: Shared Calendar is a productivity app by Charles Gresham. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Productivity | | **Developer** | Charles Gresham | | **Pricing** | Subscription | | **Platforms** | iOS | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 5d | ## Metadata & Market Performance - **Publisher:** Charles Gresham - **Category:** Productivity - **Target Audience:** Individuals and social groups seeking a unified, customizable calendar interface for coordinating shared plans. - **Platforms:** iOS - **Version Reviewed:** 1.0.1 - **Report Date:** 2026-11-10 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 6823792348 - **Bundle ID:** com.allengresham.supercal - **Data Window:** Analysis based on signals collected up to 2026-11-10 ## Executive Snapshot **What it is:** SuperCal is a shared calendar app for iOS and Mac that enables social event coordination and visual theme customization. **Why users hire it:** It removes the friction of manual event sharing between users of different calendar platforms by providing a unified social interface. ## App DNA (Features & Intent) - **[Differentiator] Shared Calendar Management:** Invite friends and share entire calendars with other users. * *User Intent:* Users seek social connection and competitive engagement with peers. - **[Differentiator] Custom Theme Engine:** Create and share visual themes with live preview, including control over blur, glow, and corner radius. * *User Intent:* Users seek social connection and competitive engagement with peers. - **[Standard] Multi-Calendar Integration:** View Google, Apple, iCloud, and Exchange events in a single read-only interface. * *User Intent:* Users expect seamless access across multiple devices. ## Market Position {#market-position} SuperCal occupies a niche in the productivity category by prioritizing social sharing over raw scheduling power. The $1.99/month subscription tier positions it against free native calendar apps, requiring a high-value social experience to justify the cost. ## Monetization Strategy - **Model:** Subscription - **Tiers:** Free tier with basic external event sharing, SuperCal Plus at $1.99/month or $11.99/year - **Analysis:** Subscription model anchored at $1.99/month, gating social and customization features behind the Plus tier. ## SWOT Analysis {#swot} **Core Strengths:** - Custom theme engine creates visual differentiation from standard system calendars **Growth Levers:** - Implementing write-access for third-party calendars would increase daily session frequency ## What's New - **Latest (v1.0.1, 4 days ago):** Introduced friend management, @handle search, calendar sharing, and cross-platform event exporting alongside a redesigned sidebar and long-press shortcuts. ## App Momentum (Maintenance) {#momentum} - Shipped friend management and calendar sharing. - Implemented @handle-based friend search. - Introduced guided tour for new users. > **Cadence:** 1 total versions · 1 majors in last 6 months · 4 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} SuperCal: Shared Calendar is a productivity app. > **Bottom Line:** SuperCal's visual-first design offers a unique social layer, but the read-only constraint on third-party calendars prevents it from becoming a primary scheduling tool. Unlocking write-access would transform the app from a secondary social viewer into a daily-use planner. **Best for:** Individuals and social groups seeking a unified, customizable calendar interface for coordinating shared plans. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Implement write-access for Google and Apple calendars because read-only constraints limit daily utility → increase retention ### Outlook: Stable The calendar market is consolidating around apps that offer deep integration with existing ecosystems. SuperCal's success depends on its ability to move beyond a read-only social layer and provide a full-featured scheduling experience, or it risks remaining a secondary utility. - 🟢 The latest release (v1.0.1) adds social management tools, showing active feature investment in the core collaborative value proposition. - ⚪ The app operates at a maintenance cadence, which may limit its ability to respond quickly to user feedback on calendar integration. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Subscription | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **SuperCal: Shared Calendar** (this app) | N/A/5 | N/A | Charles Gresham | | [HitWave](https://marlvel.ai/apps/ciendor-applications-hitwave) | 2.5/5 | Mixed | Ciendor Holdings Corp. LTD | | [ChatGPT](https://marlvel.ai/apps/chatgpt) | 4.8/5 | n/a | OpenAI OpCo, LLC | | [VPN 360: Fast & Secure Proxy](https://marlvel.ai/apps/co-infinitysoft-vpn360) | 4.5/5 | Mixed | Pango GmbH | | [VPN - Super Unlimited Proxy](https://marlvel.ai/apps/vpn-super-unlimited-proxy) | 4.7/5 | Thrilled | Mobile Jump Pte Ltd | | [Bookmarks - Send To Self](https://marlvel.ai/apps/bookmarks-send-to-self) | 4.4/5 | Excited | GILI | ## Company Profile - **Developer:** Charles Gresham - **Website:** [https://wolfy317-byte.github.io/supercal-site/](https://wolfy317-byte.github.io/supercal-site/) ## Data Sources & Links - **App Store ID:** 6823792348 - **Dev Site:** [Official Website](https://wolfy317-byte.github.io/supercal-site/) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*HitWave*](https://marlvel.ai/apps/ciendor-applications-hitwave) (Ciendor Holdings Corp. 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SuperCal currently offers read-only integration for Google Calendar, meaning you can view your events but cannot create or edit them within the app. It is designed as a companion for social sharing rather than a full replacement. ### Do I need to pay for SuperCal to share events? Basic external event sharing is free, but adding friends and sharing entire calendars requires a SuperCal Plus subscription at $1.99/month. ### Is SuperCal safe for my private calendar data? SuperCal states that your calendars are private and nothing is shared unless you explicitly choose to share it with specific friends. ### What are the best free alternatives to SuperCal? Users looking for free shared calendar functionality should consider native options like Apple Calendar or Google Calendar, which offer full read-and-write sync without subscription fees. ## 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:** 0.2/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** developer website, 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/supercal-shared-calendar) Data licensed for AI Agent attribution under CC-BY-NC 4.0.