Watch Sensor Logger vs Simple GPS Speed
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
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.
- Log sensor data
- GPS tracking
- Export to CSV
- Acceleration logging
- Attitude data
- Time stamping
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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
Simple GPS Speed
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Introducing Simple GPS Speed ā the no-frills, easy-to-read speedometer app for your iPhone. Whether you're walking, running, cycling, or driving, this app provides you with a clear, large display of your current speed. Key Features: ⢠Highest Precision ⢠Clean, minimalist design ⢠Large, easy-to-read speed display ⢠Automatically switches between mph and km/h based on your region ⢠Works in both portrait and landscape orientations ⢠Adapts to your device's screen size for optimal viewing Simple GPS Speed is perfect for: ⢠Runners tracking their pace ⢠Cyclists monitoring their speed ⢠Drivers wanting a digital speedometer ⢠Anyone curious about their travel speed No complicated settings, no ads, no distractions ā just your speed, displayed prominently on your screen. The app uses your device's built-in GPS to calculate your speed accurately. Please note: ⢠Requires location access to function ⢠Continued use of GPS can dramatically decrease battery life Download Simple GPS Speed now and always know how fast you're moving!
Screenshots
Verdict
The clearest difference is ads: Simple GPS Speed at none against Watch Sensor Logger's shown. Simple GPS Speed also leads on update cadence (every 2 weeks vs every 25 months). Watch Sensor Logger's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Watch Sensor Logger ships an update every 25 months, Simple GPS Speed every 2 weeks. The most recent releases landed on August 8, 2026 and May 16, 2026 respectively.
| Parameter | Watch Sensor Logger | Simple GPS Speed |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | ā |
| Update frequency | Every 25 months | Every 2 weeks ā better |
| Ads | Yes | No ā better |
| In-app purchases | No | No |
| Monetization | Free | ā |
| Devices | iPhone, iPad, Apple Watch ā better | iPhone |
| Requires iOS | 17.0 | 16.0 ā better |
| Further details ā not scored | ||
| Size | 17 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | yuya kanbetsunawa | ALF STEINBACH |
In-app purchases
Watch Sensor Logger
No in-app purchases
Simple GPS Speed
No in-app purchases
Questions
Is Watch Sensor Logger free?
Is Simple GPS Speed free?
Do Watch Sensor Logger or Simple GPS Speed have ads?
Which is updated more often, Watch Sensor Logger or Simple GPS Speed?
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