---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "SoundTach"
developer_entity: "Xcarab"
bundle_id: "com.xcarab.soundtach"
app_store_id: "6755052370"
category: "Utilities"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2026-04-29"
report_date: "2026-09-13"
last_verified: "2026-09-13T00:00:00.000Z"
report_version: "1.3.0"
total_reviews: 64
overall_rating: 3.3
sentiment: "Frustrated"
sentiment_score: 35
confidence: "high"
confidence_score: 0.7
top_praise_theme: "Engine diagnostic accuracy provides reliable RPM readings for single cylinder and four stroke engines"
top_complaint_theme: "Paywall implementation immediately after installation frustrates users who expected a free utility tool"
review_sample_size: 20
total_review_count: 20
analyzed_review_count: 20
data_age_days: 24
momentum_velocity: "maintenance"
intelligence_version: 2
tags: ["utilities", "freemium", "frustrated sentiment", "mobile app", "app review", "app analysis", "mechanics,", "motorcycle", "enthusiasts,"]
canonical_url: "https://marlvel.ai/apps/soundtach"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# SoundTach Intelligence Report

## TL;DR {#tldr}

- **Category**: Utilities · Freemium
- **Signal**: Rating 3.28 · Sentiment Frustrated
- **Recent focus**: Paywall implementation immediately after installation frustrates users who expected a free utility tool (top complaint) · Engine diagnostic accuracy provides reliable RPM readings for single cylinder and four stroke engines (top praise)

> **TL;DR:** SoundTach is a utilities app by Xcarab, rated 3.28/5 by 64 users, with Frustrated user sentiment (35/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** SoundTach faces Frustrated user sentiment (3.28/5 from 64 reviews), with users reporting paywall implementation immediately after installation frustrates users who expected a free utility tool as the primary concern.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 3.28/5 (64 reviews) |
| **User Mood** | Frustrated |
| **Category** | Utilities |
| **Developer** | Xcarab |
| **Pricing** | Freemium |
| **Platforms** | iOS & Android |
| **Confidence** | High (0.7/1.0) |
| **Data Age** | 24d |

## Metadata & Market Performance
- **Publisher:** Xcarab
- **Category:** Utilities
- **Target Audience:** DIY mechanics, motorcycle enthusiasts, and small engine owners needing to tune equipment without dedicated hardware.
- **Platforms:** iOS & Android
- **Version Reviewed:** 1.3.6
- **Report Date:** 2026-09-13
- **Signal Count:** 20 reviews analyzed
- **Confidence:** High (0.7/1.0)
- **App Store ID (iOS):** 6755052370
- **Bundle ID:** com.xcarab.soundtach
- **Google Play ID:** com.xcarab.soundtach
- **Data Window:** Analysis based on signals collected up to 2026-09-13
- **Short Description:** Measure motorcycle & engine RPM from exhaust sound. No OBD adapter needed.

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** SoundTach is a utility app for iOS and Android that calculates engine RPM using audio frequency analysis.
**Why users hire it:** It removes the need for physical OBD adapters or dedicated tachometers during routine maintenance on small engines.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Audio-based RPM Detection:** Analyzes exhaust sound frequencies to calculate engine speed without external hardware.
- **[Differentiator] Automatic Gain and Filtering:** Normalizes audio input and removes background noise without manual threshold tuning.
  * *User Intent:* Users want to quickly find relevant content or features.
- **[Standard] Signal Quality Indicator:** Provides real-time feedback on audio capture quality to guide user positioning.
  * *User Intent:* Users need clear guidance to understand and adopt the product quickly.
<!-- /section:features -->

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

SoundTach holds a niche position in the Utilities category, with a 3.85 rating on iOS and a 3.21 rating on Android. The lack of recent feature updates limits its ability to compete for chart share against more active diagnostic tools.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free 7-day trial with unlimited measurements
- **Analysis:** The freemium model uses a time-limited trial to convert users who require ongoing diagnostic capabilities, but the immediate paywall trigger creates significant user frustration.

<!-- section:sentiment -->
## 🔴 User Sentiment (High Confidence: 20 of 20 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 3.28/5
- **Platform Split:** iOS 3.9/5 (7 ratings) | Android 3.2/5 (57 ratings)
- **Overall Sentiment:** Frustrated

### Top Praises
- **Engine diagnostic accuracy provides reliable RPM readings for single cylinder and four stroke engines**

### Top Complaints (Impact Areas)

- **Paywall implementation immediately after installation frustrates users who expected a free utility tool**

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

**Core Strengths:**
- Audio-based RPM detection removes the need for physical OBD adapters.
- Automatic gain and filtering normalization simplifies usage for non-technical DIY mechanics.

