# Sensors Toolbox vs Optimal Audio

The clearest difference is price: Sensors Toolbox at Free against Optimal Audio's $9.99. Sensors Toolbox also leads on iOS requirement (12.0 vs 18.6). Optimal Audio's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Sensors Toolbox is free to download; Optimal Audio costs $9.99 up front. Sensors Toolbox sells 2 one-off in-app purchases. Optimal Audio asks for nothing beyond the download.

## The numbers

| Metric | Sensors Toolbox | Optimal Audio |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.7 (164 ratings)](https://appshunter.io/ios/app/sensors-toolbox/id1242203428/reviews)** | — |
| Number of ratings | **164** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 18 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [Thomas Richardson](https://appshunter.io/developer/1887851473) |

## What reviewers say

### Sensors Toolbox

[App page](https://appshunter.io/ios/app/sensors-toolbox/id1242203428)

Diagnose your mobile device's status with this comprehensive tool. Access real-time data from all supported sensors, including motion, environmental, and hardware information. Test sensor functionality and view data graphically or in text format.

**Highlights:** Real-time sensor data display, Sensor testing functionality, Graphical and text data views, Detailed sensor descriptions, Altimeter, metal detector, compass, Accelerometer, gyroscope, magnetometer, Barometer, location, battery status

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |
| Go Premium, get new opportunities and features! | $1.99 | one-time |


### Optimal Audio

[App page](https://appshunter.io/ios/app/optimal-audio/id6762044458)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sensors Toolbox free?

Sensors Toolbox is free to download, with in-app purchases available.

### Is Optimal Audio free?

Optimal Audio costs $9.99, with no in-app purchases.

### Do Sensors Toolbox or Optimal Audio have ads?

Neither Sensors Toolbox nor Optimal Audio shows ads.

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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.*