# ColdTempCorr vs Ultra Light Performance Tool

The clearest difference is iOS requirement: Ultra Light Performance Tool at 12.0 against ColdTempCorr's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ColdTempCorr sells 2 in-app purchases, starting at $2.99 per 3 months and Ultra Light Performance Tool sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ColdTempCorr ships an update every 4 months, Ultra Light Performance Tool every 3 months. The most recent releases landed on September 22, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | ColdTempCorr | Ultra Light Performance Tool |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 30 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AeroKitPro LLC](https://appshunter.io/developer/1049063068) | [Konstantin Ludwig](https://appshunter.io/developer/1642383019) |

## 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 |


### Ultra Light Performance Tool

[App page](https://appshunter.io/ios/app/ultra-light-performance-tool/id6464596500)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation 1€ | $0.99 | one-time |
| Donation 1€ | $1.99 | one-time |
| Donation 1€ | $3.99 | one-time |
| Donation 1€ | $8.99 | one-time |
| Donation 1€ | $12.99 | one-time |
| Donation 1€ | $17.99 | one-time |
| Donation 1€ | $44.99 | one-time |


## Frequently asked questions

### Is ColdTempCorr free?

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

### Is Ultra Light Performance Tool free?

Ultra Light Performance Tool is free to download, with in-app purchases available.

### Do ColdTempCorr or Ultra Light Performance Tool have ads?

Neither ColdTempCorr nor Ultra Light Performance Tool shows ads.

### Which is updated more often, ColdTempCorr or Ultra Light Performance Tool?

ColdTempCorr ships an update every 4 months, and Ultra Light Performance Tool every 3 months. Most recently, ColdTempCorr was updated on September 22, 2026 and Ultra Light Performance Tool on September 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.*