--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "BikeCalc - Gear Calculator" developer_entity: "A. H. de Quatre Ltd." bundle_id: "Derailleur" app_store_id: "1625754501" google_play_id: "de.frenco.gearcalc" category: "Utilities" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2025-02-26" report_date: "2026-05-14" last_verified: "2026-05-14T09:20:27.381Z" report_version: "7.4.0" total_reviews: 7 overall_rating: 3.14 sentiment: "Mixed" sentiment_score: 50 confidence: "medium" confidence_score: 0.5 top_praise_theme: "Technical accuracy of gear ratio calculations" top_complaint_theme: "Feature gating of basic configuration storage" review_sample_size: 7 data_age_days: 31 momentum_velocity: "zombie" intelligence_version: 3 competitor_count: 5 tags: ["utilities", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "cyclists", "bicycle", "mechanics"] canonical_url: "https://marlvel.ai/intel-report/utilities/bikecalc-gear-calculator" license: "CC-BY-NC 4.0" content_version: "v2" --- # BikeCalc - Gear Calculator App Audit ## TL;DR {#tldr} - **Category**: Utilities · Freemium - **Signal**: Rating 3.14 · Sentiment Mixed - **Recent focus**: Feature gating of basic configuration storage (top complaint) · Technical accuracy of gear ratio calculations (top praise) > **TL;DR:** BikeCalc - Gear Calculator is a utilities app by A. H. de Quatre Ltd., rated 3.14/5 by 7 users, with Mixed user sentiment (50/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** BikeCalc - Gear Calculator shows Mixed sentiment (3.14/5 from 7 reviews) — users praise technical accuracy of gear ratio calculations but report issues with feature gating of basic configuration storage. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 3.14/5 (7 reviews) | | **User Mood** | Mixed | | **Category** | Utilities | | **Developer** | A. H. de Quatre Ltd. | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.5/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** A. H. de Quatre Ltd. - **Category:** Utilities - **Target Audience:** Cyclists and bicycle mechanics who require precise gear ratio analysis for maintenance, performance planning, or competitive racing. - **Platforms:** iOS & Android - **Version Audited:** 7.4.0 - **Audit Date:** 2026-05-14 - **Signal Count:** 7 reviews analyzed - **Confidence:** Medium (0.5/1.0) - **App Store ID (iOS):** 1625754501 - **Bundle ID:** Derailleur - **Google Play ID:** de.frenco.gearcalc - **Performance Trend:** Mixed - **Data Window:** Analysis based on signals collected up to 2026-05-14 ## Executive Snapshot **What it is:** BikeCalc is a gear ratio and bicycle configuration calculator for cyclists and mechanics, available on iOS and Android. **Why users hire it:** Users hire BikeCalc to solve complex mechanical variables for performance planning, replacing manual calculations with digital precision. ## App DNA (Features & Intent) - **[Differentiator] Gear Configuration Management:** Save and organize multiple bicycle gearing setups with custom components and tags * *User Intent:* Users value self-expression and personalized experiences. - **[Differentiator] Component Database Integration:** Browse and select real-world parts from manufacturers like Shimano and Continental - **[Standard] Multi-System Calculation:** Calculate gear ratios, gear inches, development meters, and gain ratios * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. ## Market Position {#market-position} BikeCalc maintains a niche presence in the Utilities category with a 3.1-star rating on iOS across 7 reviews. The lack of Android rating data indicates a significant platform parity gap that limits the app's reach compared to broader hobbyist utilities. