Comparison

Acc.elerometer vs Watch Sensor Logger

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

Head to head
About

Acc.elerometer

Features
Read full description

Transform your device into a powerful motion sensor laboratory. Record and visualize real-time data from your device's built-in sensors with interactive charts and precise measurements. Perfect for researchers, developers, students, and anyone interested in understanding device motion. Supported sensors: â€Ē Accelerometer – Total device acceleration including gravity (G-force) â€Ē User Acceleration – Pure motion acceleration without gravity influence â€Ē Gyroscope – Rotation rate around all three axes (rad/s) â€Ē Magnetometer – Magnetic field strength and compass data (ΞT) â€Ē Device Attitude – 3D orientation in space (roll, pitch, yaw) â€Ē Gravity – Isolated gravitational force vector (G-force) Key features: â€Ē Real-time sensor visualization with smooth, interactive charts â€Ē Manual start/stop control for targeted data collection â€Ē Export any recording as timestamped CSV files â€Ē Customizable recording sessions with precise timing control Export analysis: All sensor data exports as CSV files with timestamps, making it seamless to import into any data analysis platform. Start recording with a single tap and unlock the hidden motion story of your device.

About

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.

Highlights
  • Log sensor data
  • GPS tracking
  • Export to CSV
  • Acceleration logging
  • Attitude data
  • Time stamping
Features
Read full description

Watch Sensor Logger turns your Apple Watch into a powerful motion and location logger. Record high-precision sensor data straight from your wrist: â€Ē Acceleration â€Ē Rotation Rate â€Ē Gravity â€Ē Attitude â€Ē 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 â€Ē One-tap recording on Apple Watch â€Ē Motion sensors: acceleration, rotation rate, gravity, attitude â€Ē GPS location logging â€Ē Beautiful charts to explore your data â€Ē CSV export for spreadsheets and analysis â€Ē Manage and delete past sessions easily

Screenshots

Acc.elerometer3 screens
Watch Sensor Logger4 screens

Verdict

The call

The clearest difference is ads: Acc.elerometer at none against Watch Sensor Logger's shown. Watch Sensor Logger's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Acc.elerometer ships an update every 20 months, Watch Sensor Logger every 25 months. The most recent releases landed on September 16, 2026 and August 8, 2026 respectively.

Scorecard2 real differences · 6 level
Acc.elerometer versus Watch Sensor Logger: the parameters behind the verdict, then further details
ParameterAcc.elerometerWatch Sensor Logger
PriceFreeFree
Positive reviews—50.0% of reviews
Update frequencyEvery 20 months — betterEvery 25 months
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS26.017.0 — better
Further details — not scored
Size10 MB17 MB
Age rating4+4+
DeveloperPantiukhin Andreiyuya kanbetsunawa

In-app purchases

None

Acc.elerometer

No in-app purchases

None

Watch Sensor Logger

No in-app purchases

Questions

Is Acc.elerometer free?
Acc.elerometer is free to download, with no in-app purchases.
Is Watch Sensor Logger free?
Watch Sensor Logger is free to download, with no in-app purchases.
Do Acc.elerometer or Watch Sensor Logger have ads?
Watch Sensor Logger shows ads; Acc.elerometer does not.
Which is updated more often, Acc.elerometer or Watch Sensor Logger?
Acc.elerometer ships an update every 20 months, and Watch Sensor Logger every 25 months. Most recently, Acc.elerometer was updated on September 16, 2026 and Watch Sensor Logger on August 8, 2026.

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