Comparison

OffBlock vs ColdTempCorr

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

Head to head
About

OffBlock

This app combines a smart pilot logbook with a flight crew organizer. It offers features like automated roster imports, flight logging, and crew communication tools. Share your aviation life and manage your professional schedule efficiently.

Highlights
  • Smart flight logging
  • Automated roster imports
  • Integrated aircraft management
  • Calendar with timeline
  • Crew communication tools
  • Roster sharing
  • Data export in official formats
Features
Read full description

The features you love combined in one app: Pilot Logbook – Created to do the work, with no work for you. • Smart flight logging, optimized for speed • Integrated aircraft management • Digital signature • Precise night time calculation • Powerful statistics, also for type- and class ratings • Data export, PDF reports in official formats (EASA, FAA) • Certificate manager • Extensive airport database, location info & aviation weather • Easy data import from third party apps Flight Crew App – Keep up. Be organized. Stay connected. • Calendar with timeline • Automated roster imports (“Live Updates”) • Push notifications & highlighting of roster changes • Calendar export to your private calendars • Crewlists for upcoming und past flights • Common events • Messaging (private chats & groups) • Flight map – ready to share on social media Roster Sharing – Share your aviation life. With privacy built in. • Connect with friends & colleagues • Check their rosters • Find common off days • Extra: OffBlock Family App for your non-flying family and friends The roster evaluation software „easy dutyplan“ is directly integrated into OffBlock - save money even faster and easier on your tax return! Supported roster systems: • AIMS eCrew • eCrew OCR • CBL WinOps • CrewConnex • CrewWebPlus APM • Jeppesen Crew Access • Leon • Lufthansa Group Open API • NetLine/CrewLink, Crew IDP • Planeación • RAIDO • Sabre CWP • SGT • SkedPlus+ • TOPS FREE 60 day trial on signup.

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/

Screenshots

OffBlock4 screens
ColdTempCorr4 screens

Verdict

The call

The clearest difference is review sentiment: OffBlock at 48% against ColdTempCorr's 0%. OffBlock also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (14.0 vs 18.6). On price, ads, in-app purchases and monetization model 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

Both are free to download. OffBlock sells 4 in-app purchases, starting at $2.99 per month and ColdTempCorr sells 2 in-app purchases, starting at $2.99 per 3 months. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

OffBlock ships an update every 2 months, ColdTempCorr every 4 months. The most recent releases landed on September 24, 2026 and September 7, 2026 respectively.

Scorecard3 real differences · 7 level
OffBlock versus ColdTempCorr: the parameters behind the verdict, then further details
ParameterOffBlockColdTempCorr
PriceFreeFree
Rating4.7 (102 ratings) — better—
Positive reviews48.3% of reviews — better0.0% of reviews
Number of ratings102 — better—
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better18.6
Further details — not scored
Size275 MB4 MB
Age rating4+4+
DeveloperOffBlock GmbHAeroKitPro LLC

Customer experience

OffBlock

All ratings102 ratings
Positive94.1%
Neutral0.0%
Negative5.9%
Written reviews87 reviews
Positive48.3%
Neutral10.3%
Negative41.4%

ColdTempCorr

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

Bugs and requests

OffBlock

Reported bugs

14 issues
  • Roster import not working
  • App is unusable
  • Roster autodownload and manual download doesn't work
  • Stby duties are not visible
  • Data lost
Show 9 more
  • App crashes
  • Dates bugging
  • Calendar export not working
  • Synchronization issues with Offblock-Family
  • Import roster stuck at 0%
  • Total flight hours not visible without payment
  • Statistics data lost after forced migration
  • All old data gone after update
  • Remark option not reintroduced

Requested features

6 requests
  • Export in calendar view for printing
  • Calendar export to be fixed
  • More content in logbook for general aviation
  • Reintroduce 'remark' option
  • Desktop version available again
Show 1 more
  • Integration of other airlines for connecting with friends outside own airline

ColdTempCorr

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

OffBlock

Subscriptions4
  • OffBlock Pro (1 month)$2.991 Month
  • OffBlock Pro+ (1 month)$6.991 Month
  • OffBlock Pro (1 year)$29.991 Year
Show 1 more
  • OffBlock Pro+ (1 year)$69.991 Year
2 purchases

ColdTempCorr

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

Questions

Is OffBlock free?
OffBlock is free to download, with in-app purchases available.
Is ColdTempCorr free?
ColdTempCorr is free to download, with in-app purchases available.
Do OffBlock or ColdTempCorr have ads?
Neither OffBlock nor ColdTempCorr shows ads.
Which is updated more often, OffBlock or ColdTempCorr?
OffBlock ships an update every 2 months, and ColdTempCorr every 4 months. Most recently, OffBlock was updated on September 24, 2026 and ColdTempCorr on September 7, 2026.

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