Comparison

ColdTempCorr vs KERoster

Price, ratings, monetisation and update history for both apps, side by side — 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 altitude—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: • ATMOS Module – Advanced atmospheric calculations, ISA parameters, and air data conversions. • 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

KERoster

Easily input and view individual schedules by date or in a monthly calendar format. This app acts as a secondary calendar, displaying schedules as icons and allowing for detailed viewing, editing, and deletion. Additional flight-related functions will be added based on user feedback.

Highlights
  • Intuitive schedule input by date
  • Calendar view with schedule icons
  • Monthly calendar overview
  • Detailed schedule view
  • Schedule editing and deletion
  • List view of monthly schedules
Features
Read full description

All users can click the leftmost upload button at the bottom of the webview to intuitively input individual schedules by clicking on the desired date while viewing the calendar. This page is the Add Schedule By DATE page. When a schedule is entered, it appears on the calendar in the form of a small icon and acts as a secondary calendar. Clicking the rightmost calendar button at the bottom of the webview will display a monthly calendar based on the entered schedule, and clicking on a date will display a detailed schedule. Clicking the airplane button at the bottom will display a monthly view of the schedule in list form, and clicking on the corresponding month will display a detailed schedule and allow editing and deletion. The webview import and home buttons are for Iflight users. We will implement additional functions necessary for flights based on feedback in the future.

Screenshots

ColdTempCorr4 screens
KERoster4 screens

Verdict

The call

The clearest difference is review sentiment: KERoster at 83% against ColdTempCorr's 0%. KERoster also leads on in-app purchases (none vs 2) and update cadence (every 5 days vs every 4 months). ColdTempCorr's advantage is price (Free vs $0.49). On ads, device support and iOS requirement 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

ColdTempCorr is free to download; KERoster costs $0.49 up front. ColdTempCorr sells 2 in-app purchases, starting at $2.99 per 3 months. KERoster asks for nothing beyond the download.

UpkeepUpdate frequency

ColdTempCorr ships an update every 4 months, KERoster every 5 days. The most recent releases landed on September 7, 2026 and September 29, 2026 respectively.

Scorecard5 real differences · 5 level
ColdTempCorr versus KERoster: the parameters behind the verdict, then further details
ParameterColdTempCorrKERoster
PriceFree — better$0.49
Rating—5.0 (1 ratings) — better
Positive reviews0.0% of reviews83.3% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 4 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.618.0 — better
Further details — not scored
Size4 MB5 MB
Age rating4+17+
DeveloperAeroKitPro LLCJUNGSUB YOON

Customer experience

ColdTempCorr

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

KERoster

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

2 purchases

ColdTempCorr

Subscriptions2
  • 3 Months subscription1 Month trial$2.993 Months
  • One year subscription1 Month trial$9.991 Year
None

KERoster

No in-app purchases

Questions

Is ColdTempCorr free?
ColdTempCorr is free to download, with in-app purchases available.
Is KERoster free?
KERoster costs $0.49, with no in-app purchases.
Do ColdTempCorr or KERoster have ads?
Neither ColdTempCorr nor KERoster shows ads.
Which is updated more often, ColdTempCorr or KERoster?
ColdTempCorr ships an update every 4 months, and KERoster every 5 days. Most recently, ColdTempCorr was updated on September 7, 2026 and KERoster on September 29, 2026.

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