# A vs ColdTempCorr

The clearest difference is in-app purchases: A at none against ColdTempCorr's 2. A also leads on update cadence (every 5 days vs every 4 months) and iOS requirement (15.0 vs 18.6). 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. A asks for nothing beyond the download.

A ships an update every 5 days, ColdTempCorr every 4 months. The most recent releases landed on October 3, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | A | ColdTempCorr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/a-cdm/id1289152770/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 95 MB | 4 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [飞友科技](https://appshunter.io/developer/1271295632) | [AeroKitPro LLC](https://appshunter.io/developer/1049063068) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-cdm/id1289152770)

Access real-time flight details, operational messages, and weather forecasts. This app provides airport statistics and essential information for ACDM members.

**Highlights:** Flight information, Messages and alerts, Weather forecasts, Airport statistics, ACDM member access

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

**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 A free?

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

### Is ColdTempCorr free?

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

### Do A or ColdTempCorr have ads?

Neither A nor ColdTempCorr shows ads.

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

A ships an update every 5 days, and ColdTempCorr every 4 months. Most recently, A was updated on October 3, 2026 and ColdTempCorr on September 22, 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.*