# Physics Toolbox Sensor Suite vs Bubble Level

The clearest difference is ads: Physics Toolbox Sensor Suite at none against Bubble Level's shown. Physics Toolbox Sensor Suite also leads on ratings volume (1.8K vs 2). Bubble Level's advantage is rating (5.0 vs 4.7). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Physics Toolbox Sensor Suite sells 1 one-off in-app purchase and Bubble Level sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Bubble Level holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Physics Toolbox Sensor Suite has 1.8K ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Physics Toolbox Sensor Suite | Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.8K ratings)](https://appshunter.io/ios/app/physics-toolbox-sensor-suite/id1128914250/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bubble-level-spirit-and-angle/id6816330217/reviews)** |
| Number of ratings | **1.8K** | 2 |
| Positive reviews | 80.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 79 MB | 8 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chrystian Vieyra](https://appshunter.io/developer/998187453) | [Tianyu Lu](https://appshunter.io/developer/6810794695) |

## 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 |


### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-spirit-and-angle/id6816330217)

Transform your device into a precise spirit level and inclinometer. Features innovative face-down measurement, dual bullseye and tubular levels, and audio/haptic feedback for accurate alignment in various projects.

**Highlights:** Face-down precision mode, Dual bullseye and tubular levels, Audio and haptic zero feedback, Relative zero and calibration, Angle lock/hold, Digital angle readout

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Physics Toolbox Sensor Suite free?

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

### Is Bubble Level free?

Bubble Level is free to download, with in-app purchases available.

### Which has better reviews, Physics Toolbox Sensor Suite or Bubble Level?

Bubble Level is rated higher. Physics Toolbox Sensor Suite averages 4.7 out of 5 from 1.8K ratings, while Bubble Level averages 5.0 from 2 ratings.

### Do Physics Toolbox Sensor Suite or Bubble Level have ads?

Bubble Level shows ads; Physics Toolbox Sensor Suite does not.

### Which is updated more often, Physics Toolbox Sensor Suite or Bubble Level?

Physics Toolbox Sensor Suite ships an update weekly, and Bubble Level weekly. Most recently, Physics Toolbox Sensor Suite was updated on October 29, 2026 and Bubble Level on October 24, 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.*