# altimeter professional vs Sensors Toolbox

The clearest difference is in-app purchases: Sensors Toolbox at none against altimeter professional's 3. Sensors Toolbox also leads on update cadence (every 7 months vs every 67 months) and ratings volume (134 vs 27). altimeter professional's advantage is review sentiment (61% vs 53%). On price, rating, ads and device support there is nothing between them.

Both are free to download. altimeter professional sells 3 in-app purchases, starting at $1.99 per month. Sensors Toolbox asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.1 for altimeter professional against 4.2 for Sensors Toolbox. Both are backed by a comparable volume of ratings — 27 and 134 respectively. Written reviews are what separate them: 61% of altimeter professional's written reviews are positive against 53% of Sensors Toolbox's.

altimeter professional ships an update every 67 months, Sensors Toolbox every 7 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | altimeter professional | Sensors Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (27 ratings)](https://appshunter.io/ios/app/altimeter-professional/id1033563012/reviews) | **[4.2 (134 ratings)](https://appshunter.io/ios/app/sensors-toolbox-multitool/id1383687190/reviews)** |
| Number of ratings | 27 | **134** |
| Positive reviews | **61.0% of reviews** | 52.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 67 months | **Every 7 months** |
| Monetization | **Free** | Ad-supported |
| Size | 27 MB | 17 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FFZ srl](https://appshunter.io/developer/533499912) | [Andrew Neal](https://appshunter.io/developer/1102865152) |

## What reviewers say

### altimeter professional

[App page](https://appshunter.io/ios/app/altimeter-professional/id1033563012)

This app provides highly accurate altitude and position detection using GPS and barometric sensors. It features a graphical analog display with digital readings, tracks maximum altitude reached, and allows users to calibrate readings. You can also take and share photos with location data or send emergency SMS messages with GPS coordinates.

**Highlights:** Accurate altitude and position detection, Analog and digital display, Maximum altitude tracking, Photo capture with altitude and location, Emergency SMS with GPS coordinates, Altitude calibration, Meters or feet display

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Month | $1.99 | per month |
| Premium 6 Months | $6.99 | per 6 months |
| Premium 1 Year | $11.99 | per year |


### Sensors Toolbox

[App page](https://appshunter.io/ios/app/sensors-toolbox-multitool/id1383687190)

Access and visualize data from all your smartphone's sensors in real time. Collect information from accelerometers, gyroscopes, GPS, barometers, and more, then convert it into easy-to-read graphs. This app offers a clean, intuitive interface for comprehensive sensor analysis.

**Highlights:** Real-time sensor data collection, Accelerometer, gyroscope, GPS, Barometer, decibel meter, metal detector, Compass functionality, Intuitive graph visualization, User-friendly interface

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

**In-app purchases:** none


## Frequently asked questions

### Is altimeter professional free?

altimeter professional is free to download, with in-app purchases available.

### Is Sensors Toolbox free?

Sensors Toolbox is free to download, with no in-app purchases.

### Which has better reviews, altimeter professional or Sensors Toolbox?

Sensors Toolbox is rated higher. altimeter professional averages 4.1 out of 5 from 27 ratings, while Sensors Toolbox averages 4.2 from 134 ratings.

### Do altimeter professional or Sensors Toolbox have ads?

Both altimeter professional and Sensors Toolbox show ads.

### Which is updated more often, altimeter professional or Sensors Toolbox?

altimeter professional ships an update every 67 months, and Sensors Toolbox every 7 months. Most recently, altimeter professional was updated on November 6, 2026 and Sensors Toolbox on November 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.*