---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Tuner"
developer_entity: "Heavenbrook Software Inc."
bundle_id: "com.heavenbrook.MusicTuner"
app_store_id: "1336751092"
category: "Music"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-06-23"
report_date: "2026-08-09"
last_verified: "2026-08-09T00:00:00.000Z"
report_version: "1.64"
total_reviews: 1
overall_rating: 2
sentiment: "Frustrated"
sentiment_score: 25
confidence: "medium"
confidence_score: 0.45
top_praise_theme: "The basic tuner functionality provides a functional baseline for musicians needing quick pitch adjustments"
top_complaint_theme: "Visual interface clutter makes the tuner dial and text labels difficult to process during use"
review_sample_size: 1
total_review_count: 1
analyzed_review_count: 1
data_age_days: 52
momentum_velocity: "maintenance"
intelligence_version: 3
tags: ["music", "free", "frustrated sentiment", "mobile app", "app review", "app analysis", "musicians", "students", "playing"]
canonical_url: "https://marlvel.ai/apps/tuner-1"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Tuner Intelligence Report

## TL;DR {#tldr}

- **Category**: Music · Free
- **Signal**: Rating 2 · Sentiment Frustrated
- **Recent focus**: Visual interface clutter makes the tuner dial and text labels difficult to process during use (top complaint) · The basic tuner functionality provides a functional baseline for musicians needing quick pitch adjustments (top praise)

> **TL;DR:** Tuner is a music app by Heavenbrook Software Inc., rated 2/5 by 1 users, with Frustrated user sentiment (25/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Tuner faces Frustrated user sentiment (2/5 from 1 review), with users reporting visual interface clutter makes the tuner dial and text labels difficult to process during use as the primary concern.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 2/5 (1 review) |
| **User Mood** | Frustrated |
| **Category** | Music |
| **Developer** | Heavenbrook Software Inc. |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Medium (0.45/1.0) |
| **Data Age** | 52d |

## Metadata & Market Performance
- **Publisher:** Heavenbrook Software Inc.
- **Category:** Music
- **Target Audience:** Musicians and students playing string instruments who require a combined tuning and rhythm practice tool.
- **Platforms:** iOS
- **Version Reviewed:** 1.64
- **Report Date:** 2026-08-09
- **Signal Count:** 1 review analyzed
- **Confidence:** Medium (0.45/1.0)
- **App Store ID (iOS):** 1336751092
- **Bundle ID:** com.heavenbrook.MusicTuner
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-08-09

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Music Tuner is a utility app for string instrument players that combines a pitch detector and a metronome on iOS.
**Why users hire it:** Users hire this app for quick, combined rhythm and pitch practice, but the current execution fails to deliver a reliable experience, so the user abandons the tool for more stable alternatives.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Instrument Tuner:** Detects frequency for guitar, bass, ukulele, pipa, violin, viola, and cello.
- **[Standard] Integrated Metronome:** Provides 20-200bpm tempo control with 2/4, 3/4, and 4/4 signatures.
  * *User Intent:* Users seek enhanced value through premium features.
- **[Standard] Full Range Detection:** Supports note detection from C0 to C8.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

The app maintains a low-visibility profile with a single review and a 2.0-star rating, signaling that the current feature set fails to meet the basic usability standards expected by the music-utility segment.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free
- **Analysis:** The app is currently listed as free with no visible IAP or subscription gates.

<!-- section:sentiment -->
## 🔴 User Sentiment (Medium Confidence: 1 of 1 review analyzed) {#user-sentiment}
- **Overall Rating:** 2/5
- **Platform Split:** iOS 2.0/5 (1 ratings)
- **Overall Sentiment:** Frustrated

### Top Praises
- **The basic tuner functionality provides a functional baseline for musicians needing quick pitch adjustments**

### Top Complaints (Impact Areas)

- **Visual interface clutter makes the tuner dial and text labels difficult to process during use**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Full C0-C8 detection range provides technical utility for a wide variety of string instruments.

**Growth Levers:**
- Refined UI/UX could capture users frustrated by the complexity of more advanced professional-grade tuning apps.


<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The app's competitive position has declined as the developer continues to prioritize minor feature updates over critical stability fixes, leading to a more critical assessment of its long-term viability.

**Overall trend**: Declining
**Compared at**: 2026-08-09

### High-impact changes
- **[Shifted] Critical framing of utility failure** (positioning)

### Medium-impact changes
- **[Added] Formalized technical strength** (swot)
- **[Declined] Negative correlation between updates and stability** (sentiment)

<!-- section:whats-new -->
## What's New

- **Latest (v1.64, 1 months ago):** Added instrument pitch customization.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Maintenance) {#momentum}

- Ships infrequent updates.
- Added instrument pitch customization in latest release.

> **Cadence:** 1 total versions · 1 majors in last 6 months · 46 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Tuner is a music app that is completely free.
It holds a 2/5 rating from 1 review.

<!-- speakable-start -->
> **Bottom Line:** Music Tuner provides a functional baseline for pitch detection, but the interface and audio performance issues drive immediate user frustration, so the developer must prioritize a UI overhaul and metronome stability to prevent total churn.
<!-- speakable-end -->

**Best for:** Musicians and students playing string instruments who require a combined tuning and rhythm practice tool.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [INVEST] Rebuild metronome audio engine because users report frequent freezing and low volume → increase session duration
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Declining

The music-utility category is consolidating around apps that offer high-fidelity audio and clean, distraction-free interfaces. Music Tuner's current maintenance-mode posture leaves it exposed to more responsive competitors, so the app will likely continue to lose visibility unless the developer addresses the core audio-freezing issues.

- 🔴 The latest update focused on minor pitch customization while ignoring core audio-freezing bugs, which accelerates user churn and erodes the app's baseline rating.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 2/5 |
| Total Reviews | 1 |
| Sentiment | Frustrated (25/100) |
| Confidence | Medium |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Declining |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Tuner** (this app) | 2/5 | Frustrated | Heavenbrook Software Inc. |
| [BandLab – Music Maker & Beats](https://marlvel.ai/apps/bandlab-music-maker-beats) | 4.8/5 | Excited | 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. |
| [イントリズム](https://marlvel.ai/apps/jp-rc-into-rhythm) | 3.5/5 | N/A | RedinC |

## Company Profile
- **Developer:** Heavenbrook Software Inc.
- **Website:** [https://www.heavenbrook.com](https://www.heavenbrook.com)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/tuner/id1336751092?uo=4)
- **Dev Site:** [Official Website](https://www.heavenbrook.com)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*BandLab – Music Maker & Beats*](https://marlvel.ai/apps/bandlab-music-maker-beats) (BandLab Singapore Pte Ltd) · 4.8/5 Rating | Positive Sentiment
- [*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
- [*100.3 The Wolf*](https://marlvel.ai/apps/100-3-the-wolf) (SummitMedia, LLC) · 4.1/5 Rating

## 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:** 0.45/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 1
- **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:** 52 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/tuner-1)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.