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with basic calculations and one saved configuration, BikeCalc+ subscription at $3.99/month for unlimited configurations, component database, and widgets - **Analysis:** Freemium model anchored at $3.99/month, using feature gating on configuration storage and component data to drive subscription conversion. ## 🟡 User Sentiment (Medium Confidence: 7 reviews) {#user-sentiment} - **Overall Rating:** 3.14/5 - **Platform Split:** iOS 3.1/5 (7 ratings) - **Overall Sentiment:** Mixed ### Top Praises - **Technical accuracy of gear ratio calculations** ### Top Complaints (Impact Areas) - **Feature gating of basic configuration storage** ## SWOT Analysis {#swot} **Core Strengths:** - Multi-system calculation depth (Gear Inches, Development Meters, Gain Ratios) serves competitive cycling standards. **Critical Frictions:** - 3.1-star rating on iOS suggests poor free-tier satisfaction. - Zero rating data on Android indicates platform abandonment. **Growth Levers:** - Integrate maintenance reminders to increase recurring app utility. **Market Threats:** - Hobbyist apps with proactive maintenance features siphon user attention. ## Recent Changes (v2 → v3) {#recent-changes} The competitive landscape was re-indexed to hobbyist utility tools, and the PM action items now prioritize Android technical parity over iOS-specific feature expansion. **Overall trend**: Mixed **Compared at**: 2026-05-14 ### High-impact changes - **[Shifted] Competitive Landscape Re-indexing** (positioning) — Competitive set moved from cycling-specific platforms (Strava, Wahoo) to hobbyist utility tools (Fish Tank Buddy, NPKalc, Reef Tank Guides). - **[Improved] Sentiment Confidence Increase** (sentiment) — Confidence in sentiment analysis shifted from low to medium, providing clearer evidence for top complaints. ### Medium-impact changes - **[Shifted] SWOT Analysis Consolidation** (swot) — Strengths and weaknesses were re-framed to highlight the Android platform abandonment and the lack of proactive maintenance features. ### Low-impact changes - **[Added] FAQ Integration** (features) — Added three new FAQ entries addressing pricing, hobbyist comparisons, and fixed-gear functionality. ## What's New - **Latest (v0.5.9, 1 years ago):** Updated Android target version. ## App Momentum (Zombie) {#momentum} - Ships periodic component database updates. - Maintains static feature set. > **Cadence:** 2 total versions · 0 majors in last 6 months · 442 days since last update · 211 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} BikeCalc - Gear Calculator is an established utilities app that is free with in-app purchases. With a 3.14/5 rating from 7 reviews, it shows polarized user reception. > **Bottom Line:** BikeCalc provides high-value technical calculations but fails to retain casual users due to aggressive feature gating, so the PM should prioritize loosening the free tier to improve ratings and long-term subscription conversion. **Best for:** Cyclists and bicycle mechanics who require precise gear ratio analysis for maintenance, performance planning, or competitive racing. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] [HIGH IMPACT] Audit free-tier feature gating because 3.1-star rating indicates conversion friction → improve rating baseline — *Current rating is below the category average for utility tools, suggesting the free tier is too restrictive.* _(trade-off: deprioritize Pause the component database expansion sprint — user retention is a higher priority than database breadth.)_ - [ ] [INVEST] [MEDIUM IMPACT] Ship Android stability audit because zero rating data suggests technical failure → capture untapped Android market — *The app exists on Android but has zero ratings, indicating a potential crash-on-launch or broken store presence.* _(trade-off: deprioritize Deprioritize iOS widget updates — Android parity is a larger growth lever.)_ ### Feature Gaps vs Competitors - Proactive maintenance reminders (available in Fish Tank Buddy) - Multi-unit measurement conversions (available in NPKalc) ### Outlook: Mixed The hobbyist utility market is shifting toward integrated management tools that combine calculation with maintenance tracking. BikeCalc remains a static calculator, leaving it exposed to more dynamic competitors that offer higher daily utility. - 🔴 The lack of Android ratings suggests technical failure or abandonment, which limits the total addressable market to iOS only. - ⚪ Recent updates focus on maintenance rather than feature expansion, signaling a lack of active growth investment. