--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Sensor Logger" developer_entity: "Kelvin Tsz Hei Choi" bundle_id: "com.kelvin.sensorapp" category: "Tools" primary_platform: "android" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "Android" app_last_updated: "2026-05-11" report_date: "2026-05-19" last_verified: "2026-05-19T00:00:00.000Z" report_version: "VARY" total_reviews: 0 confidence: "low" confidence_score: 0.05 data_age_days: 178 intelligence_version: 2 tags: ["tools", "free", "mobile app", "app review", "app analysis", "researchers,", "educators,", "technical"] canonical_url: "https://marlvel.ai/apps/com-kelvin-sensorapp" license: "CC-BY-NC 4.0" content_version: "v2" --- # Sensor Logger Intelligence Report ## TL;DR {#tldr} - **Category**: Tools · Free > **TL;DR:** Sensor Logger is a tools app by Kelvin Tsz Hei Choi, available on Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Sensor Logger is a tools app by Kelvin Tsz Hei Choi. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Tools | | **Developer** | Kelvin Tsz Hei Choi | | **Pricing** | Free | | **Platforms** | Android | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 178d | ## Metadata & Market Performance - **Publisher:** Kelvin Tsz Hei Choi - **Category:** Tools - **Target Audience:** Researchers, educators, and technical professionals requiring mobile-based sensor data logging and analysis. - **Platforms:** Android - **Version Reviewed:** VARY - **Report Date:** 2026-05-19 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **Google Play ID:** com.kelvin.sensorapp - **Data Window:** Analysis based on signals collected up to 2026-05-19 - **Short Description:** One-Tap Sensor Logger with Watch, Streaming, Bluetooth & Multi-User Studies ## Executive Snapshot Sensor Logger is a data acquisition tool that records and visualizes telemetry from mobile and Wear OS device sensors, including GPS, audio, and motion sensors. It enables researchers and educators to export data in multiple formats or stream it in real-time via HTTP and MQTT. The app distinguishes itself by supporting multi-sensor aggregation and collaborative data collection through its Study functionality. ## App DNA (Features & Intent) - **[Standard] Multi-Sensor Logging:** Captures data from internal hardware like the accelerometer, gyroscope, GPS, and device properties such as battery and network state. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Data Export and Streaming:** Supports output in CSV, JSON, Excel, KML, and SQLite formats, with real-time streaming capabilities via HTTP or MQTT. - **[Standard] Study Management:** Allows users to create and manage collaborative studies to collect recordings from multiple participants. - **[Standard] Advanced Processing:** Provides tools to resample and aggregate measurements from various sensors during active recording sessions. * *User Intent:* Users seek enhanced value through premium features. ## Monetization Strategy - **Model:** Free ## The "So What?" (Strategic Takeaway) {#so-what} Sensor Logger is an established tools app that is completely free. > **Bottom Line:** Sensor Logger is a comprehensive, cross-platform utility for high-fidelity sensor data collection and remote research collaboration. **Best for:** Researchers, educators, and technical professionals requiring mobile-based sensor data logging and analysis. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Free | | Platforms | Android | | Key Features | 4 analyzed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Sensor Logger** (this app) | N/A/5 | N/A | Kelvin Tsz Hei Choi | | [Voli: Volume limiter for Kids](https://marlvel.ai/apps/voli-volume-limiter-for-kids) | 3.7/5 | N/A | Petr Nálevka (Urbandroid) | | [Horse Id : Horse Identifier](https://marlvel.ai/apps/horse-id-horse-identifier) | N/A/5 | N/A | TLUTech | | [Spy Hidden Camera Detector](https://marlvel.ai/apps/spy-hidden-camera-detector) | 4.2/5 | N/A | chao71117 | | [Black Notes: Notes and Lists](https://marlvel.ai/apps/black-notes-notes-and-lists) | 4.8/5 | Excited | AM Company | | [Canon Print Service](https://marlvel.ai/apps/canon-print-service) | 4.0/5 | n/a | Canon Inc. | ## Company Profile - **Developer:** Kelvin Tsz Hei Choi - **Website:** [https://www.tszheichoi.com/sensorlogger](https://www.tszheichoi.com/sensorlogger) ## Data Sources & Links - **Google Play ID:** com.kelvin.sensorapp - **Dev Site:** [Official Website](https://www.tszheichoi.com/sensorlogger) - **Sources:** App store metadata. ## Related Intel Reports - [*Voli: Volume limiter for Kids*](https://marlvel.ai/apps/voli-volume-limiter-for-kids) (Petr Nálevka (Urbandroid)) · 3.7/5 Rating - [*Horse Id : Horse Identifier*](https://marlvel.ai/apps/horse-id-horse-identifier) (TLUTech) · N/A Rating - [*Spy Hidden Camera Detector*](https://marlvel.ai/apps/spy-hidden-camera-detector) (chao71117) · 4.2/5 Rating - [*Black Notes: Notes and Lists*](https://marlvel.ai/apps/black-notes-notes-and-lists) (AM Company) · 4.8/5 Rating | Positive Sentiment - [*Canon Print Service*](https://marlvel.ai/apps/canon-print-service) (Canon Inc.) · 4.0/5 Rating - [*Browser X*](https://marlvel.ai/apps/browser-x) (Prince Corp) · N/A Rating - [*Fine Browser*](https://marlvel.ai/apps/fine-browser) (Prince Corp) · 2.5/5 Rating - [*BCloud365*](https://marlvel.ai/apps/bcloud365) (Zhejiang JAIFY Co., Ltd.) · N/A Rating - [*Remote for Chromecast TV*](https://marlvel.ai/apps/remote-for-chromecast-tv) (KRAFTWERK 9 LTD) · 4.2/5 Rating - [*Compass*](https://marlvel.ai/apps/compass-4) (NixGame) · 4.0/5 Rating ## 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:** 0.05/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 178 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/com-kelvin-sensorapp) Data licensed for AI Agent attribution under CC-BY-NC 4.0.