Comparison

SensorLog vs Acceleration sensor logger

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

Head to head
About

SensorLog

Record and stream sensor data from your iPhone, iPad, and Apple Watch. Export data in CSV or JSON format, or send it via TCP, UDP, or HTTP requests. Integrates with Core ML models for advanced analysis.

Highlights
  • Log sensor data up to 100Hz
  • Stream data via TCP/UDP or HTTP
  • Export data as CSV or JSON
  • Remote client/server functionality
  • Siri and Shortcuts integration
  • Core ML model support
  • HealthKit data export from Apple Watch
Features
Read full description

With SensorLog you can read sensor data from the iPhone, iPad and Apple Watch. The sensor data can be saved as a file in CSV or JSON format, streamed via TCP/UDP or sent as an HTTP request. The most important functions for iPhone and iPad: - Sensor data can be recorded at up to 100Hz (depending on the iOS device version and sensor type). - Sensor data can be streamed in server or client mode using TCP or UDP. Depending on the network speed and the server or client configuration used, this is possible with up to 100Hz. - Via HTTP(S) GET/POST request, sensor data in JSON format (POST) or form-url encoded (POST and GET) can be transmitted to a REST API with up to 20Hz. - With the SensorLog Remote Client/Server function, an iPad or iPhone can connect as a SensorLog Remote Client to an iPhone or iPad, which takes on the role of SensorLog Remote Server. The client's sensor data can be visualized on the server, and the server can control the clients (start/stop logging, start/stop sending data). - Logging can be started and stopped using Siri and shortcuts. - SensorLog supports Core ML models created with Apple's Create ML app. Log data with SensorLog, train a model with the data in Create ML, load exported models in SensorLog and log the model prediction. Supported Create ML models are: Activity Classifier, Tabular Regressor and Tabular Classifier. - If you have an Apple Watch, HealthKit data such as heart rate, energy used, sleep and movement data can be exported on the watch as a csv or json file and then transferred to your iPhone. Sensor data iPhone / iPad: For sample log files, please visit the SensorLog homepage (link App Support). - CLLocation, CLHeading, CMAccelerometer, CMGyroData, CMMagnetometer, CMDeviceMotion, CMActivity, CMPedometer, CMAltimeter, WLAN and network provider IP addresses, device orientation, battery info, decibels. The most important functions for Apple Watch: - Logging Option 1: Logging duration up to 1 hour Simultaneous logging of all selectable sensor data is supported in the background with up to 50Hz. Individual sensors can be logged with a higher frequency of up to 100Hz. Sending data via HTTP requests is supported. - Logging option 2: Logging duration greater than 1 hour In the background only logging of the accelerometer data with max. 50Hz is supported. In the foreground all sensor data with up to 100Hz. Sending data via HTTP requests is only supported when the app is in the foreground. - Via HTTP(S) GET/POST request, sensor data can be transmitted to a REST API with up to 10Hz in JSON format (POST) or form-url encoded (POST and GET). - The Health Store data feature off the SensorLog Watch app allows you to export HealthKit data like heart rate, energy burned, sleep, and movement data. This data is automatically recorded by your Watch and can be read out and exported by SensorLog as csv or json file and transferred to your iPhone. - Logging can be started and stopped using Siri and Shortcuts. Sensor Data Watch: For sample log files, please visit the SensorLog homepage (link App Support). - CLLocation, CMAccelerometer, CMDeviceMotion, CMActivity, CMPedometer, CMAltimeter, battery info

About

Acceleration sensor logger

This tool logs data from your device's acceleration, gyroscope, and magnetic force sensors. Visualize sensor readings in graphs and export data via email in CSV format for spreadsheet analysis. It can also function as a horizontal instrument.

