Sensor Logs vs Watch Sensor Logger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sensor Logs
Stream real-time sensor data from your iOS device to a local server using socket.io or HTTP requests. This utility app is designed for developers to monitor their surroundings with minimal interface and adjustable streaming periods.
- Stream accelerometer, gyroscope, magnetometer data
- Adjustable streaming period
- HTTP and socket.io protocols
- Minimal user interface
- Developer-focused utility
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Sensor Logger is the easiest way to stream sensor data from your iOS device straight to a locally hosted server in the form of socket.io or HTTP requests. With a stripped down, minimal interface, Sensor Logger provides exactly what you need and nothing that you don't. - Track your device's accelerometer, gyroscope, and magnetometer. - Adjustable streaming period with a maximum speed of roughly 3 polls/second. - Two protocols to use, HTTP or socket.io (WebSocket library) - Sample node.js server with JSON and CSV exporting is available from the developer's website, www.joecrozier.ca/sensor-logger Please note - this app is meant for developers who wish to use their iOS device to monitor the world around them. If you're not comfortable writing code it's recommended you use a different application for this task.
Watch Sensor Logger
Log detailed motion and GPS data from your Apple Watch. Export sensor readings like acceleration, attitude, and location as a CSV file for analysis. This app is exclusively designed for Apple Watch.
- Log sensor data
- GPS tracking
- Export to CSV
- Acceleration logging
- Attitude data
- Time stamping
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Watch Sensor Logger turns your Apple Watch into a powerful motion and location logger. Record high-precision sensor data straight from your wrist: • Acceleration • Rotation Rate • Gravity • Attitude • GPS location Start a recording on your Apple Watch, then review your sessions on your iPhone. Every measurement is visualized with clear charts so you can spot patterns at a glance, and you can export any session as a CSV file for analysis in your favorite tools. Perfect for researchers, developers, athletes, and anyone curious about the motion of everyday life. KEY FEATURES • One-tap recording on Apple Watch • Motion sensors: acceleration, rotation rate, gravity, attitude • GPS location logging • Beautiful charts to explore your data • CSV export for spreadsheets and analysis • Manage and delete past sessions easily
Screenshots
Verdict
Sensor Logs and Watch Sensor Logger both sit at 5.0 stars, but that hides the real split: 50% of Watch Sensor Logger's written reviews are positive against 0% of Sensor Logs's. Watch Sensor Logger also leads on price (Free vs $0.99) and update cadence (every 25 months vs every 88 months). Sensor Logs's advantage is ads (none vs shown). On rating, ratings volume, in-app purchases and iOS requirement 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
Watch Sensor Logger is free to download; Sensor Logs costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Sensor Logs against 5.0 for Watch Sensor Logger. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 0% of Sensor Logs's written reviews are positive against 50% of Watch Sensor Logger's.
Sensor Logs ships an update every 88 months, Watch Sensor Logger every 25 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.
| Parameter | Sensor Logs | Watch Sensor Logger |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 88 months | Every 25 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Joe Crozier Software | yuya kanbetsunawa |
Customer experience
Sensor Logs
Watch Sensor Logger
In-app purchases
Sensor Logs
No in-app purchases
Watch Sensor Logger
No in-app purchases
Questions
Is Sensor Logs free?
Is Watch Sensor Logger free?
Which has better reviews, Sensor Logs or Watch Sensor Logger?
Do Sensor Logs or Watch Sensor Logger have ads?
Which is updated more often, Sensor Logs or Watch Sensor Logger?
Other comparisons
