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coolAltitude

coolAltitude

Cold Weather IFR & Deicing

7 ratings
4 reviews
📊 Productivity
🗺️ Navigation
$7.99
In-App Purchases

Price history

Details

  • Released
  • Updated
  • May 2, 2013
  • June 15, 2026

Features

Developer

SilkIdea s.r.o.
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About

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.

✓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
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What's New in coolAltitude

4.5

June 15, 2026

• Improved offline operation for more reliable use on the go • Better connectivity monitoring and smarter synchronization when the connection returns • Various interface improvements and usability refinements

More

Subscription plans

De & Anti-Icing Pro

Complete de/anti-icing tables, fluids & HOT timer

$7.991 Year
How to cancel coolAltitude subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Theme

Previous dark thame was better.
Postal Dude RMSPostal Dude RMS

Excellent!

This is an excellent review; it fully meets the current operational requirements.
Congratulations, you did a great job.
YadelkarimYadelkarim

Response from developer

Thank you!

Not working

App keeps crashing, calculations are wrong and the design is too complicated ! That’s a theft! don’t download it !!!!
macfly5108macfly5108

Does what it says

Would have 5***** if it worked for positive high temps to help with warmer than ISA RNAV approach baro cross checks.
capt squirrelcapt squirrel

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FAQ

What is coolAltitude?

coolAltitude is a professional support tool designed for IFR pilots operating in cold-weather conditions. It helps with temperature corrections for instrument approaches and integrates various flight data for improved situational awareness.

Does coolAltitude replace approved procedures?

No, coolAltitude is an advisory tool only and does not replace approved documentation or procedures. It is designed to support decision-making and help pilots apply procedures correctly.

What features require a subscription in coolAltitude?

Advanced features such as live METAR interaction, SNOWTAM decoding, RCAM, FAA Holdover Time Guidelines, integrated HOT countdown timers, and the ability to save and share data require a paid subscription.

What are the subscription options for coolAltitude?

coolAltitude offers subscription plans for 'Save & Retrieve Approach Data' and 'De & Anti-Icing Pro', both priced at $7.99 per year.

Is coolAltitude certified for operational use?

No, coolAltitude is not certified for operational use. Its use in flight operations requires approval and operation as part of an Electronic Flight Bag (EFB) in accordance with applicable regulations.

What devices does coolAltitude support?

coolAltitude is supported on iPhone and iPad devices.

How often is coolAltitude updated?

The latest version of coolAltitude is 4.4, and it was last updated on January 20, 2026. This indicates a recent update schedule.

What is the age rating for coolAltitude?

coolAltitude has an age rating of 17+, suggesting it is intended for mature users due to its professional and technical nature.