Comparison

Sensor 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

Sensor

Access and utilize all your device's sensors with this comprehensive tool. Explore GPS, gyroscope, acceleration, magnetometer, altimeter, and attitude data for various applications and research.

Highlights
  • Access GPS for precise location
  • Utilize gyroscope for orientation
  • Measure acceleration and movement
  • Detect magnetic fields with magnetometer
  • Access altimeter and pressure data
  • Monitor device attitude (roll, pitch, yaw)
Read full description

Unlock the full potential of your iPhone and iPad with Sensor-App, the ultimate tool for accessing and utilizing all of your device's sensors. Whether you're an enthusiast, a developer, or simply curious about your device's capabilities, Sensor-App offers a comprehensive suite of tools at your fingertips. Explore a plethora of sensors including: - **GPS**: Navigate with precision and track your device’s exact location. - **Gyroscope**: Experience precise orientation and rotation insights for enhanced application performance. - **Acceleration Sensor**: Measure the speed and direction of movement, perfect for fitness and motion-based applications. - **Magnetometer**: Detect magnetic field strength and direction, useful for navigation and augmented reality. - **Altimeter/Pressure Sensor**: Access real-time altitude and pressure data, ideal for outdoor adventures. - **Attitude**: Understand device posture with detailed readings of roll, pitch, and yaw. Designed with both power users and beginners in mind, Sensor-App provides intuitive access to your device’s advanced hardware features. Take control of your sensor data and transform how you interact with the world around you. Whether for personal exploration, scientific research, or application development, Sensor-App is your gateway to a more insightful mobile experience.

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: • 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

Sensor4 screens
Watch Sensor Logger4 screens

Verdict

The call

The clearest difference is ads: Sensor at none against Watch Sensor Logger's shown. Sensor also leads on update cadence (every 2 months vs every 25 months). Watch Sensor Logger's advantage is iOS requirement (17.0 vs 26.0). On price, review sentiment, in-app purchases and monetization model 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

Sensor ships an update every 2 months, Watch Sensor Logger every 25 months. The most recent releases landed on September 10, 2026 and August 8, 2026 respectively.

Scorecard3 real differences · 7 level
Sensor versus Watch Sensor Logger: the parameters behind the verdict, then further details
ParameterSensorWatch Sensor Logger
PriceFreeFree
Rating4.0 (4 ratings) — better—
Positive reviews55.6% of reviews — better50.0% of reviews
Number of ratings4 — better—
Update frequencyEvery 2 months — betterEvery 25 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Apple Watch
Requires iOS26.017.0 — better
Further details — not scored
Size40 MB17 MB
Age rating4+4+
DeveloperVolker Schmittyuya kanbetsunawa

Customer experience

Sensor

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive55.6%
Neutral11.1%
Negative33.3%

Watch Sensor Logger

Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

None

Sensor

No in-app purchases

None

Watch Sensor Logger

No in-app purchases

Questions

Is Sensor free?
Sensor 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 Sensor or Watch Sensor Logger have ads?
Watch Sensor Logger shows ads; Sensor does not.
Which is updated more often, Sensor or Watch Sensor Logger?
Sensor ships an update every 2 months, and Watch Sensor Logger every 25 months. Most recently, Sensor was updated on September 10, 2026 and Watch Sensor Logger on August 8, 2026.

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