--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Tuner: Guitar, Violin & Bass" developer_entity: "Anna Chernogorova" bundle_id: "Anna-Chernogorova.Free-tuner" app_store_id: "6778798719" category: "Music" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-08-20" report_date: "2026-09-12" last_verified: "2026-09-12T00:00:00.000Z" report_version: "1.0.1" total_reviews: 0 confidence: "low" confidence_score: 0.2 data_age_days: 27 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["music", "free", "mobile app", "app review", "app analysis", "musicians", "students", "playing"] canonical_url: "https://marlvel.ai/apps/tuner-guitar-violin-bass" license: "CC-BY-NC 4.0" content_version: "v2" --- # Tuner: Guitar, Violin & Bass Intelligence Report ## TL;DR {#tldr} - **Category**: Music · Free > **TL;DR:** Tuner: Guitar, Violin & Bass is a music app by Anna Chernogorova, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Tuner: Guitar, Violin & Bass is a music app by Anna Chernogorova. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Music | | **Developer** | Anna Chernogorova | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 27d | ## Metadata & Market Performance - **Publisher:** Anna Chernogorova - **Category:** Music - **Target Audience:** Musicians and students playing string, brass, or woodwind instruments who require a simple, ad-free tuning utility. - **Platforms:** iOS - **Version Reviewed:** 1.0.1 - **Report Date:** 2026-09-12 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 6778798719 - **Bundle ID:** Anna-Chernogorova.Free-tuner - **Data Window:** Analysis based on signals collected up to 2026-09-12 ## Executive Snapshot **What it is:** Tuner: Guitar, Violin & Bass is a free, ad-free chromatic tuning utility for string, brass, and woodwind instruments on iOS. **Why users hire it:** The utility removes the friction of ads and account sign-ups, serving musicians who require an immediate, stable pitch readout during practice sessions. ## App DNA (Features & Intent) - **[Standard] Chromatic Tuning:** Detects all 12 notes across a wide range for any instrument including guitar, bass, violin, and voice. - **[Standard] Visual Tuning Feedback:** Screen turns green when the note is in tune, providing instant visual confirmation. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Adjustable Reference Pitch:** Allows manual adjustment of A4 reference pitch between 415 and 466 Hz. ## Market Position {#market-position} Tuner: Guitar, Violin & Bass occupies the zero-monetization niche of the music utility category, relying on simplicity to differentiate from ad-supported rivals. The current maintenance-only release cadence suggests a focus on stability rather than aggressive market share expansion. ## Monetization Strategy - **Model:** Free - **Tiers:** 100% free, no ads, no paywall - **Analysis:** The app operates as a completely free utility with no monetization gates or ad inventory. ## SWOT Analysis {#swot} **Core Strengths:** - Ad-free, no-account interface reduces user friction - Chromatic detection supports diverse instrument range **Growth Levers:** - Localized support could expand reach to non-English markets ## What's New - **Latest (v1.0.1, 3 weeks ago):** Added user-selectable accidental notation (sharps or flats) and an in-app rating prompt. ## App Momentum (Maintenance) {#momentum} - Shipped accidental notation toggle. - Integrated in-app rating prompt. > **Cadence:** 1 total versions · 0 majors in last 6 months · 22 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Tuner: Guitar, Violin & Bass is a music app that is completely free. > **Bottom Line:** The absence of monetization gates creates a high-trust experience, but the maintenance-only update cycle risks stagnation against competitors that integrate social or educational features. **Best for:** Musicians and students playing string, brass, or woodwind instruments who require a simple, ad-free tuning utility. