# Level gauge vs altimeter professional

The clearest difference is rating: Level gauge at 4.6 against altimeter professional's 4.0. Level gauge also leads on in-app purchases (none vs 3) and review sentiment (94% vs 61%). On price, ratings volume, 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. Level gauge asks for nothing beyond the download.

Level gauge holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 12 and 25 respectively. Written reviews point the same way: 94% of Level gauge's written reviews are positive against 61% of altimeter professional's.

Level gauge ships an update every 9 months, altimeter professional every 67 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Level gauge | altimeter professional |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (12 ratings)](https://appshunter.io/ios/app/level-gauge/id558393386/reviews)** | [4.0 (25 ratings)](https://appshunter.io/ios/app/altimeter-professional/id1033563012/reviews) |
| Number of ratings | 12 | **25** |
| Positive reviews | **93.6% of reviews** | 61.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 9 months** | Every 67 months |
| Monetization | Ad-supported | **Free** |
| Size | 16 MB | 27 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tatsuki](https://appshunter.io/developer/558393529) | [FFZ srl](https://appshunter.io/developer/533499912) |

## What reviewers say

### Level gauge

[App page](https://appshunter.io/ios/app/level-gauge/id558393386)

This intuitive tool allows you to measure angles and levels in multiple orientations. It offers high precision with smooth movement and includes calibration and hold functions for stable readings. Customize its appearance while enjoying its powerful yet simple design.

**Highlights:** Measure horizontal, vertical, and flat angles, High precision measurements, Smooth and stable readings, Calibration function, Hold function, Customizable appearance

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Level gauge free?

Level gauge is free to download, with no in-app purchases.

### Is altimeter professional free?

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

### Which has better reviews, Level gauge or altimeter professional?

Level gauge is rated higher. Level gauge averages 4.6 out of 5 from 12 ratings, while altimeter professional averages 4.0 from 25 ratings.

### Do Level gauge or altimeter professional have ads?

Both Level gauge and altimeter professional show ads.

### Which is updated more often, Level gauge or altimeter professional?

Level gauge ships an update every 9 months, and altimeter professional every 67 months. Most recently, Level gauge was updated on October 23, 2026 and altimeter professional on October 26, 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.*