# Physics Toolbox Sensor Suite vs Root AI

The clearest difference is in-app purchases: Root AI at none against Physics Toolbox Sensor Suite's 1. Physics Toolbox Sensor Suite's advantage is update cadence (weekly vs every 2 months). On price, ads, 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. Root AI asks for nothing beyond the download.

Physics Toolbox Sensor Suite ships an update weekly, Root AI every 2 months. The most recent releases landed on October 12, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Physics Toolbox Sensor Suite | Root AI |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 78 MB | 39 MB |
| Requires iOS | 16.0 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chrystian Vieyra](https://appshunter.io/developer/998187453) | [NEXTIA](https://appshunter.io/developer/1342698624) |

## 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 |


### Root AI

[App page](https://appshunter.io/ios/app/root-ai/id6748471746)

**Features:** macOS Compatibility, 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 Root AI free?

Root AI is free to download, with no in-app purchases.

### Do Physics Toolbox Sensor Suite or Root AI have ads?

Neither Physics Toolbox Sensor Suite nor Root AI shows ads.

### Which is updated more often, Physics Toolbox Sensor Suite or Root AI?

Physics Toolbox Sensor Suite ships an update weekly, and Root AI every 2 months. Most recently, Physics Toolbox Sensor Suite was updated on October 12, 2026 and Root AI on September 27, 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.*