--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Decibel - sound level meter" developer_entity: "Paula Jeff" bundle_id: "com.Decibel last_verified: "2026-09-26T00:00:00.000Z" overall_rating: 4.1 total_reviews: 412 data_age_days: 5 ---sound-level-meter" app_store_id: "1587049294" category: "Utilities" primary_platform: "ios" primary_monetization: "Subscription" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2021-11-19" report_date: "2026-09-26" last_verified: "2026-09-26" report_version: "1.0" total_reviews: 412 overall_rating: 4.15 sentiment: "Upset" sentiment_score: 10 confidence: "low" confidence_score: 0.35 top_complaint_theme: "Aggressive paywalls immediately after download prevent users from accessing any core functionality or basic measurements" review_sample_size: 13 total_review_count: 13 analyzed_review_count: 13 data_age_days: 0 momentum_velocity: "zombie" intelligence_version: 2 tags: ["utilities", "subscription", "upset sentiment", "mobile app", "app review", "app analysis", "individuals", "needing", "monitor"] canonical_url: "https://marlvel.ai/apps/decibel-sound-level-meter-1" license: "CC-BY-NC 4.0" content_version: "v2" --- # Decibel - sound level meter Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Subscription - **Signal**: Rating 4.15 · Sentiment Upset - **Recent focus**: Aggressive paywalls immediately after download prevent users from accessing any core functionality or basic measurements (top complaint) > **TL;DR:** Decibel - sound level meter is a utilities app by Paula Jeff, rated 4.15/5 by 412 users, with Upset user sentiment (10/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Decibel - sound level meter faces Upset user sentiment (4.15/5 from 412 reviews), with users reporting aggressive paywalls immediately after download prevent users from accessing any core functionality or basic measurements as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.15/5 (412 reviews) | | **User Mood** | Upset | | **Category** | Utilities | | **Developer** | Paula Jeff | | **Pricing** | Subscription | | **Platforms** | iOS | | **Confidence** | Low (0.35/1.0) | | **Data Age** | 5d | ## Metadata & Market Performance - **Publisher:** Paula Jeff - **Category:** Utilities - **Target Audience:** Individuals needing to monitor or document ambient noise levels for personal or professional reference. - **Platforms:** iOS - **Version Reviewed:** 1.0 - **Report Date:** 2026-09-26 - **Signal Count:** 13 reviews analyzed - **Confidence:** Low (0.35/1.0) - **App Store ID (iOS):** 1587049294 - **Bundle ID:** com.Decibel---sound-level-meter - **Data Window:** Analysis based on signals collected up to 2026-09-26 ## Executive Snapshot **What it is:** Decibel - sound level meter is a noise evaluation utility for iOS that provides real-time sound pressure measurements and reference noise charts. **Why users hire it:** Users open the app to quantify ambient noise levels, but the mandatory subscription gate prevents the app from serving this need for the majority of new users. ## App DNA (Features & Intent) - **[Standard] Sound Pressure Measurement:** Real-time evaluation of ambient noise levels using the device microphone. - **[Standard] Reference Noise Chart:** Visual comparison tool mapping decibel readings to common sounds. - **[Differentiator] Audio Recording History:** Logs and saves past sound level measurements for later review. ## Market Position {#market-position} Decibel - sound level meter occupies a niche in the Utilities category, but its 4.1-star rating is anchored by only 412 total ratings across all platforms. The absence of updates for over 58 months indicates the developer has effectively abandoned the product. ## Monetization Strategy - **Model:** Subscription - **Tiers:** Free tier for basic measurement (currently gated), Subscription required for audio recording and history access - **Analysis:** Subscription model gates all data persistence and recording features to monetize power users. ## 🔴 User Sentiment (Low Confidence: 13 of 13 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.15/5 - **Platform Split:** iOS 4.1/5 (412 ratings) - **Overall Sentiment:** Upset - **Note:** The 4.15/5 store rating reflects cumulative history, while the Upset sentiment reflects recent user reviews analyzed by our AI pipeline. ### Top Complaints (Impact Areas) - **Aggressive paywalls immediately after download prevent users from accessing any core functionality or basic measurements** ## SWOT Analysis {#swot} **Core