# Cold Correct vs RosterSync

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.

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.

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.

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.

## The numbers

| Metric | Cold Correct | RosterSync |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/cold-correct/id1169832115/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rostersync/id6759645143/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 60 months | **Every 3 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 10 MB | 66 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SJR Ventures LLC](https://appshunter.io/developer/1169832114) | [AeroSync Studio](https://appshunter.io/developer/1888070954) |

## What reviewers say

### Cold Correct

[App page](https://appshunter.io/ios/app/cold-correct/id1169832115)

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

**In-app purchases:** none


### RosterSync

[App page](https://appshunter.io/ios/app/rostersync/id6759645143)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 버전 업그레이드 | $2.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*