# FMS A350 vs ColdTempCorr

The clearest difference is in-app purchases: FMS A350 at none against ColdTempCorr's 2. FMS A350 also leads on review sentiment (33% vs 0%) and update cadence (every 2 weeks vs every 4 months). On price, ads 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. FMS A350 asks for nothing beyond the download.

FMS A350 ships an update every 2 weeks, ColdTempCorr every 4 months. The most recent releases landed on June 1, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | FMS A350 | ColdTempCorr |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 43 MB | 4 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ECA Faros](https://appshunter.io/developer/1109979311) | [AeroKitPro LLC](https://appshunter.io/developer/1049063068) |

## What reviewers say

### FMS A350

[App page](https://appshunter.io/ios/app/fms-a350/id1179048028)

This application provides a free play simulation for familiarizing users with the A350 Flight Management System. It offers an easy-to-use interface and a comprehensive set of functions, adding value before expensive simulator sessions.

**Highlights:** A350 FMS familiarization, Free play simulation, Accurate simulation, Easy-to-use interface, Complete set of functions

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is FMS A350 free?

FMS A350 is free to download, with no in-app purchases.

### Is ColdTempCorr free?

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

### Do FMS A350 or ColdTempCorr have ads?

Neither FMS A350 nor ColdTempCorr shows ads.

### Which is updated more often, FMS A350 or ColdTempCorr?

FMS A350 ships an update every 2 weeks, and ColdTempCorr every 4 months. Most recently, FMS A350 was updated on June 1, 2026 and ColdTempCorr on September 7, 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.*