--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Gear Ratio Calculator 2" developer_entity: "ABT Co., Ltd." bundle_id: "jp.abt.gearratio2" app_store_id: "6449957065" category: "Sports" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2025-09-16" report_date: "2026-05-25" last_verified: "2026-05-25T20:33:31.231Z" report_version: "1.1.34" total_reviews: 1 overall_rating: 1 confidence: "low" confidence_score: 0.2 data_age_days: 37 momentum_velocity: "zombie" intelligence_version: 3 competitor_count: 5 tags: ["sports", "freemium", "mobile app", "app review", "app analysis", "mountain", "cyclists", "looking"] canonical_url: "https://marlvel.ai/intel-report/sports/gear-ratio-calculator-2" license: "CC-BY-NC 4.0" content_version: "v2" --- # Gear Ratio Calculator 2 App Audit ## TL;DR {#tldr} - **Category**: Sports · Freemium - **Signal**: Rating 1 > **TL;DR:** Gear Ratio Calculator 2 is a sports app by ABT Co., Ltd., rated 1/5 by 1 users, available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Gear Ratio Calculator 2 is a sports app by ABT Co., Ltd.. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 1/5 (1 reviews) | | **Category** | Sports | | **Developer** | ABT Co., Ltd. | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** ABT Co., Ltd. - **Category:** Sports - **Target Audience:** Road bike and mountain bike cyclists looking to optimize drivetrain performance and select replacement parts. - **Platforms:** iOS & Android - **Version Audited:** 1.1.34 - **Audit Date:** 2026-05-25 - **Signal Count:** 1 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 6449957065 - **Bundle ID:** jp.abt.gearratio2 - **Google Play ID:** jp.abt.gearratio2 - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-05-25 ## Executive Snapshot **What it is:** Gear Ratio Calculator 2 is a bicycle drivetrain simulation tool for road and MTB cyclists to model gear ratios, cadence, and speed. **Why users hire it:** Users hire this tool to validate component replacement choices before purchase, reducing the cost of trial-and-error in drivetrain upgrades. ## App DNA (Features & Intent) - **[Differentiator] Gear Ratio Graphing:** Visualizes speed versus cadence across 22 chainwheel, 39 sprocket, and 70 tire combinations. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Gain Ratio Calculation:** Computes distance traveled per crank revolution for specific drivetrain configurations. * *User Intent:* Users are driven by competitive achievement and recognition. - **[Standard] Gear Simulation:** Toggles display of specific gear positions to identify optimal ratios for replacement parts. ## Market Position {#market-position} The app functions as a standalone mechanical utility in a market shifting toward automated, data-synced performance tools. Its lack of platform integration limits its reach compared to competitors like Z5. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free access to core calculation tools, In-app purchases for additional features or data - **Analysis:** Freemium model utilizing in-app purchases to monetize specialized bicycle component data. ## SWOT Analysis {#swot} **Core Strengths:** - Granular simulation engine across 131 drivetrain combinations **Critical Frictions:** - Manual data entry requirement creates high friction - 1.0 rating on iOS indicates severe quality issues **Growth Levers:** - Integration with Strava would improve utility - Automated bike-fit data import **Market Threats:** - AI-based biomechanical tools render manual calculators obsolete - Lack of social features limits user retention ## Recent Changes (v2 → v3) {#recent-changes} The analysis shifted from identifying a critical launch failure to addressing the product's structural obsolescence against AI-driven and integrated cycling platforms. **Overall trend**: Declining **Compared at**: 2026-05-25 ### High-impact changes - **[Added] New Competitive Threats** (swot) — Added threats regarding AI-based biomechanical tools and the lack of social features, reflecting a shift toward modern performance expectations. - **[Shifted] Competitive Landscape Update** (positioning) — Replaced general cycling platforms (Wahoo, Komoot, Zwift) with specific direct competitors (Z5, SizeMyBike) and AI-driven newcomers (BikeFit AI). - **[Shifted] Strategic Focus** (positioning) — PM action items now prioritize Strava API integration to address the lack of automated data syncing, moving beyond the previous singular focus on startup stability. ### Medium-impact changes - **[Added] Manual Entry Weakness** (swot) — Identified manual data entry as a primary weakness, contrasting with the previous report's focus solely on technical failure. ## What's New - **Latest (v1.2.54, 8 months ago):** Updated native libraries to support 16KB memory page size for