**Growth Levers:**
- Inline six engine support would expand the addressable market into larger automotive engine tuning.


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

- **Latest (v1.3.0, 8 months ago):** Expanded global reach with additional language support.
<!-- /section:whats-new -->

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

- Ships minor bug fixes only.
- No new features in 136 days.

> **Cadence:** 2 total versions · 0 majors in last 6 months · 136 days since last update · 110 days avg between updates

<!-- /section:momentum -->

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

SoundTach is an utilities app that is free with in-app purchases.
With a 3.28/5 rating from 64 reviews, it faces significant user friction.

<!-- speakable-start -->
> **Bottom Line:** SoundTach's audio-analysis mechanism provides a clear utility for small-engine tuning, but the aggressive paywall trigger creates a conversion funnel that alienates this app DIY audience. Reframing the trial to allow initial validation would unlock the retention potential currently suppressed by early-stage monetization friction.
<!-- speakable-end -->

**Best for:** DIY mechanics, motorcycle enthusiasts, and small engine owners needing to tune equipment without dedicated hardware.

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

- [ ] [PIVOT] Pivot paywall trigger to post-measurement because users report being blocked before validating accuracy → increase conversion
<!-- /section:pm-actions -->

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

The diagnostic utility market is consolidating around tools that offer transparent trial experiences. SoundTach's current maintenance-mode cadence and aggressive paywall leave it exposed to churn, as users prioritize reliability over the current friction-heavy onboarding flow.

- 🔴 The 136-day gap in feature development suggests a lack of active investment, which erodes the competitive edge against more frequently updated diagnostic tools.
- 🔴 Persistent user frustration regarding the paywall trigger indicates that the current monetization strategy is actively suppressing the app's growth potential.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 3.28/5 |
| Total Reviews | 64 |
| Sentiment | Frustrated (35/100) |
| Confidence | High |
| Pricing Model | Freemium |
| Platforms | iOS & Android |
| Key Features | 3 analyzed |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **SoundTach** (this app) | 3.28/5 | Frustrated | Xcarab |
| [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.8/5 | N/A | Cat Connect |
| [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.6/5 | n/a | techlaim |
| [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies |
| [Free VPN by Free VPN .org™](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) | 4.5/5 | Mixed | Free VPN LLC |
| [Fusvob VPN : Super VPN 2026](https://marlvel.ai/apps/com-toplinkc-foxexcellent) | 4.5/5 | Mixed | Fuxin Technology |

## Company Profile
- **Developer:** Xcarab
- **Website:** [https://soundtach.com](https://soundtach.com)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/soundtach/id6755052370?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.xcarab.soundtach)
- **Dev Site:** [Official Website](https://soundtach.com)
- **Sources:** Developer website content, About us / company information, App store metadata, User reviews.

## Related Intel Reports
- [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.8/5 Rating
- [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating
- [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating
- [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.5/5 Rating
- [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.5/5 Rating
- [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) · 4.4/5 Rating
- [*Quantumult X*](https://marlvel.ai/apps/quantumult-x) (Cross Utility Ltd) · 3.8/5 Rating
- [*VPN 365-Master WIFI Security*](https://marlvel.ai/apps/vpn-365-master-wifi-security) (vpn fast) · 4.6/5 Rating
- [*카톡 분석 - 오픈채팅, 카톡 채팅 분석, 통계, 검색*](https://marlvel.ai/apps/com-liger-katalkanalysispaid) (Park Sung Cheol) · N/A Rating
- [*로또 황금번호 생성기*](https://marlvel.ai/apps/lotto-lottogold) (jaehwan lee) · N/A Rating

## Frequently Asked Questions {#faq}

### Is SoundTach accurate for small engines?

Users report that SoundTach provides reliable RPM readings for single-cylinder and four-stroke engines, though some report inconsistent results depending on the engine configuration.

### Does SoundTach require an OBD adapter?

No, SoundTach uses audio frequency analysis to detect engine RPM, removing the need for any external hardware or OBD adapters.

### Is there a free version of SoundTach?

SoundTach offers a 7-day free trial with unlimited measurements, but users report that the payment screen appears immediately after installation.

### What are the alternatives to SoundTach?

Users looking for engine tuning tools often consider dedicated physical tachometers or OBD-based diagnostic apps, though SoundTach is marketed as a hardware-free alternative.

## 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:** 0.7/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 20
- **Data Sources:** user reviews, developer website, company about page, 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:** 24 days since last refresh

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