Mount Kelvin vs Motion Sensor Analyzer Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mount Kelvin
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Be the master of the indoor ambience around you. Control all of the lights, temperature and AC. Create personalised lighting scenes for the whole room and activate them with one touch. Get accurate, real-time information of air quality, moisture, CO2 levels and set alarms for water leakages. The app also works as a configuration tool. Add new lights, battery-free wireless switches and other devices. REQUIREMENTS In order to use the Mount Kelvin app, you need a Mount Kelvin bridge.
Motion Sensor Analyzer Tool
This app transforms your iPhone into a professional motion data logger. Record accelerometer, gyroscope, and magnetometer data simultaneously, visualize it with interactive charts, and export it in CSV or JSON format for detailed analysis. Organize and compare recordings to gain insights into motion patterns.
- Record accelerometer, gyroscope, magnetometer
- Up to 200Hz sampling rate
- Interactive real-time charts
- Export data as CSV and JSON
- Organize recordings with sessions and collections
- Compare multiple recordings
- Background recording (Pro feature)
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RECORD. ANALYZE. EXPORT. Motion Sensor turns your iPhone into a professional-grade motion data logger - perfect for research, sports science, engineering, and data analysis. - CORE FEATURES - 3 Sensors in One Record accelerometer, gyroscope, and magnetometer simultaneously with a single tap. Up to 200Hz Sampling Capture high-frequency motion data with sampling rates up to 200Hz (device-dependent). Visual Charts Interactive real-time charts with X, Y, Z axis and magnitude overlay. Zoom, scroll, and analyze. Export CSV and JSON Share your data with any tool - Excel, MATLAB, Python, R, or custom analysis pipelines. Organize Your Data Name sessions, add tags, write notes, and group recordings into Collections for easy retrieval. Compare Sessions Overlay two recordings side-by-side or on the same chart to spot differences instantly. - PRO FEATURES - Unlimited Recordings Free tier includes 5 recordings. Upgrade to Pro for unlimited sessions. Background Recording Keep recording even when your screen is off or you switch apps. Live Activity and Dynamic Island See real-time sensor data on your Lock Screen while recording. Custom Presets Create and save your own sampling configurations for any activity. - PERFECT FOR - Researchers and academics collecting motion data Sports scientists analyzing movement patterns Engineers testing vibration and impact Developers building motion-aware apps Students learning about sensor data - PRIVACY - No account required. All data stored locally on your device. No data is collected or transmitted. Works on iPhone, iPad, and Mac (Apple Silicon). No special permissions required - just open and record. Privacy Policy: https://sweltering-wombat-fb2.notion.site/Privacy-Policy-for-Motion-Sensor-352458630f5480d5a16ddcbcaaa9daac Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Mount Kelvin at none against Motion Sensor Analyzer Tool's 3. Mount Kelvin also leads on iOS requirement (9.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Motion Sensor Analyzer Tool sells 3 in-app purchases, starting at $2.99 per month. Mount Kelvin asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.
| Parameter | Mount Kelvin | Motion Sensor Analyzer Tool |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 11 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Mired Hill | Thiem Nguyen |
In-app purchases
Mount Kelvin
No in-app purchases
Motion Sensor Analyzer Tool
- Motion Sensor Pro – Monthly$2.991 Month
- Motion Sensor Pro – Yearly$19.991 Year
- Motion Sensor Pro – Lifetime$9.99
Questions
Is Mount Kelvin free?
Is Motion Sensor Analyzer Tool free?
Do Mount Kelvin or Motion Sensor Analyzer Tool have ads?
Which is updated more often, Mount Kelvin or Motion Sensor Analyzer Tool?
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