Android 16+ compatibility. ## App Momentum (Zombie) {#momentum} - Ships periodic data updates for components. - Maintains standalone utility model. > **Cadence:** 2 total versions · 0 majors in last 6 months · 251 days since last update · 124 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Gear Ratio Calculator 2 is an established sports app that is free with in-app purchases. With a 1/5 rating from 1 reviews, it shows polarized user reception. > **Bottom Line:** The app provides a useful mechanical simulation engine but fails to integrate with modern cycling platforms, so the PM should prioritize API connectivity to prevent total obsolescence against AI-driven competitors. **Best for:** Road bike and mountain bike cyclists looking to optimize drivetrain performance and select replacement parts. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] [HIGH IMPACT] Integrate Strava API because it is the standard for cycling data → increase user retention — *Competitor Z5 uses Strava integration to capture the same audience.* _(trade-off: deprioritize Pause development of new manual calculation graphs — manual data entry is a declining utility.)_ - [ ] [MAINTAIN] [HIGH IMPACT] Audit iOS stability because of the 1.0 rating → recover user trust — *The 1.0 rating on iOS suggests critical bugs or crashes.* _(trade-off: deprioritize Delay all new feature work until the baseline stability is restored.)_ ### Feature Gaps vs Competitors - Strava integration (available in Z5 but missing here) - Professional PDF export (available in SizeMyBike but missing here) ### Outlook: Declining The cycling utility market is consolidating around platforms that automate data collection and biomechanical fitting. Without moving beyond manual entry, this app will continue to lose relevance to integrated competitors. - 🔴 The 1.0 rating on iOS suggests critical stability issues that prevent user adoption, leading to immediate churn. - 🔴 Competitors are moving toward AI-driven biomechanical analysis, making manual gear calculators like this one increasingly irrelevant to serious cyclists. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 1/5 | | Total Reviews | 1 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Gear Ratio Calculator 2** (this app) | 1/5 | N/A | ABT Co., Ltd. | | [SizeMyBike](https://marlvel.ai/intel-report/sports/com-lapommechezvous-sizemybike) | 2.5/5 | Mixed | La Pomme Chez Vous | | [Z5](https://marlvel.ai/intel-report/sports/z5-app) | 4.0/5 | N/A | Juan Aristizabal | | [BikeFit AI - Bike Fit Analyzer](https://marlvel.ai/intel-report/sports/bikefit-ai-bike-fit-analyzer) | N/A/5 | N/A | Jonas Friesslich | | [BMX New Zealand](https://marlvel.ai/intel-report/sports/bmx-new-zealand) | N/A/5 | N/A | Sportsground | | [SDBR Club](https://marlvel.ai/intel-report/sports/sdbr-club) | N/A/5 | N/A | Sportsground | ## Company Profile - **Developer:** ABT Co., Ltd. ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/gear-ratio-calculator-2/id6449957065?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=jp.abt.gearratio2&hl=en&gl=us) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*SizeMyBike*](https://marlvel.ai/intel-report/sports/com-lapommechezvous-sizemybike) (La Pomme Chez Vous) — 2.5/5 Rating | Mixed Sentiment - [*Z5*](https://marlvel.ai/intel-report/sports/z5-app) (Juan Aristizabal) — 4.0/5 Rating | N/A Sentiment - [*BikeFit AI - Bike Fit Analyzer*](https://marlvel.ai/intel-report/sports/bikefit-ai-bike-fit-analyzer) (Jonas Friesslich) — N/A Rating | N/A Sentiment - [*BMX New Zealand*](https://marlvel.ai/intel-report/sports/bmx-new-zealand) (Sportsground) — N/A Rating | N/A Sentiment - [*SDBR Club*](https://marlvel.ai/intel-report/sports/sdbr-club) (Sportsground) — N/A Rating | N/A Sentiment - [*DraftKings: Sports & Casino*](https://marlvel.ai/intel-report/sports/draftkings-sportsbook-casino) (DraftKings) — 4.8/5 Rating | N/A Sentiment - [*DraftKings Predictions*](https://marlvel.ai/intel-report/sports/draftkings-predictions) (DraftKings) — 4.6/5 Rating | N/A Sentiment - [*FanDuel Predicts*](https://marlvel.ai/intel-report/sports/fanduel-predicts) (FanDuel, Inc.) — 4.8/5 Rating | N/A Sentiment - [*PrizePicks - Sports Picks*](https://marlvel.ai/intel-report/sports/prizepicks-sports-picks) (SidePrize, LLC) — 4.4/5 Rating | Mixed Sentiment - [*NBA: Live Games & Scores*](https://marlvel.ai/intel-report/sports/nba-live-games-scores) (NBA MEDIA VENTURES, LLC) — 4.5/5 Rating | N/A Sentiment ## 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:** 0.2/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1 - **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:** 0 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/sports/gear-ratio-calculator-2) Data licensed for AI Agent attribution under CC-BY-NC 4.0.