# altimeter professional vs Variabi

The clearest difference is in-app purchases: Variabi at none against altimeter professional's 3. Variabi also leads on ads (none vs shown) and update cadence (every 2 days vs every 67 months). On price 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. Variabi asks for nothing beyond the download.

altimeter professional ships an update every 67 months, Variabi every 2 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | altimeter professional | Variabi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (25 ratings)](https://appshunter.io/ios/app/altimeter-professional/id1033563012/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 61.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 67 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 27 MB | 1 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FFZ srl](https://appshunter.io/developer/533499912) | [Maxime TANCHAUD](https://appshunter.io/developer/1677953943) |

## 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 |


### Variabi

[App page](https://appshunter.io/ios/app/variabi-list/id6476325282)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is altimeter professional free?

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

### Is Variabi free?

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

### Do altimeter professional or Variabi have ads?

altimeter professional shows ads; Variabi does not.

### Which is updated more often, altimeter professional or Variabi?

altimeter professional ships an update every 67 months, and Variabi every 2 days. Most recently, altimeter professional was updated on October 26, 2026 and Variabi on October 25, 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.*