# Sensors Toolbox vs FerdiLink Control

The clearest difference is in-app purchases: FerdiLink Control at none against Sensors Toolbox's 2. FerdiLink Control also leads on update cadence (daily vs every 5 months). Sensors Toolbox's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Sensors Toolbox sells 2 one-off in-app purchases. FerdiLink Control asks for nothing beyond the download.

Sensors Toolbox ships an update every 5 months, FerdiLink Control daily. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sensors Toolbox | FerdiLink Control |
| --- | --- | --- |
| Price | Free | Free |
| 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 | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [Ferdinando Tuccillo](https://appshunter.io/developer/6817727282) |

## 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 |

**What reviewers like**

- 👍 Easy and clean interface
- 🚀 Loads quickly
- 💡 Provides relevant and useful info
- 💰 Free to use
- 📈 Good for geomagnetic surveys

**What reviewers complain about**

- 🐛 Temperature sensor not available
- 📉 Low refresh rate (2hz)
- 💸 Pay to win (in a game review, irrelevant)
- 📢 Unacceptable sound ads
- 🔒 Reads clipboard on startup

**Reported bugs**

- Temperature sensor not available
- Empty white screen with only graphics
- Low refresh rate
- Reads clipboard on startup
- Data reported as single point, not continuous

**Requested features**

- Japanese language support
- Add temperature sensor
- Allow data export
- Support data output for a period of time
- Define measurement period for display


### FerdiLink Control

[App page](https://appshunter.io/ios/app/ferdilink-control/id6821621095)

**In-app purchases:** none


## Frequently asked questions

### Is Sensors Toolbox free?

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

### Is FerdiLink Control free?

FerdiLink Control is free to download, with no in-app purchases.

### Do Sensors Toolbox or FerdiLink Control have ads?

Neither Sensors Toolbox nor FerdiLink Control shows ads.

### Which is updated more often, Sensors Toolbox or FerdiLink Control?

Sensors Toolbox ships an update every 5 months, and FerdiLink Control daily. Most recently, Sensors Toolbox was updated on November 11, 2026 and FerdiLink Control on October 31, 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.*