Comparison

Cold Correct vs RosterSync

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

Head to head
About

Cold Correct

Calculate temperature corrected altitude using data from aviation manuals. This utility helps pilots and aviation professionals adjust altitude readings based on cold temperature conditions.

Highlights
  • Temperature corrected altitude calculation
  • Uses AIM data
  • ICAO cold temperature correction table
  • Altitude adjustment for cold weather
Read full description

Using data from the Aeronautical Information Manual (AIM) and the ICAO cold temperature correction table this application can compute a temperature corrected altitude.

About

RosterSync

Manage and share your flight schedules with airline crew. This utility automatically syncs your roster, offers robust security for login credentials, and allows real-time schedule comparison with colleagues. Export your schedule to your native calendar for seamless organization.

Highlights
  • Automated schedule sync
  • Secure credential storage
  • Real-time schedule sharing
  • Cross-comparison with colleagues
  • Calendar export (iCloud/Google)
  • Privacy permission settings
Features
Read full description

A New Standard for Your Flight Life, RosterSync! RosterSync is a smart utility designed for busy airline crew members to easily manage and securely share their complex flight rosters. With a sleek deep-sea theme and robust security features, we make your aviation life more comfortable and organized. [Key Features] 1. Smart Automated Schedule Sync Log in just once to your airline portal, and RosterSync will automatically parse your complex flight schedule and display it beautifully on the in-app calendar. Easily check your layovers, off days, and flight numbers at a glance. 2. Ironclad Security with Apple Keychain Your valuable airline portal login credentials (Employee ID and Password) are securely encrypted and stored ONLY within your iPhone's native 'Keychain'. They are NEVER transmitted to any external server, ensuring your absolute privacy. 3. Real-Time Schedule Sharing & Comparison Add colleagues via social login (Apple, Google) and cross-compare your schedules in real-time. Instantly see "who is flying where" and maintain your privacy with detailed search permission settings (e.g., Public, Same Airline Only, Private). 4. Calendar Export (iCloud & Google) Seamlessly export your RosterSync schedule to your native iOS Calendar or Google Calendar. For iCloud accounts, the app can automatically create a dedicated orange 'RosterSync' calendar to keep things perfectly organized! Start a smarter, more enjoyable flight life with RosterSync today!

Screenshots

Cold Correct1 screens
RosterSync4 screens

Verdict

The call

The clearest difference is price: RosterSync at Free against Cold Correct's $0.99. RosterSync also leads on rating (5.0 vs 4.5) and update cadence (every 3 days vs every 60 months). Cold Correct's advantage is in-app purchases (none vs 1) and ads (none vs shown). On ratings volume 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

RosterSync is free to download; Cold Correct costs $0.99 up front. RosterSync sells 1 one-off in-app purchase. Cold Correct asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

RosterSync holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews complicate that: 100% of Cold Correct's written reviews are positive against 80% of RosterSync's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Cold Correct ships an update every 60 months, RosterSync every 3 days. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.

Scorecard8 real differences · 2 level
Cold Correct versus RosterSync: the parameters behind the verdict, then further details
ParameterCold CorrectRosterSync
Price$0.99Free — better
Rating4.5 (2 ratings)5.0 (3 ratings) — better
Positive reviews100.0% of reviews — better80.0% of reviews
Number of ratings23 — better
Update frequencyEvery 60 monthsEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, Apple Watch
Requires iOS16.4 — better18.0
Further details — not scored
Size10 MB66 MB
Age rating4+4+
DeveloperSJR Ventures LLCAeroSync Studio

Customer experience

Cold Correct

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

RosterSync

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

None

Cold Correct

No in-app purchases

1 purchases

RosterSync

One-time1
  • Pro 버전 업그레이드$2.99

Questions

Is Cold Correct free?
Cold Correct costs $0.99, with no in-app purchases.
Is RosterSync free?
RosterSync is free to download, with in-app purchases available.
Which has better reviews, Cold Correct or RosterSync?
RosterSync is rated higher. Cold Correct averages 4.5 out of 5 from 2 ratings, while RosterSync averages 5.0 from 3 ratings.
Do Cold Correct or RosterSync have ads?
RosterSync shows ads; Cold Correct does not.
Which is updated more often, Cold Correct or RosterSync?
Cold Correct ships an update every 60 months, and RosterSync every 3 days. Most recently, Cold Correct was updated on October 10, 2026 and RosterSync on October 28, 2026.

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