# coolAltitude vs Airvix

The clearest difference is price: Airvix at Free against coolAltitude's $7.99. Airvix also leads on update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Airvix is free to download; coolAltitude costs $7.99 up front. coolAltitude sells 2 in-app purchases, starting at $7.99 per year and Airvix sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

coolAltitude ships an update every 3 months, Airvix every 3 weeks. The most recent releases landed on October 26, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | coolAltitude | Airvix |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/coolaltitude/id641533221/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 67 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [SilkIdea s.r.o.](https://appshunter.io/developer/413936304) | [Stefan Bogdanovic](https://appshunter.io/developer/1760390980) |

## What reviewers say

### coolAltitude

[App page](https://appshunter.io/ios/app/coolaltitude/id641533221)

This professional tool assists IFR pilots in cold weather with temperature corrections for instrument approaches. It integrates weather, runway, and de-/anti-icing data into a clear workflow to reduce workload and enhance situational awareness during flight preparation.

**Highlights:** Temperature-corrected altitude calculations for various approaches, Integrated weather and runway condition data, De-/anti-icing support with holdover time timers, SNOWTAM decoding and braking action information, Save and share approach presets and operational data

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| De & Anti-Icing Pro | $7.99 | per year |
| Save & Retrieve Approach Data | $7.99 | per year |


### Airvix

[App page](https://appshunter.io/ios/app/airvix-flight-plan-and-log/id6593708522)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Annually | $19.99 | per year |


## Frequently asked questions

### Is coolAltitude free?

coolAltitude costs $7.99, and also offers in-app purchases.

### Is Airvix free?

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

### Do coolAltitude or Airvix have ads?

Neither coolAltitude nor Airvix shows ads.

### Which is updated more often, coolAltitude or Airvix?

coolAltitude ships an update every 3 months, and Airvix every 3 weeks. Most recently, coolAltitude was updated on October 26, 2026 and Airvix on September 15, 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.*