# coolAltitude vs Cold WXR Altitude Correction

The clearest difference is in-app purchases: Cold WXR Altitude Correction at none against coolAltitude's 2. Cold WXR Altitude Correction also leads on price ($4.99 vs $7.99) and iOS requirement (15.0 vs 17.0). coolAltitude's advantage is review sentiment (60% vs 33%). On update cadence, ads and device support there is nothing between them.

coolAltitude costs $7.99 and Cold WXR Altitude Correction $4.99 up front. coolAltitude sells 2 in-app purchases, starting at $7.99 per year. Cold WXR Altitude Correction asks for nothing beyond the download.

coolAltitude ships an update every 3 months, Cold WXR Altitude Correction every 6 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | coolAltitude | Cold WXR Altitude Correction |
| --- | --- | --- |
| Price | $7.99 | **$4.99** |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/coolaltitude/id641533221/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | **60.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 49 MB | 13 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 17+ | 4+ |
| Developer | [SilkIdea s.r.o.](https://appshunter.io/developer/413936304) | [Ralf Keber](https://appshunter.io/developer/370422475) |

## 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 |


### Cold WXR Altitude Correction

[App page](https://appshunter.io/ios/app/cold-wxr-altitude-correction/id949285952)

This tool calculates and visualizes approach altitudes in cold weather conditions, offering a more precise method than standard corrections. It features a graphical interface for glide paths, corrected altitudes, and a table of distances with related corrected altitudes. Includes a handbook and dark mode for night operations.

**Highlights:** Cold weather altitude correction, METAR RWY Report decoder, Graphical altitude visualization, Distance-Altitude table, ICAO PANS OPS Doc 8168 based calculation, Dark mode for night operations

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

**In-app purchases:** none


## Frequently asked questions

### Is coolAltitude free?

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

### Is Cold WXR Altitude Correction free?

Cold WXR Altitude Correction costs $4.99, with no in-app purchases.

### Do coolAltitude or Cold WXR Altitude Correction have ads?

Neither coolAltitude nor Cold WXR Altitude Correction shows ads.

### Which is updated more often, coolAltitude or Cold WXR Altitude Correction?

coolAltitude ships an update every 3 months, and Cold WXR Altitude Correction every 6 months. Most recently, coolAltitude was updated on October 26, 2026 and Cold WXR Altitude Correction on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*