Comparison

Sensor Data Recorder vs CoreMotion Data Recorder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sensor Data Recorder

This utility app records gyroscope, accelerometer, and audio data from your device. Export your recorded data as CSV or M4A files for further processing, particularly for machine learning applications. Your data remains private and is only accessible on your device.

Highlights
  • Record gyroscope and accelerometer data
  • Record audio simultaneously
  • Label recordings for ML workflow
  • Adjust data capture frequency
  • Download or email data
  • Export as CSV and M4A
Features
Read full description

A lightweight utility in order to quickly and securely record CoreMotion gyroscope and accelerometer data together with audio data. CoreMotion data can be downloaded as a CSV (comma separated values) file and audio can be downloaded as a standard m4a file. Your data is only available on your device. Data will not be shared with others and will not be uploaded centrally. Data can then be used for further processing, mostly for machine learning (ML) / deep learning purposes. Key highlights: - Record gyroscope and accelerometer data directly from your phone's CoreMotion module - In parallel, record audio from your phone's microphone - Assign a label to each recording which can be later used in your machine learning workflow - Choose the frequency of the data to be captured per second - Download the captured data or send it via email - Further process the data within your favorite machine learning environment, e.g. using Python

About

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.

Highlights
  • 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
Features
Read full description

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.

Screenshots

Sensor Data Recorder2 screens
CoreMotion Data Recorder4 screens

Verdict

The call

The clearest difference is review sentiment: CoreMotion Data Recorder at 100% against Sensor Data Recorder's 50%. CoreMotion Data Recorder also leads on rating (4.0 vs 3.0) and update cadence (every 2 months vs every 26 months). Sensor Data Recorder's advantage is in-app purchases (none vs 1). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CoreMotion Data Recorder sells 1 one-off in-app purchase. Sensor Data Recorder asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CoreMotion Data Recorder holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 50% of Sensor Data Recorder's written reviews are positive against 100% of CoreMotion Data Recorder's.

UpkeepUpdate frequency

Sensor Data Recorder ships an update every 26 months, CoreMotion Data Recorder every 2 months. The most recent releases landed on June 6, 2026 and June 11, 2026 respectively.

Scorecard5 real differences · 5 level
Sensor Data Recorder versus CoreMotion Data Recorder: the parameters behind the verdict, then further details
ParameterSensor Data RecorderCoreMotion Data Recorder
PriceFreeFree
Rating3.0 (2 ratings)4.0 (1 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 26 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod, Apple Watch — better
Requires iOS14.014.0
Further details — not scored
Size8 MB6 MB
Age rating4+4+
DeveloperNils Ackermann一和 朱

Customer experience

Sensor Data Recorder

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

CoreMotion Data Recorder

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Sensor Data Recorder

No in-app purchases

1 purchases

CoreMotion Data Recorder

One-time1
  • Advanced Mode$1.99

Questions

Is Sensor Data Recorder free?
Sensor Data Recorder is free to download, with no in-app purchases.
Is CoreMotion Data Recorder free?
CoreMotion Data Recorder is free to download, with in-app purchases available.
Which has better reviews, Sensor Data Recorder or CoreMotion Data Recorder?
CoreMotion Data Recorder is rated higher. Sensor Data Recorder averages 3.0 out of 5 from 2 ratings, while CoreMotion Data Recorder averages 4.0 from 1 ratings.
Do Sensor Data Recorder or CoreMotion Data Recorder have ads?
Neither Sensor Data Recorder nor CoreMotion Data Recorder shows ads.
Which is updated more often, Sensor Data Recorder or CoreMotion Data Recorder?
Sensor Data Recorder ships an update every 26 months, and CoreMotion Data Recorder every 2 months. Most recently, Sensor Data Recorder was updated on June 6, 2026 and CoreMotion Data Recorder on June 11, 2026.

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