--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Level: Sound Level Meter" developer_entity: "Carl Sieber" bundle_id: "app.level.meter" app_store_id: "6781562419" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-07-17" report_date: "2026-08-13" last_verified: "2026-08-13T00:00:00.000Z" report_version: "1.3" total_reviews: 1 overall_rating: 5 confidence: "low" confidence_score: 0.3 data_age_days: 3 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["utilities", "free", "mobile app", "app review", "app analysis", "theater", "enthusiasts,", "audio"] canonical_url: "https://marlvel.ai/apps/level-sound-level-meter" license: "CC-BY-NC 4.0" content_version: "v2" --- # Level: Sound Level Meter Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Free - **Signal**: Rating 5 > **TL;DR:** Level: Sound Level Meter is a utilities app by Carl Sieber, rated 5/5 by 1 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Level: Sound Level Meter is a utilities app by Carl Sieber. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (1 review) | | **Category** | Utilities | | **Developer** | Carl Sieber | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.3/1.0) | | **Data Age** | 3d | ## Metadata & Market Performance - **Publisher:** Carl Sieber - **Category:** Utilities - **Target Audience:** Home theater enthusiasts, car audio hobbyists, and live-sound technicians who require a portable, calibratable sound-level meter. - **Platforms:** iOS - **Version Reviewed:** 1.3 - **Report Date:** 2026-08-13 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.3/1.0) - **App Store ID (iOS):** 6781562419 - **Bundle ID:** app.level.meter - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-13 ## Executive Snapshot **What it is:** Level is a sound-level meter and reference signal generator for home theater and audio hobbyists on iOS. **Why users hire it:** Users hire Level to match speaker levels and balance audio systems without the friction of switching between multiple measurement tools. ## App DNA (Features & Intent) - **[Differentiator] Reference Signal Generator:** Plays pink noise, white noise, and octave-band tones while the meter remains active. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Differentiator] Calibrated Microphone Support:** Imports calibration files for specific measurement mics to enable true SPL readings. - **[Standard] Session Leq Measurement:** Calculates the energy-average sound level over the duration of a session. ## Market Position {#market-position} Level occupies a niche in the Utilities category as a privacy-focused, non-monetized tool for audio calibration. Its lack of network connections and in-app purchases differentiates it from ad-supported measurement suites. ## Monetization Strategy - **Model:** Free - **Tiers:** Fully free, no in-app purchases - **Analysis:** The app operates as a free, non-monetized utility with no network connections or third-party SDKs. ## SWOT Analysis {#swot} **Core Strengths:** - Reference signal generation enables level-matching workflows without external hardware - Calibrated microphone support allows for true SPL readings using standard measurement hardware - Privacy-first architecture with no network connections builds trust with technical users **Growth Levers:** - Android porting could capture the significant DIY audio market currently using non-calibrated tools - Educational content partnerships with speaker manufacturers could drive organic discovery ## Recent Changes (v2 → v3) {#recent-changes} The developer pivoted from a focus on monetization to cross-platform expansion and usability improvements, while clarifying the app's limitations regarding professional certification. **Overall trend**: Stable **Compared at**: 2026-08-13 ### High-impact changes - **[Shifted] Roadmap Pivot** (positioning) ### Medium-impact changes - **[Shifted] Professional Certification Clarification** (positioning) - **[Added] New SWOT Constraints** (swot) ## What's New - **Latest (v1.3, 3 weeks ago):** Added Session Leq tracking, built-in reference signal generation, and expanded calibrated-mic support for UMIK, EARS, and ECM8000 models. Includes VoiceOver support and UI refinements. ## App Momentum (Maintenance) {#momentum} - Shipped session Leq and reference signals. - Expanded calibrated microphone support. > **Cadence:** 1 total versions · 1 majors in last 6 months · 26 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Level: Sound Level Meter is an utilities app that is completely free. It holds a 5/5 rating from 1 review. > **Bottom Line:** Level provides a high-utility toolset for audio enthusiasts by integrating reference signals with live metering, but its lack of professional certification and Android presence limits its market ceiling, so the roadmap should prioritize cross-platform expansion to capture the broader DIY audio segment. **Best for:** Home theater enthusiasts, car audio hobbyists, and live-sound technicians who require a portable, calibratable sound-level meter. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship Android version because the DIY audio market is platform-agnostic and currently underserved by high-fidelity measurement tools → unlock new user acquisition funnel ### Outlook: Stable The audio measurement market is consolidating around tools that offer both portability and calibration accuracy. Level is well-positioned to capture the DIY hobbyist segment if it addresses its platform gap and maintains its privacy-first stance. - 🟢 The latest release added professional-grade measurement tools including session Leq and reference signals, signaling active feature investment rather than maintenance mode. - 🟢 Privacy-first positioning without network connections differentiates the app from ad-supported measurement utilities, which may drive long-term retention among privacy-conscious hobbyists. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 1 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Level: Sound Level Meter** (this app) | 5/5 | N/A | Carl Sieber | | [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) | 4.4/5 | Mixed | Fuxin Technology | | [Potatso](https://marlvel.ai/apps/potatso) | 4.4/5 | n/a | Potatso Lab LTD | | [Quantumult X](https://marlvel.ai/apps/quantumult-x) | 3.8/5 | N/A | Cross Utility Ltd | ## Company Profile - **Developer:** Carl Sieber - **Website:** [https://hire.someguynamedcarl.com/level](https://hire.someguynamedcarl.com/level) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/level-sound-level-meter/id6781562419?uo=4) - **Dev Site:** [Official Website](https://hire.someguynamedcarl.com/level) - **Sources:** Developer website content, About us / company information, App store metadata. ## Related Intel Reports - [*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) · 4.4/5 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 - [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.9/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 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 - [*도사폰 (만세력 역학도구)*](https://marlvel.ai/apps/app--656) (Softchaser Company Limited) · 5.0/5 Rating ## Frequently Asked Questions {#faq} ### Is Level a professional-grade sound level meter? No, Level is designed for setting and matching levels by ear or by the number. It is not certified as a Type 1 or Type 2 sound level meter and should not be used where certified measurement is required. ### Does Level require an internet connection? No, Level makes no network connections at all. It does not have accounts, analytics, or third-party SDKs. ### Can I use external microphones with Level? Yes, Level supports calibrated USB measurement microphones. You can import calibration files to enable true SPL readings. ### Is there a free version of Level? Level is completely free with no in-app purchases or subscription tiers. ## 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:** 0.3/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 3 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/level-sound-level-meter) Data licensed for AI Agent attribution under CC-BY-NC 4.0.