# Physics Toolbox Sensor Suite vs Sign language keyboard

The clearest difference is review sentiment: Physics Toolbox Sensor Suite at 81% against Sign language keyboard's 0%. Physics Toolbox Sensor Suite also leads on rating (4.7 vs 1.0) and ratings volume (1.8K vs 5). Sign language keyboard's advantage is in-app purchases (none vs 1) and iOS requirement (11.2 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

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

Physics Toolbox Sensor Suite holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Physics Toolbox Sensor Suite has 1.8K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 81% of Physics Toolbox Sensor Suite's written reviews are positive against 0% of Sign language keyboard's.

Physics Toolbox Sensor Suite ships an update weekly, Sign language keyboard every 2 weeks. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Physics Toolbox Sensor Suite | Sign language keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.8K ratings)](https://appshunter.io/ios/app/physics-toolbox-sensor-suite/id1128914250/reviews)** | [1.0 (5 ratings)](https://appshunter.io/ios/app/sign-language-keyboard/id1595813372/reviews) |
| Number of ratings | **1.8K** | 5 |
| Positive reviews | **80.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 78 MB | 23 MB |
| Requires iOS | 16.0 | **11.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chrystian Vieyra](https://appshunter.io/developer/998187453) | [abdelrahman mohamed](https://appshunter.io/developer/480629808) |

## 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 |


### Sign language keyboard

[App page](https://appshunter.io/ios/app/sign-language-keyboard/id1595813372)

This utility app provides a specialized keyboard for individuals with hearing impairments. It allows users to communicate using expressive sign language characters and common phrases for faster interaction.

**Highlights:** Sign language character input, Expressive communication, Common phrase shortcuts, Accessibility for hearing impaired

**Features:** macOS Compatibility

**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 Sign language keyboard free?

Sign language keyboard is free to download, with no in-app purchases.

### Which has better reviews, Physics Toolbox Sensor Suite or Sign language keyboard?

Physics Toolbox Sensor Suite is rated higher. Physics Toolbox Sensor Suite averages 4.7 out of 5 from 1.8K ratings, while Sign language keyboard averages 1.0 from 5 ratings.

### Do Physics Toolbox Sensor Suite or Sign language keyboard have ads?

Neither Physics Toolbox Sensor Suite nor Sign language keyboard shows ads.

### Which is updated more often, Physics Toolbox Sensor Suite or Sign language keyboard?

Physics Toolbox Sensor Suite ships an update weekly, and Sign language keyboard every 2 weeks. Most recently, Physics Toolbox Sensor Suite was updated on October 16, 2026 and Sign language keyboard on October 2, 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.*