Comparison

coolAltitude vs Pilot DGR

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

coolAltitude

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
Read full description

coolAltitude is a professional aviation tool and calculator for IFR pilots operating in cold-weather conditions. It assists with temperature corrections during instrument approaches and integrates weather, runway and de-/anti-icing data into a single, clear workflow. Designed to reduce workload and improve situational awareness during flight preparation, coolAltitude focuses on accuracy, clarity and operational usability. Some advanced features require a paid subscription. -------------------------------- What coolAltitude does • Calculates temperature-corrected altitudes for ILS (CAT I), RNAV/GNSS, VOR and NDB approaches • Requires minimal data entry, using consistent color coding for immediate interpretation • Displays corrected altitudes along the entire approach profile at relevant DME distances • Supports flight path angle (FPA) calculations for FPA-enabled aircraft • Provides vertical speed reference tables (corrected and uncorrected) for various ground speeds • Includes QNH to QFE conversion tables with temperature corrections -------------------------------- Integrated weather and runway information • Live METAR interaction with automatic propagation of relevant values, including temperature (requires subscription) • SNOWTAM decoding with braking action information • RCAM (Runway Condition Assessment Matrix) based on ICAO GRF • Support for DME shift, including threshold, touchdown zone and displaced DME references -------------------------------- De-/Anti-icing support (requires subscription) • FAA Holdover Time (HOT) Guidelines for multiple fluid types and manufacturers • Integrated HOT countdown timer to track minimum and maximum recommended holdover times • Reference tables supporting assessment of snowfall intensity • Structured storage and sharing of airport-specific de-/anti-icing procedures -------------------------------- Saved and shared data (requires subscription) • Save and reload approach presets for individual airports and procedures • Share verified, structured operational data with other users • Local override of shared data when required -------------------------------- Built for professional use coolAltitude is built by pilots, for pilots. It is designed to support decision-making during high-workload phases without replacing approved procedures. -------------------------------- Important notice coolAltitude is an advisory tool only. It is not certified for operational use and does not replace approved documentation. Use in flight operations requires approval and operation as part of the operator’s Electronic Flight Bag (EFB) in accordance with applicable regulations. -------------------------------- coolAltitude does not replace your procedures. It helps you apply them correctly, even on the coldest days. -------------------------------- Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Pilot DGR

This app allows pilots to quickly search for dangerous goods information by UN number or name. It provides detailed data on risks, procedures, and regulations, with the ability to favorite items for easy access.

Highlights
  • Search dangerous goods by UN Number and Name
  • Add favorite dangerous goods
  • Drill codes lookup
  • Detailed risk and procedure information
  • Hazard class and UN number details
  • Quantity limitations
Features
Read full description

You will be able to search dangerous goods by UN Number and Name. You can add your favorite dangerous goods to your favorite list. You can use drill codes screen to find out which drill codes corresponds to which emergency response guide. Following data is presented on the application. *INHERENT RISK *RISK TO AIRCRAFT *RISK TO OCCUPANTS *SPILL OR LEAK PROCEDURE *FIREFIGHTING PROCEDURE *ADDITIONAL CONSIDERATIONS *DRILL LETTER *Description *Symbol *Hazard class or Division *UN Number *Package Group *Label Codes *Special Provisions *Packaging-Exceptions *Packaging-Non-bulk *Packaging-Bulk *Quantity Limitations-Passenger aircraft/rail *Quantity Limitations-Cargo aircraft only *Vessel Stowage-Location *Vessel Stowage-Other

Screenshots

coolAltitude4 screens
Pilot DGR4 screens

Verdict

The call

The clearest difference is review sentiment: coolAltitude at 75% against Pilot DGR's 14%. coolAltitude also leads on rating (5.0 vs 1.3) and update cadence (every 5 months vs every 30 months). Pilot DGR's advantage is price (Free vs $7.99) and iOS requirement (11.0 vs 17.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Pilot DGR is free to download; coolAltitude costs $7.99 up front. coolAltitude sells 2 in-app purchases, starting at $7.99 per year and Pilot DGR sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

coolAltitude holds the better App Store score, 5.0 against 1.3. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews point the same way: 75% of coolAltitude's written reviews are positive against 14% of Pilot DGR's.

UpkeepUpdate frequency

coolAltitude ships an update every 5 months, Pilot DGR every 30 months. The most recent releases landed on September 7, 2026 and August 15, 2026 respectively.

Scorecard6 real differences · 4 level
coolAltitude versus Pilot DGR: the parameters behind the verdict, then further details
ParametercoolAltitudePilot DGR
Price$7.99Free — better
Rating5.0 (7 ratings) — better1.3 (4 ratings)
Positive reviews75.0% of reviews — better14.3% of reviews
Number of ratings7 — better4
Update frequencyEvery 5 months — betterEvery 30 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.011.0 — better
Further details — not scored
Size49 MB11 MB
Age rating17+4+
DeveloperSilkIdea s.r.o.Mindsoft Technology

Customer experience

coolAltitude

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Pilot DGR

All ratings4 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews7 reviews
Positive14.3%
Neutral0.0%
Negative85.7%

In-app purchases

2 purchases

coolAltitude

Subscriptions2
  • De & Anti-Icing Pro$7.991 Year
  • Save & Retrieve Approach Data$7.991 Year
1 purchases

Pilot DGR

One-time1
  • Professional Edition$1.99

Questions

Is coolAltitude free?
coolAltitude costs $7.99, and also offers in-app purchases.
Is Pilot DGR free?
Pilot DGR is free to download, with in-app purchases available.
Which has better reviews, coolAltitude or Pilot DGR?
coolAltitude is rated higher. coolAltitude averages 5.0 out of 5 from 7 ratings, while Pilot DGR averages 1.3 from 4 ratings.
Do coolAltitude or Pilot DGR have ads?
Neither coolAltitude nor Pilot DGR shows ads.
Which is updated more often, coolAltitude or Pilot DGR?
coolAltitude ships an update every 5 months, and Pilot DGR every 30 months. Most recently, coolAltitude was updated on September 7, 2026 and Pilot DGR on August 15, 2026.

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