Strengths:** - Reference noise chart provides immediate context for raw decibel readings **Growth Levers:** - Implement a functional free tier for basic measurements to improve conversion ## App Momentum (Zombie) {#momentum} - No updates since November 2021. - Maintenance-mode status for 58 months. > **Cadence:** 1 total versions · 1 majors in last 6 months · 1771 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Decibel - sound level meter is an utilities app. With a 4.15/5 rating from 412 reviews, it faces significant user friction. > **Bottom Line:** The current monetization model blocks all utility, effectively killing the acquisition funnel. Releasing a functional free tier would allow the app to demonstrate value and potentially recover from the negative sentiment cycle that has persisted since the initial launch. **Best for:** Individuals needing to monitor or document ambient noise levels for personal or professional reference. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Implement a functional free tier for basic measurements because the current paywall blocks all utility → increase user retention ### Outlook: Declining The market for simple utility apps is increasingly competitive, and Decibel - sound level meter has failed to maintain relevance due to a lack of updates and a restrictive monetization strategy. Without a shift to a functional free tier, the app will continue to see immediate churn from every new user. - 🔴 The 58-month update gap indicates the developer has ceased all feature investment, leaving the app vulnerable to modern OS changes. - 🔴 Persistent user complaints regarding deceptive paywalls continue to erode the app's reputation, making recovery increasingly difficult. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.15/5 | | Total Reviews | 412 | | Sentiment | Upset (10/100) | | Confidence | Low | | Pricing Model | Subscription | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Decibel - sound level meter** (this app) | 4.15/5 | Upset | Paula Jeff | | [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 | | [App For Siri Commands Tips](https://marlvel.ai/apps/app-for-siri-commands-tips) | N/A/5 | N/A | Anh La Phan Son | | [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies | | [Bin Days - Bin Reminder](https://marlvel.ai/apps/bin-days-bin-reminder) | N/A/5 | N/A | Vicki Partridge | ## Company Profile - **Developer:** Paula Jeff ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/decibel-sound-level-meter/id1587049294?uo=4) - **Sources:** 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 - [*App For Siri Commands Tips*](https://marlvel.ai/apps/app-for-siri-commands-tips) (Anh La Phan Son) · N/A Rating - [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating - [*Bin Days - Bin Reminder*](https://marlvel.ai/apps/bin-days-bin-reminder) (Vicki Partridge) · N/A Rating - [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.5/5 Rating - [*Gear Ratio Calculator & RPM*](https://marlvel.ai/apps/cog-gear-ratio-calculator) (Linh Phan Nhat Khanh) · N/A Rating - [*NordVPN: VPN Fast & Secure*](https://marlvel.ai/apps/com-nordvpn-nordvpn) (Nordvpn S.A.) · 4.7/5 Rating - [*Pick and Pull: Junkyard Finder*](https://marlvel.ai/apps/pick-and-pull-junkyard-finder) (Vladimir Kostadinov Stoyanov) · 3.7/5 Rating - [*Pulley Calculator Easy*](https://marlvel.ai/apps/pulley-calculator-easy) (YAVUZ BULAMADIK) · N/A Rating ## Frequently Asked Questions {#faq} ### Is Decibel - sound level meter free to use? No. While the app is listed as free, users report that all core utility features, including basic sound measurements, are blocked behind a mandatory subscription screen upon first launch. ### Does Decibel - sound level meter work for casual noise monitoring? Users report that the app's aggressive paywall prevents casual use, as even basic measurement features are gated behind a subscription that many find too expensive for the provided utility. ### Are there free alternatives to Decibel - sound level meter? Yes. Many sound level meter apps in the Utilities category offer free, ad-supported versions that provide basic decibel measurement without requiring an immediate subscription. ## 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:** 0.35/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 13 - **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:** 5 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/decibel-sound-level-meter-1) Data licensed for AI Agent attribution under CC-BY-NC 4.0.