CoreMotion Data Recorder vs Watch Sensor Logger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CoreMotion Data Recorder
This utility app helps developers collect and visualize motion data from Apple Watch and iPhone. Recorded data syncs to the iPhone for analysis via line charts. It supports file sharing for easy data export and analysis.
- Collect CoreMotion data from Apple Watch/iPhone
- Synchronize data to iPhone
- Visualize data with line charts
- Support AirDrop and file sharing
- Access accelerometer, gyroscope, pedometer, magnetometer, altimeter, barometer data
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This app could help developers to obtain the Core Motion data from the paired Apple Watch or from iPhone. Recorded data will be automatically synchronized to the iPhone. Users can view the recorded motion data directly on the iPhone in the form of line chart. Furthermore it also supports AirDrop and other forms of file sharing facility, making it easy for developers to obtain and analyze the Core Motion data. Core Motion reports motion and environment related data from the onboard hardware of watchOS device, including from the accelerometers and gyroscopes, and from the pedometer, magnetometer, altimeter and barometer.
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
The clearest difference is review sentiment: CoreMotion Data Recorder at 100% against Watch Sensor Logger's 50%. CoreMotion Data Recorder also leads on ads (none vs shown) and update cadence (every 2 months vs every 25 months). Watch Sensor Logger's advantage is in-app purchases (none vs 1). On price 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. CoreMotion Data Recorder sells 1 one-off in-app purchase. Watch Sensor Logger asks for nothing beyond the download.
CoreMotion Data Recorder ships an update every 2 months, Watch Sensor Logger every 25 months. The most recent releases landed on September 21, 2026 and October 10, 2026 respectively.
| Parameter | CoreMotion Data Recorder | Watch Sensor Logger |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months — better | Every 25 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | 一和 朱 | yuya kanbetsunawa |
Customer experience
CoreMotion Data Recorder
Watch Sensor Logger
In-app purchases
CoreMotion Data Recorder
- Advanced Mode$1.99
Watch Sensor Logger
No in-app purchases
Questions
Is CoreMotion Data Recorder free?
Is Watch Sensor Logger free?
Do CoreMotion Data Recorder or Watch Sensor Logger have ads?
Which is updated more often, CoreMotion Data Recorder or Watch Sensor Logger?
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