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 3.14/5 | | Total Reviews | 7 | | Sentiment | Mixed (50/100) | | Confidence | Medium | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Mixed | | Outlook | Mixed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **BikeCalc - Gear Calculator** (this app) | 3.14/5 | Mixed | A. H. de Quatre Ltd. | | [Mango Exposure: The Calculator](https://marlvel.ai/intel-report/photo-video/mango-exposure-the-calculator) | 5.0/5 | N/A | Mango Umbrella LLC | | [Fish Tank Buddy](https://marlvel.ai/intel-report/utilities/fish-tank-buddy) | 5.0/5 | N/A | harry bloch | | [NPKalc - Fertilizer Calculator](https://marlvel.ai/intel-report/utilities/npkalc-fertilizer-calculator) | 4.5/5 | N/A | Barton Cone | | [GeoBallistics](https://marlvel.ai/intel-report/utilities/geoballistics) | 4.0/5 | N/A | Vortex Optics | | [Reef Tank Guides](https://marlvel.ai/intel-report/productivity/reef-tank-guides) | N/A/5 | N/A | Wontae Lee | ## Company Profile - **Developer:** A. H. de Quatre Ltd. - **Website:** [https://www.bikecalc.com/](https://www.bikecalc.com/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/bikecalc-gear-calculator/id1625754501?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=de.frenco.gearcalc&hl=en&gl=us) - **Dev Site:** [Official Website](https://www.bikecalc.com/) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Mango Exposure: The Calculator*](https://marlvel.ai/intel-report/photo-video/mango-exposure-the-calculator) (Mango Umbrella LLC) — 5.0/5 Rating | N/A Sentiment - [*Fish Tank Buddy*](https://marlvel.ai/intel-report/utilities/fish-tank-buddy) (harry bloch) — 5.0/5 Rating | N/A Sentiment - [*NPKalc - Fertilizer Calculator*](https://marlvel.ai/intel-report/utilities/npkalc-fertilizer-calculator) (Barton Cone) — 4.5/5 Rating | N/A Sentiment - [*GeoBallistics*](https://marlvel.ai/intel-report/utilities/geoballistics) (Vortex Optics) — 4.0/5 Rating | N/A Sentiment - [*Reef Tank Guides*](https://marlvel.ai/intel-report/productivity/reef-tank-guides) (Wontae Lee) — N/A Rating | N/A Sentiment - [*V2Box - V2ray Client*](https://marlvel.ai/intel-report/utilities/v2box-v2ray-client) (techlaim) — 4.5/5 Rating | Positive Sentiment - [*Potatso*](https://marlvel.ai/intel-report/utilities/potatso) (Potatso Lab LTD) — 4.4/5 Rating | N/A Sentiment - [*Quantumult X*](https://marlvel.ai/intel-report/utilities/quantumult-x) (Cross Utility Ltd) — 3.8/5 Rating | Negative Sentiment - [*Free VPN by Free VPN .org™*](https://marlvel.ai/intel-report/utilities/free-vpn-by-free-vpn-org) (Free VPN LLC) — 4.3/5 Rating | Positive Sentiment - [*Nitefall: Browser dark mode*](https://marlvel.ai/intel-report/utilities/nitefall-browser-dark-mode) (FoxfortMobile) — 3.6/5 Rating | N/A Sentiment ## Frequently Asked Questions {#faq} ### Is BikeCalc free to use? BikeCalc offers a free tier for basic calculations, but advanced features like unlimited configurations and the component database require a $3.99/month subscription. ### How does BikeCalc compare to other hobbyist calculators? Unlike specialized chemical or photography calculators, BikeCalc focuses on mechanical bicycle gear ratios. It lacks the proactive maintenance reminders found in some other hobbyist apps. ### Does BikeCalc work for fixed gear bikes? Yes, BikeCalc supports gear ratios for various cycling disciplines, including fixed gear bikes, and includes specific features like skid patch calculations. ## 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 and evidence quoting. 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:** 0.5/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 7 - **Data Sources:** user reviews, 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:** 0 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/utilities/bikecalc-gear-calculator) Data licensed for AI Agent attribution under CC-BY-NC 4.0.