# Airport Notes vs ColdTempCorr

The clearest difference is ads: ColdTempCorr at none against Airport Notes's shown. Airport Notes's advantage is update cadence (every 6 weeks vs every 4 months) and iOS requirement (15.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Airport Notes sells 1 one-off in-app purchase and ColdTempCorr sells 2 in-app purchases, starting at $2.99 per 3 months. Whichever you choose, the download price is not the number that matters.

Airport Notes ships an update every 6 weeks, ColdTempCorr every 4 months. The most recent releases landed on September 18, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Airport Notes | ColdTempCorr |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 58 MB | 4 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bahadir ARSLAN](https://appshunter.io/developer/1445887121) | [AeroKitPro LLC](https://appshunter.io/developer/1049063068) |

## What reviewers say

### Airport Notes

[App page](https://appshunter.io/ios/app/airport-notes/id1445887122)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 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 Airport Notes free?

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

### Is ColdTempCorr free?

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

### Do Airport Notes or ColdTempCorr have ads?

Airport Notes shows ads; ColdTempCorr does not.

### Which is updated more often, Airport Notes or ColdTempCorr?

Airport Notes ships an update every 6 weeks, and ColdTempCorr every 4 months. Most recently, Airport Notes was updated on September 18, 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.*