Comparison

ColdTempCorr vs HOTs.

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

Head to head
About

ColdTempCorr

This professional aviation tool helps pilots calculate necessary cold temperature corrections for flight operations. It ensures compliance with aviation regulations by providing accurate altitude adjustments in cold weather, enhancing safety and efficiency.

Highlights
  • Cold temperature correction calculations
  • ICAO PANS-OPS and FAA TERPS compliance
  • Advanced atmospheric calculations
  • Constant Descent Final Approach planning
  • Air data conversions
Features
Read full description

Cold Temperature Corrections – Professional Aviation Tool When outside air temperature is colder than ISA, an aircraft’s true altitude is lower than the indicated altitudeβ€”reducing terrain and obstacle clearance. To mitigate this risk, regulations require pilots to apply cold temperature corrections. The Cold Temp App streamlines this process with fast, accurate calculations based on the ICAO Cold Temperature Correction Table or precise engineering equations, ensuring compliance with ICAO PANS-OPS and FAA TERPS. In its latest revision, the app has been enhanced with additional modules: β€’ ATMOS Module – Advanced atmospheric calculations, ISA parameters, and air data conversions. β€’ CDFA Module – Constant Descent Final Approach planning with integrated cold temperature corrections. With expanded capabilities, regulatory compliance, and operational accuracy, the Cold Temp App is an essential professional tool for safe and efficient flight operations in cold-weather environments. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

HOTs.

This aviation tool provides pilots with critical operational data and real-time hazard monitoring. Visualize global weather and turbulence reports on an interactive 3D globe for enhanced situational awareness.

Highlights
  • Real-time hazard monitoring
  • Interactive 3D globe visualization
  • SIGMETs, PIREPs, AIREPs
  • Turbulence reports
  • High-level hazard overlays
  • Pilot-focused interface
Read full description

HOTs is an operational flight intelligence platform built for professional pilots. Originally designed as a winter operations holdover calculator, HOTs has evolved into a comprehensive aviation hazard and situational awareness tool β€” delivering critical operational data in a clean, pilot-focused interface. Monitor aviation hazards worldwide through an interactive 3D globe: β€’ SIGMETs β€’ PIREPs β€’ AIREPs β€’ Turbulence reports β€’ High-level hazard overlays See threats at cruise levels, oceanic routes, and continental airspace in real time.

Screenshots

ColdTempCorr4 screens
HOTs.4 screens

Verdict

The call

The clearest difference is review sentiment: HOTs. at 100% against ColdTempCorr's 0%. HOTs. also leads on update cadence (every 4 days vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. ColdTempCorr sells 2 in-app purchases, starting at $2.99 per 3 months and HOTs. sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ColdTempCorr ships an update every 4 months, HOTs. every 4 days. The most recent releases landed on September 7, 2026 and June 4, 2026 respectively.

Scorecard2 real differences Β· 6 level
ColdTempCorr versus HOTs.: the parameters behind the verdict, then further details
ParameterColdTempCorrHOTs.
PriceFreeFree
Positive reviews0.0% of reviews100.0% of reviews β€” better
Update frequencyEvery 4 monthsEvery 4 days β€” better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.618.6
Further details β€” not scored
Size4 MB104 MB
Age rating4+4+
DeveloperAeroKitPro LLCLagary Systems, Inc.

Customer experience

ColdTempCorr

Written reviews3 reviews
Positive0.0%
Neutral33.3%
Negative66.7%

HOTs.

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

ColdTempCorr

Subscriptions2
  • 3 Months subscription1 Month trial$2.993 Months
  • One year subscription1 Month trial$9.991 Year
1 purchases

HOTs.

Subscriptions1
  • HOTs Full Access3 Days trial$9.991 Year

Questions

Is ColdTempCorr free?
ColdTempCorr is free to download, with in-app purchases available.
Is HOTs. free?
HOTs. is free to download, with in-app purchases available.
Do ColdTempCorr or HOTs. have ads?
Neither ColdTempCorr nor HOTs. shows ads.
Which is updated more often, ColdTempCorr or HOTs.?
ColdTempCorr ships an update every 4 months, and HOTs. every 4 days. Most recently, ColdTempCorr was updated on September 7, 2026 and HOTs. on June 4, 2026.

Other comparisons