--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Decibel Sound Meter: dB SPL" developer_entity: "Grima Hdez" bundle_id: "com.mattialaspina.soundmeter" app_store_id: "1501310833" category: "Productivity" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-09-17" report_date: "2026-09-28" last_verified: "2026-09-28T00:00:00.000Z" report_version: "1.7.0" total_reviews: 4 overall_rating: 4.8 confidence: "low" confidence_score: 0.2 data_age_days: 2 momentum_velocity: "steady" intelligence_version: 2 tags: ["productivity", "freemium", "mobile app", "app review", "app analysis", "users", "requiring", "auxiliary"] canonical_url: "https://marlvel.ai/apps/decibel-sound-meter-db-spl" license: "CC-BY-NC 4.0" content_version: "v2" --- # Decibel Sound Meter: dB SPL Intelligence Report ## TL;DR {#tldr} - **Category**: Productivity · Freemium - **Signal**: Rating 4.75 > **TL;DR:** Decibel Sound Meter: dB SPL is a productivity app by Grima Hdez, rated 4.75/5 by 4 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Decibel Sound Meter: dB SPL is a productivity app by Grima Hdez. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.75/5 (4 reviews) | | **Category** | Productivity | | **Developer** | Grima Hdez | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 2d | ## Metadata & Market Performance - **Publisher:** Grima Hdez - **Category:** Productivity - **Target Audience:** Users requiring auxiliary tools for environmental noise quantification and sound pollution studies. - **Platforms:** iOS - **Version Reviewed:** 1.7.0 - **Report Date:** 2026-09-28 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 1501310833 - **Bundle ID:** com.mattialaspina.soundmeter - **Data Window:** Analysis based on signals collected up to 2026-09-28 ## Executive Snapshot **What it is:** Decibel Sound Meter: dB SPL is a productivity tool for environmental noise quantification on iOS, featuring standard-compliant decibel weighting and real-time trend visualization. **Why users hire it:** The app removes the friction of manual acoustic data collection by providing a calibrated, standard-compliant interface for quick environmental noise assessment. ## App DNA (Features & Intent) - **[Differentiator] A-Weighting and Fast Time Weighting:** Applies IEC 61672-1:2013 standard weighting to microphone input. - **[Differentiator] Automatic Calibration:** Adjusts microphone sensitivity for device-specific hardware offsets. - **[Standard] Noise Level Visualization:** Displays real-time decibel values and trend charts. ## Market Position {#market-position} Decibel Sound Meter: dB SPL maintains a 4.75-star rating on the App Store, positioning itself as a technical utility rather than a mass-market casual tool. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with basic measurement tools, Professional mode (in-app purchase) - **Analysis:** The freemium model gates professional-grade features behind an in-app purchase, though the core measurement tools remain accessible. ## SWOT Analysis {#swot} **Core Strengths:** - IEC 61672-1:2013 standard compliance provides technical authority - Automatic calibration mitigates device-specific microphone sensitivity variance **Growth Levers:** - Exportable PDF reporting would unlock industrial compliance use cases ## What's New - **Latest (v1.7.0, 1 weeks ago):** Corrected sound measurement standards (IEC 61672, LAeq, NIOSH thresholds) and resolved critical bugs in calibration, UI localization, and microphone handling. ## App Momentum (Steady) {#momentum} - Implemented IEC 61672-1:2013 standard weighting. - Corrected NIOSH daily dose thresholds. - Resolved calibration and microphone handling bugs. > **Cadence:** 2 total versions · 1 majors in last 6 months · 10 days since last update · 30 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Decibel Sound Meter: dB SPL is a productivity app that is free with in-app purchases. It holds a 4.75/5 rating from 4 reviews. > **Bottom Line:** Decibel Sound Meter: dB SPL maintains its position through strict adherence to acoustic standards, but the hardware-imposed 90 dB ceiling limits its growth. Prioritizing data export features would shift the value proposition from a simple meter to a compliance-reporting tool. **Best for:** Users requiring auxiliary tools for environmental noise quantification and sound pollution studies. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship PDF report export because it is the primary missing feature for industrial users → unlock B2B compliance utility ### Outlook: Stable The market for mobile acoustic tools is shifting toward professional-grade compliance reporting, moving away from simple decibel visualization. Decibel Sound Meter: dB SPL is well-positioned to capture this segment if it pivots from a passive meter to an active reporting utility. - 🟢 The latest release (v1.7.0) demonstrates a commitment to technical accuracy by adopting international standards, which strengthens the app's professional positioning. - ⚪ The app maintains a steady release cadence, ensuring that calibration logic remains compatible with current microphone handling requirements. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.75/5 | | Total Reviews | 4 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Decibel Sound Meter: dB SPL** (this app) | 4.75/5 | N/A | Grima Hdez | | [VPN 360: Fast & Secure Proxy](https://marlvel.ai/apps/co-infinitysoft-vpn360) | 4.5/5 | Mixed | Pango GmbH | | [ChatGPT](https://marlvel.ai/apps/chatgpt) | 4.8/5 | n/a | OpenAI OpCo, LLC | | [Clean Swell](https://marlvel.ai/apps/clean-swell) | 3.9/5 | n/a | Ocean Conservancy | | [Data Tree Manager](https://marlvel.ai/apps/data-tree-manager) | N/A/5 | N/A | Vsevolod Migdisov | | [HitWave](https://marlvel.ai/apps/ciendor-applications-hitwave) | 2.5/5 | Mixed | Ciendor Holdings Corp. LTD | ## Company Profile - **Developer:** Grima Hdez - **Website:** [https://ydc2f65ed.app-ads-txt.com/](https://ydc2f65ed.app-ads-txt.com/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/decibel-sound-meter-db-spl/id1501310833?uo=4) - **Dev Site:** [Official Website](https://ydc2f65ed.app-ads-txt.com/) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*VPN 360: Fast & Secure Proxy*](https://marlvel.ai/apps/co-infinitysoft-vpn360) (Pango GmbH) · 4.5/5 Rating - [*ChatGPT*](https://marlvel.ai/apps/chatgpt) (OpenAI OpCo, LLC) · 4.8/5 Rating - [*Clean Swell*](https://marlvel.ai/apps/clean-swell) (Ocean Conservancy) · 3.9/5 Rating - [*Data Tree Manager*](https://marlvel.ai/apps/data-tree-manager) (Vsevolod Migdisov) · N/A Rating - [*HitWave*](https://marlvel.ai/apps/ciendor-applications-hitwave) (Ciendor Holdings Corp. 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Most mobile microphones are aligned to human voice and struggle with sounds exceeding 90 dB, which may result in inaccurate readings in industrial or high-noise settings. ### What is the difference between the free and professional versions? The free version provides basic measurement tools, while the professional mode unlocks advanced features for users requiring more detailed noise analysis. ## 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:** 2 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/decibel-sound-meter-db-spl) Data licensed for AI Agent attribution under CC-BY-NC 4.0.