Comparison

Sensor Data Recorder vs Accident Diagram DB

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

Accident Diagram DB

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1) Users can make use of their Apple account to SignIn into the app and can make use of symbols , objects and custom images to explain the accident scene. 2) Subscriptions should be purchased to get the premium features like Custom Images and No Watermark . 3) A PDF file can be generated to share or user can print the page so as to use offline. Privacy Policy:- https://sites.google.com/view/accident-diagram-privacy/home Terms and conditions:- https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sensor Data Recorder2 screens
Accident Diagram DB4 screens

Verdict

The call

The clearest difference is in-app purchases: Sensor Data Recorder at none against Accident Diagram DB's 3. Accident Diagram DB's advantage is update cadence (fortnightly vs every 26 months). On price, ads, device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Accident Diagram DB sells 3 in-app purchases, starting at $9.99 per month. Sensor Data Recorder asks for nothing beyond the download.

UpkeepUpdate frequency

Sensor Data Recorder ships an update every 26 months, Accident Diagram DB fortnightly. The most recent releases landed on June 6, 2026 and December 23, 2025 respectively.

Scorecard2 real differences · 8 level
Sensor Data Recorder versus Accident Diagram DB: the parameters behind the verdict, then further details
ParameterSensor Data RecorderAccident Diagram DB
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 26 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.014.0
Further details — not scored
Size8 MB75 MB
Age rating4+4+
DeveloperNils AckermannDark Bear Web Solutions LLC

In-app purchases

None

Sensor Data Recorder

No in-app purchases

3 purchases

Accident Diagram DB

Subscriptions3
  • Monthly$9.991 Month
  • Six Months$49.996 Months
  • One Years Subscription$89.991 Year

Questions

Is Sensor Data Recorder free?
Sensor Data Recorder is free to download, with no in-app purchases.
Is Accident Diagram DB free?
Accident Diagram DB is free to download, with in-app purchases available.
Do Sensor Data Recorder or Accident Diagram DB have ads?
Neither Sensor Data Recorder nor Accident Diagram DB shows ads.
Which is updated more often, Sensor Data Recorder or Accident Diagram DB?
Sensor Data Recorder ships an update every 26 months, and Accident Diagram DB fortnightly. Most recently, Sensor Data Recorder was updated on June 6, 2026 and Accident Diagram DB on December 23, 2025.

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