--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "DeCalc: Combined Events Score" developer_entity: "Jun Ogino" bundle_id: "com.ogijun.DeCalc" app_store_id: "6779939129" category: "Sports" primary_platform: "ios" primary_monetization: "Free" offline_capable: true market_region: "US" platforms: "iOS" app_last_updated: "2026-06-15" report_date: "2026-09-20" last_verified: "2026-09-20T00:00:00.000Z" report_version: "1.0" total_reviews: 0 confidence: "low" confidence_score: 0.05 data_age_days: 11 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["sports", "free", "mobile app", "app review", "app analysis", "track", "field", "athletes,"] canonical_url: "https://marlvel.ai/apps/decalc-combined-events-score" license: "CC-BY-NC 4.0" content_version: "v2" --- # DeCalc: Combined Events Score Intelligence Report ## TL;DR {#tldr} - **Category**: Sports · Free > **TL;DR:** DeCalc: Combined Events Score is a sports app by Jun Ogino, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** DeCalc: Combined Events Score is a sports app by Jun Ogino. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Sports | | **Developer** | Jun Ogino | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 11d | ## Metadata & Market Performance - **Publisher:** Jun Ogino - **Category:** Sports - **Target Audience:** Track and field athletes, coaches, and meet officials requiring precise scoring calculations for combined events. - **Platforms:** iOS - **Version Reviewed:** 1.0 - **Report Date:** 2026-09-20 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 6779939129 - **Bundle ID:** com.ogijun.DeCalc - **Data Window:** Analysis based on signals collected up to 2026-09-20 ## Executive Snapshot **What it is:** DeCalc is a specialized scoring utility for track and field combined events that calculates points and target marks for athletes and officials on iOS. **Why users hire it:** The app removes the connectivity dependency of web-based scoring tools, providing a reliable, offline-first interface for high-stakes meet environments. ## App DNA (Features & Intent) - **[Standard] Combined Events Scoring:** Calculates points for Decathlon, Octathlon, Heptathlon, and Tetrathlon using official World Athletics formulas. - **[Differentiator] Reverse Calculation:** Determines the specific time or distance required to achieve this app total score. - **[Differentiator] Offline Functionality:** Operates without an internet connection, removing reliance on network availability at track meets. * *User Intent:* Users want uninterrupted access without internet dependency. ## Market Position {#market-position} DeCalc functions as a specialized sports utility with no public rating count, reflecting its niche focus on combined-event scoring. ## Monetization Strategy - **Model:** Free - **Tiers:** Fully free, no ads, no account required - **Analysis:** The app operates as a free utility with no monetization, ads, or account-gated features. ## SWOT Analysis {#swot} **Core Strengths:** - Offline-first architecture removes connectivity dependency - Reverse-calculation engine determines required marks for target scores - Discipline-specific input fields reduce manual entry friction **Growth Levers:** - Integration of historical performance tracking - Expansion into additional regional multi-event formats ## App Momentum (Maintenance) {#momentum} - Ships bug fixes only. - Last major release June 2026. > **Cadence:** 1 total versions · 0 majors in last 6 months · 97 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} DeCalc: Combined Events Score is a sports app that is completely free. > **Bottom Line:** DeCalc provides a reliable, offline-first utility for combined-event scoring, but its static development cycle limits its growth potential. Maintaining this niche position requires defending against web-based alternatives through improved social sharing features that capitalize on the app's field-side utility. **Best for:** Track and field athletes, coaches, and meet officials requiring precise scoring calculations for combined events. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship a 'Share Score' feature because social sharing is absent → increase organic discovery ### Outlook: Stable The market for specialized athletic scoring tools remains stable, with most users defaulting to web-based calculators. DeCalc's offline-first posture provides a reliable alternative that will retain its niche user base as long as the scoring formulas remain consistent. - ⚪ The maintenance-only release cadence suggests the developer views the current feature set as complete for its narrow target audience. - 🟢 The offline-first design remains a durable competitive advantage for field-side use where connectivity is unreliable. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **DeCalc: Combined Events Score** (this app) | N/A/5 | N/A | Jun Ogino | | [플레이공](https://marlvel.ai/apps/com-tychesoft-playball) | N/A/5 | N/A | Tychesoft | | [더블이글 - 요즘 골프예약](https://marlvel.ai/apps/com-albatrss-de) | 4.0/5 | N/A | Double Eagle Inc. | | [테니스타운](https://marlvel.ai/apps/com-momzit-tennistown) | 3.5/5 | N/A | link.tennistown | | [イッツゴーン！ボイス](https://marlvel.ai/apps/jp-co-gaora-itsgone) | N/A/5 | N/A | GAORA Inc. | | [トニーくんのビッグバンサーブ](https://marlvel.ai/apps/jp-hase-volley4) | 4.0/5 | N/A | hasegawa takuji | ## Company Profile - **Developer:** Jun Ogino ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/decalc-combined-events-score/id6779939129?uo=4) - **Sources:** App store metadata. ## Related Intel Reports - [*플레이공*](https://marlvel.ai/apps/com-tychesoft-playball) (Tychesoft) · N/A Rating - [*더블이글 - 요즘 골프예약*](https://marlvel.ai/apps/com-albatrss-de) (Double Eagle Inc.) · 4.0/5 Rating - [*테니스타운*](https://marlvel.ai/apps/com-momzit-tennistown) (link.tennistown) · 3.5/5 Rating - [*イッツゴーン！ボイス*](https://marlvel.ai/apps/jp-co-gaora-itsgone) (GAORA Inc.) · N/A Rating - [*トニーくんのビッグバンサーブ*](https://marlvel.ai/apps/jp-hase-volley4) (hasegawa takuji) · 4.0/5 Rating - [*00:36*](https://marlvel.ai/apps/00-36) (Adriaan de Jongh) · N/A Rating - [*하루 1루*](https://marlvel.ai/apps/randori-onebaseaday) (hyunseo kim) · 5.0/5 Rating - [*10,000 Shots*](https://marlvel.ai/apps/10-000-shots) (Jeremy Rupke) · 4.8/5 Rating - [*100 Climbs of Italy*](https://marlvel.ai/apps/100-climbs-of-italy) (100 Climbs limited) · N/A Rating - [*100 Climbs of Spain*](https://marlvel.ai/apps/100-climbs-of-spain) (100 Climbs limited) · N/A Rating ## Frequently Asked Questions {#faq} ### Does DeCalc work without an internet connection? Yes, DeCalc is designed for full offline functionality, making it reliable for use at track meets where internet connectivity may be limited. ### Is DeCalc free to use? Yes, DeCalc is a fully free utility with no ads, subscriptions, or account requirements. ### Which athletic events does DeCalc support? DeCalc supports Decathlon, Octathlon, Heptathlon, and Tetrathlon for men and women using official World Athletics scoring formulas. ## 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:** 0.05/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 11 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/decalc-combined-events-score) Data licensed for AI Agent attribution under CC-BY-NC 4.0.