# ColdTempCorr vs Crewing

The clearest difference is review sentiment: Crewing at 83% against ColdTempCorr's 0%. Crewing also leads on update cadence (weekly vs every 4 months). ColdTempCorr's advantage is ads (none vs shown). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. ColdTempCorr sells 2 in-app purchases, starting at $2.99 per 3 months and Crewing sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ColdTempCorr ships an update every 4 months, Crewing weekly. The most recent releases landed on September 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ColdTempCorr | Crewing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/crewing/id6752578142/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 4 MB | 63 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AeroKitPro LLC](https://appshunter.io/developer/1049063068) | [SEUNGBIN YU](https://appshunter.io/developer/1839984546) |

## What reviewers say

### ColdTempCorr

[App page](https://appshunter.io/ios/app/coldtempcorr/id1639003124)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Months subscription | $2.99 | per 3 months |
| One year subscription | $9.99 | per year |


### Crewing

[App page](https://appshunter.io/ios/app/crewing/id6752578142)

Manage your crew's flight schedules and locations with this app. Share rosters, compare days off, and receive flight alerts. Offers smart schedule management with multiple categories and external calendar syncing.

**Highlights:** Smart schedule management, Real-time location sharing, Share and compare schedules, Widgets and flight alerts, 11 schedule categories, Sync with external calendars

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crewing Plus | $6.99 | per month |
| Crewing Plus | $59.99 | per year |


## Frequently asked questions

### Is ColdTempCorr free?

ColdTempCorr is free to download, with in-app purchases available.

### Is Crewing free?

Crewing is free to download, with in-app purchases available.

### Do ColdTempCorr or Crewing have ads?

Crewing shows ads; ColdTempCorr does not.

### Which is updated more often, ColdTempCorr or Crewing?

ColdTempCorr ships an update every 4 months, and Crewing weekly. Most recently, ColdTempCorr was updated on September 22, 2026 and Crewing on October 19, 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.*