--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Spoke Tension by Ear" developer_entity: "Shuhei Yamamoto" bundle_id: "com.shuheilocale.SpokeTune" app_store_id: "6790387224" category: "Sports" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-08-11" report_date: "2026-09-16" last_verified: "2026-09-16T00:00:00.000Z" report_version: "1.0.2" total_reviews: 0 confidence: "low" confidence_score: 0.05 data_age_days: 15 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["sports", "freemium", "mobile app", "app review", "app analysis", "road,", "gravel,", "riders"] canonical_url: "https://marlvel.ai/apps/spoke-tension-by-ear" license: "CC-BY-NC 4.0" content_version: "v2" --- # Spoke Tension by Ear Intelligence Report ## TL;DR {#tldr} - **Category**: Sports · Freemium > **TL;DR:** Spoke Tension by Ear is a sports app by Shuhei Yamamoto, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Spoke Tension by Ear is a sports app by Shuhei Yamamoto. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Sports | | **Developer** | Shuhei Yamamoto | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 15d | ## Metadata & Market Performance - **Publisher:** Shuhei Yamamoto - **Category:** Sports - **Target Audience:** Road, gravel, and MTB riders who perform their own wheel maintenance and want to avoid the cost of a dedicated physical tensiometer. - **Platforms:** iOS - **Version Reviewed:** 1.0.2 - **Report Date:** 2026-09-16 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 6790387224 - **Bundle ID:** com.shuheilocale.SpokeTune - **Data Window:** Analysis based on signals collected up to 2026-09-16 ## Executive Snapshot **What it is:** Spoke Tension by Ear is a diagnostic utility for cyclists that maps spoke tension balance via acoustic pitch analysis on iOS. **Why users hire it:** The app removes the $100+ financial barrier of a physical tensiometer for riders who only perform occasional wheel maintenance. ## App DNA (Features & Intent) - **[Differentiator] Acoustic Tension Analysis:** Maps spoke pitch to a wheel-shaped radar chart using microphone input and FFT analysis. - **[Differentiator] Correction Guidance:** Provides specific turn-direction and magnitude instructions for spoke adjustment, gated as a one-time Pro purchase. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] Estimated Tension Calculation:** Converts pitch to kgf values based on user-inputted spoke specs, gated as a one-time Pro purchase. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Spoke Tension by Ear occupies the low-cost diagnostic niche in the cycling maintenance category. The freemium model prioritizes user acquisition by providing unlimited diagnostic radar charts for free, while monetizing advanced repair guidance via a one-time purchase. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free: Unlimited measurement, radar visualization, and balance scoring., Pro: One-time purchase for correction guidance, kgf estimation, and history export. - **Analysis:** The one-time purchase model targets DIY mechanics who avoid recurring subscription costs for occasional maintenance tools. ## SWOT Analysis {#swot} **Core Strengths:** - Acoustic FFT analysis provides a zero-hardware barrier to entry for tension diagnostics. - One-time purchase model lowers the switching cost for occasional DIY mechanics. **Growth Levers:** - Localized marketing toward gravel and MTB segments where wheel maintenance frequency is high. ## What's New - **Latest (v1.0.2, 1 months ago):** Added a microphone input level meter for real-time monitoring and improved spoke pluck detection sensitivity. ## App Momentum (Maintenance) {#momentum} - Shipped microphone sensitivity improvements. - Added real-time input level monitoring. > **Cadence:** 1 total versions · 0 majors in last 6 months · 36 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Spoke Tension by Ear is a sports app that is free with in-app purchases. > **Bottom Line:** Spoke Tension by Ear successfully lowers the barrier to wheel maintenance by replacing expensive hardware with acoustic diagnostics. Focusing on user education for the Pro-tier repair guidance will unlock higher conversion rates among DIY mechanics who currently rely on the free diagnostic tier. **Best for:** Road, gravel, and MTB riders who perform their own wheel maintenance and want to avoid the cost of a dedicated physical tensiometer. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Invest in a tutorial content series for the Pro-tier correction guidance because the Pro-tier conversion depends on user trust in the repair instructions → increase conversion rate. ### Outlook: Stable The cycling maintenance market is increasingly shifting toward accessible, software-based diagnostics that remove the need for expensive, specialized tools. Spoke Tension by Ear is well-positioned to capture the DIY segment, provided the Pro-tier guidance remains accurate enough to build user trust in the repair workflow. - 🟢 Recent updates refining microphone sensitivity for real-world environments demonstrate active maintenance of the core diagnostic utility. - ⚪ The one-time purchase model provides a stable, low-friction entry point for the DIY cycling segment, ensuring long-term user retention. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Spoke Tension by Ear** (this app) | N/A/5 | N/A | Shuhei Yamamoto | | [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:** Shuhei Yamamoto ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/spoke-tension-by-ear/id6790387224?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} ### Is Spoke Tension by Ear accurate enough for professional wheelbuilding? The app provides relative tension balance and estimated kgf figures based on pitch, which are useful for touch-ups. However, professional wheelbuilders typically require calibrated physical tensiometers for absolute accuracy. ### Does Spoke Tension by Ear work without an internet connection? Yes, the app runs entirely on the iPhone and does not require a network connection to perform measurements. ### What is the difference between the free and Pro versions? The free version includes unlimited measurement, radar visualization, and balance scoring. The Pro version adds correction guidance, estimated tension in kgf, and history export. ### Can I use this app to true my wheel? No, Spoke Tension by Ear measures tension balance but does not measure rim runout. It is not a substitute for a truing stand. ## 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:** 15 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/spoke-tension-by-ear) Data licensed for AI Agent attribution under CC-BY-NC 4.0.