--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "dB meter - noise measure" developer_entity: "Anna Koynova" bundle_id: "rb.dB-meter" app_store_id: "1136677469" category: "Utilities" primary_platform: "ios" primary_monetization: "Paid" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2021-08-21" report_date: "2026-04-18" report_version: "1.7.2" total_reviews: 621 overall_rating: 4.59 confidence: "low" confidence_score: 0.25 data_age_days: 75 intelligence_version: 2 tags: ["utilities", "paid", "mobile app", "app review", "app analysis", "users", "requiring", "portable"] canonical_url: "https://marlvel.ai/apps/db-meter-noise-measure" license: "CC-BY-NC 4.0" last_verified: "2026-04-18T11:46:09.410Z" --- # dB meter - noise measure App Audit > **TL;DR:** dB meter - noise measure is a utilities app by Anna Koynova, rated 4.59/5 by 621 users, available on iOS. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** dB meter - noise measure is a utilities app by Anna Koynova. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.59/5 (621 reviews) | | **Category** | Utilities | | **Developer** | Anna Koynova | | **Pricing** | Paid | | **Platforms** | iOS | | **Confidence** | Low (0.25/1.0) | | **Data Age** | 75d | ## Metadata & Market Performance - **Publisher:** Anna Koynova - **Category:** Utilities - **Target Audience:** Users requiring a portable tool to monitor and record environmental sound levels for personal or professional assessment. - **Platforms:** iOS - **Version Audited:** 1.7.2 - **Audit Date:** 2026-04-18 - **Signal Count:** 5 reviews analyzed - **Confidence:** Low (0.25/1.0) - **App Store ID (iOS):** 1136677469 - **Bundle ID:** rb.dB-meter - **Data Window:** Analysis based on signals collected up to 2026-04-18 ## Executive Snapshot dB meter - noise measure is a utility app designed to measure sound pressure levels (SPL) using mobile hardware. It claims calibration against the professional OKTAVA 110A-PRO tool and provides real-time tracking of current, peak, and maximum noise levels. ## App DNA (Features & Intent) - **[Standard] SPL Measurement:** Tracks current average, peak, and absolute maximum sound pressure levels. * *User Intent:* Users want visibility into their own performance and progress. - **[Standard] Data Visualization:** Provides histogram graphs for current average and peak SPL levels. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Calibration and Utility:** Allows for manual calibration within a +/- 20dB range and supports upside-down orientation for ease of use. - **[Standard] Data Management:** Includes functionality to save measurements for later review. ## Monetization Strategy - **Model:** Paid - **Price:** iOS: $2.99 ## The "So What?" (Strategic Takeaway) dB meter - noise measure is an established utilities app that is a paid app. With a 4.59/5 rating from 621 reviews, it shows polarized user reception. > **Bottom Line:** While the app offers professional-style metrics and calibration options, user feedback indicates potential concerns regarding hardware compatibility and measurement accuracy. **Best for:** Users requiring a portable tool to monitor and record environmental sound levels for personal or professional assessment. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.59/5 | | Total Reviews | 621 | | Confidence | Low | | Pricing Model | Paid | | Platforms | iOS | | Key Features | 4 analyzed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **dB meter - noise measure** (this app) | 4.59/5 | N/A | Anna Koynova | | [Quantumult X](https://marlvel.ai/apps/quantumult-x) | 3.9/5 | Frustrated | Cross Utility Ltd | | [Free VPN by Free VPN .org™](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) | 4.3/5 | Mixed | Free VPN LLC | | [Potatso](https://marlvel.ai/apps/potatso) | 4.4/5 | Frustrated | Potatso Lab LTD | | [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.5/5 | Mixed | techlaim | | [nasin sitelen Wakalito](https://marlvel.ai/apps/nasin-sitelen-wakalito) | 3.8/5 | N/A | Theodore Dubois | ## Company Profile - **Developer:** Anna Koynova ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/db-meter-noise-measure/id1136677469?uo=4) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*Quantumult X*](https://marlvel.ai/apps/quantumult-x) (Cross Utility Ltd) — 3.9/5 Rating | Negative Sentiment - [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) — 4.3/5 Rating | Mixed Sentiment - [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) — 4.4/5 Rating | Negative Sentiment - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) — 4.5/5 Rating | Mixed Sentiment - [*nasin sitelen Wakalito*](https://marlvel.ai/apps/nasin-sitelen-wakalito) (Theodore Dubois) — 3.8/5 Rating | N/A Sentiment - [*Scale for grams - weight scale*](https://marlvel.ai/apps/scale-for-grams-weight-scale) (Dung Vu) — 4.7/5 Rating | N/A Sentiment - [*Modulus Calculator*](https://marlvel.ai/apps/modulus-calculator) (Theodore Dubois) — 4.5/5 Rating | Excellent Sentiment - [*Spectacles by Snap Inc.*](https://marlvel.ai/apps/spectacles-by-snap-inc) (Snap, Inc.) — 4.3/5 Rating | Mixed Sentiment - [*Calculator# Hide Photos Videos*](https://marlvel.ai/apps/calculator-hide-photos-videos) (NewSoftwares.net) — 4.4/5 Rating | N/A Sentiment - [*Cape Mobile*](https://marlvel.ai/apps/cape-mobile) (Private Tech, Inc.) — 4.5/5 Rating | Positive Sentiment ## Methodology This report was generated by Marlvel.ai's 3-stage AI intelligence pipeline: 1. **Feature & Positioning Extraction** — Analyzes app metadata, developer website content, and version history to identify key features, target audience, and competitive positioning. 2. **Sentiment Analysis** — Processes user reviews (minimum 5 reviews required) to extract praise themes, complaint themes, and overall sentiment with evidence quotes. 3. **Intelligence Synthesis** — Combines stages 1 & 2 with App Store rankings to produce SWOT analysis, executive summary, and actionable insights. - **Confidence Score:** 0.25/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 5 - **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:** 75 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/db-meter-noise-measure) Data licensed for AI Agent attribution under CC-BY-NC 4.0.