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship social sharing feature because current growth relies solely on organic store discovery → increase install velocity ### Outlook: Stable The music utility market is consolidating around tools that offer either advanced educational content or high-frequency live-ops updates. Tuner: Guitar, Violin & Bass remains stable in its current niche, but the lack of a growth-oriented roadmap leaves it vulnerable to rivals that leverage social features to drive retention. - ⚪ The latest release (v1.0.1) focuses on minor settings polish, confirming a maintenance-only cadence that prioritizes stability over new feature expansion. ## 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 | | :--- | :--- | :--- | :--- | | **Tuner: Guitar, Violin & Bass** (this app) | N/A/5 | N/A | Anna Chernogorova | | [SyncTimer - Ensemble Stopwatch](https://marlvel.ai/apps/synctimer-ensemble-stopwatch) | 5.0/5 | Thrilled | Sebastian Suarez-Solis | | [BandLab – Music Maker & Beats](https://marlvel.ai/apps/bandlab-music-maker-beats) | 4.8/5 | n/a | BandLab Singapore Pte Ltd | | [Suno - AI Songs, Music, Lyrics](https://marlvel.ai/apps/suno-ai-songs-music) | 4.0/5 | Mixed | Suno, Inc. | | [ヨルシカ](https://marlvel.ai/apps/com-yorushika-sp) | 4.8/5 | N/A | Fanplus, Inc. | | [あいみょん](https://marlvel.ai/apps/net-aimyong-sp) | 4.5/5 | N/A | Fanplus, Inc. | ## Company Profile - **Developer:** Anna Chernogorova - **Website:** [https://rhythmchallenge.app/](https://rhythmchallenge.app/) - **Social:** [Instagram](https://www.instagram.com/rhythmchallengeapp) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/tuner-guitar-violin-bass/id6778798719?uo=4) - **Dev Site:** [Official Website](https://rhythmchallenge.app/) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*SyncTimer - Ensemble Stopwatch*](https://marlvel.ai/apps/synctimer-ensemble-stopwatch) (Sebastian Suarez-Solis) · 5.0/5 Rating | Excellent Sentiment - [*BandLab – Music Maker & Beats*](https://marlvel.ai/apps/bandlab-music-maker-beats) (BandLab Singapore Pte Ltd) · 4.8/5 Rating - [*Suno - AI Songs, Music, Lyrics*](https://marlvel.ai/apps/suno-ai-songs-music) (Suno, Inc.) · 4.0/5 Rating - [*ヨルシカ*](https://marlvel.ai/apps/com-yorushika-sp) (Fanplus, Inc.) · 4.8/5 Rating - [*あいみょん*](https://marlvel.ai/apps/net-aimyong-sp) (Fanplus, Inc.) · 4.5/5 Rating - [*イントリズム*](https://marlvel.ai/apps/jp-rc-into-rhythm) (RedinC) · 3.5/5 Rating - [*クリープハイプ*](https://marlvel.ai/apps/creephyp-sp-browsingapp) (Fanplus, Inc.) · N/A Rating - [*マカロニえんぴつ*](https://marlvel.ai/apps/com-macaroniempitsu-fc) (Fanplus, Inc.) · 3.1/5 Rating - [*100.1 Jack FM*](https://marlvel.ai/apps/100-1-jack-fm) (NRG Media) · 1.0/5 Rating - [*100.1 WJRZ*](https://marlvel.ai/apps/100-1-wjrz) (Beasley Broadcast Group) · 4.8/5 Rating | Excellent Sentiment ## Frequently Asked Questions {#faq} ### Is Tuner: Guitar, Violin & Bass completely free? Yes, the app is 100% free with no ads, no paywalls, and no account requirements. ### Does this app work for instruments other than guitar? Yes, the chromatic tuner detects all 12 notes, making it suitable for guitar, bass, violin, cello, ukulele, mandolin, brass, woodwinds, and voice. ### What is the difference between this and other tuning apps? Unlike many competitors that rely on ad-supported models or subscription gates, this app offers a distraction-free, ad-free experience without requiring user accounts. ## 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:** 27 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/tuner-guitar-violin-bass) Data licensed for AI Agent attribution under CC-BY-NC 4.0.