# Physics Toolbox Sensor Suite vs Watch Sensor Logger

The clearest difference is in-app purchases: Watch Sensor Logger at none against Physics Toolbox Sensor Suite's 1. Physics Toolbox Sensor Suite's advantage is ads (none vs shown) and review sentiment (81% vs 50%). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Physics Toolbox Sensor Suite sells 1 one-off in-app purchase. Watch Sensor Logger asks for nothing beyond the download.

Physics Toolbox Sensor Suite ships an update weekly, Watch Sensor Logger every 25 months. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Physics Toolbox Sensor Suite | Watch Sensor Logger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.8K ratings)](https://appshunter.io/ios/app/physics-toolbox-sensor-suite/id1128914250/reviews)** | — |
| Number of ratings | **1.8K** | — |
| Positive reviews | **80.6% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 25 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 78 MB | 17 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Chrystian Vieyra](https://appshunter.io/developer/998187453) | [yuya kanbetsunawa](https://appshunter.io/developer/1597026161) |

## What reviewers say

### Physics Toolbox Sensor Suite

[App page](https://appshunter.io/ios/app/physics-toolbox-sensor-suite/id1128914250)

This app turns your smartphone into a scientific instrument suite, enabling measurement, recording, analysis, and export of real-time sensor data. It offers tools for kinematics, acoustics, light, magnetism, and more, suitable for students, educators, researchers, and hobbyists.

**Highlights:** Real-time sensor data measurement, Data recording and analysis, Data export functionality, Kinematics tools (accelerometer, gyroscope), Acoustics tools (sound meter, oscilloscope), Magnetism tools (compass, magnetometer), AR visualization for magnetic fields and measurements

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro | $5.99 | one-time |


### Watch Sensor Logger

[App page](https://appshunter.io/ios/app/watch-sensor-logger/id1634449655)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Physics Toolbox Sensor Suite free?

Physics Toolbox Sensor Suite is free to download, with in-app purchases available.

### Is Watch Sensor Logger free?

Watch Sensor Logger is free to download, with no in-app purchases.

### Do Physics Toolbox Sensor Suite or Watch Sensor Logger have ads?

Watch Sensor Logger shows ads; Physics Toolbox Sensor Suite does not.

### Which is updated more often, Physics Toolbox Sensor Suite or Watch Sensor Logger?

Physics Toolbox Sensor Suite ships an update weekly, and Watch Sensor Logger every 25 months. Most recently, Physics Toolbox Sensor Suite was updated on October 12, 2026 and Watch Sensor Logger on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*