Highlights
  • Log acceleration, gyroscope, and magnetic force sensor data
  • Display sensor data in graphs
  • Export data via email in CSV format
  • View data for X, Y, and Z axes
  • Use as a horizontal instrument
Features
Read full description

Acceleration gyroscope magnetometer sensor logger is a tool to experiment how to behave as various sensors what. The information obtained in the experiment can be sent by e-mail. The operation of the sensor I have displayed in graph. You are directly displayed to the value that can be taken with the iPhone motion sensor. And acceleration sensor I will display the acceleration along each axis of the three-dimensional space. Gyroscopes I will display the rotation speed. -Magnetic force sensor I will display the value of the magnetic force sensor. When you tap the graph to display the data of tap position. The resulting data can be used to retrieve the respective data of X-axis · Y-axis · Z axis to the latest 10,000 by attaching by e-mail. Since will be sent in CSV format, it is also possible to graph displayed in spreadsheet software. Acceleration sensor can also be used as a horizontal instrument. - Horizontal, so that the sensor of the y-axis in the transverse the iPhone become close to zero. - Vertical, so that the sensor of the x-axis in the longitudinal the iPhone is close to 0. ----- Attachment ----- x.txt ... X-axis sensor data y.txt ... Y-axis sensor data z.txt ... Z-axis sensor data ----- CSV specification ----- First row: date, time (up to milliseconds) Second row: the acceleration sensor value

Screenshots

SensorLog4 screens
Acceleration sensor logger4 screens

Verdict

The call

The clearest difference is price: Acceleration sensor logger at Free against SensorLog's $2.99. Acceleration sensor logger also leads on in-app purchases (none vs 4) and rating (4.8 vs 4.4). SensorLog's advantage is update cadence (every 2 months vs every 10 months) and ratings volume (40 vs 8). On 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

Acceleration sensor logger is free to download; SensorLog costs $2.99 up front. SensorLog sells 4 one-off in-app purchases. Acceleration sensor logger asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Acceleration sensor logger holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: SensorLog has 40 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 69% of SensorLog's written reviews are positive against 78% of Acceleration sensor logger's.

UpkeepUpdate frequency

SensorLog ships an update every 2 months, Acceleration sensor logger every 10 months. The most recent releases landed on October 4, 2026 and September 23, 2026 respectively.

Scorecard8 real differences · 2 level
SensorLog versus Acceleration sensor logger: the parameters behind the verdict, then further details
ParameterSensorLogAcceleration sensor logger
Price$2.99Free — better
Rating4.4 (40 ratings)4.8 (8 ratings) — better
Positive reviews69.0% of reviews77.8% of reviews — better
Number of ratings40 — better8
Update frequencyEvery 2 months — betterEvery 10 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS18.09.0 — better
Further details — not scored
Size4 MB24 MB
Age rating4+4+
DeveloperBernd ThomasREGREX Co.,Ltd.

Customer experience

SensorLog

All ratings40 ratings
Positive82.5%
Neutral2.5%
Negative15.0%
Written reviews126 reviews
Positive69.0%
Neutral7.9%
Negative23.0%

Acceleration sensor logger

All ratings8 ratings
Positive87.5%
Neutral12.5%
Negative0.0%
Written reviews9 reviews
Positive77.8%
Neutral22.2%
Negative0.0%

In-app purchases

4 purchases

SensorLog

One-time4
  • Buy me a Coffee ...$0.99
  • Spend me an Ice Cream ...$1.99
  • Offer me a glas of Wine ...$5.99
Show 1 more
  • Invite me for a Cocktail ...$9.99
None

Acceleration sensor logger

No in-app purchases

Questions

Is SensorLog free?
SensorLog costs $2.99, and also offers in-app purchases.
Is Acceleration sensor logger free?
Acceleration sensor logger is free to download, with no in-app purchases.
Which has better reviews, SensorLog or Acceleration sensor logger?
Acceleration sensor logger is rated higher. SensorLog averages 4.4 out of 5 from 40 ratings, while Acceleration sensor logger averages 4.8 from 8 ratings.
Do SensorLog or Acceleration sensor logger have ads?
Neither SensorLog nor Acceleration sensor logger shows ads.
Which is updated more often, SensorLog or Acceleration sensor logger?
SensorLog ships an update every 2 months, and Acceleration sensor logger every 10 months. Most recently, SensorLog was updated on October 4, 2026 and Acceleration sensor logger on September 23, 2026.

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