# ColdTempCorr vs PaperLog

The clearest difference is update cadence: PaperLog at fortnightly against ColdTempCorr's every 4 months. On price, ads, in-app purchases and monetization model there is nothing between them.

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

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

## The numbers

| Metric | ColdTempCorr | PaperLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/paperlog-pilot-logbook/id6760224846/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 4 MB | 23 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AeroKitPro LLC](https://appshunter.io/developer/1049063068) | [AeroSync Studio](https://appshunter.io/developer/1888070954) |

## 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 |


### PaperLog

[App page](https://appshunter.io/ios/app/paperlog-pilot-logbook/id6760224846)

This app digitizes the traditional pilot logbook, offering a secure and organized way to record flight history. It features automatic schedule parsing, cloud backup, and digital signature support for professional pilots.

**Highlights:** Digital pilot logbook, Cloud backup, Automatic schedule parsing, Digital signature support, Printable logbook export, ICAO and IATA airport code support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is ColdTempCorr free?

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

### Is PaperLog free?

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

### Do ColdTempCorr or PaperLog have ads?

Neither ColdTempCorr nor PaperLog shows ads.

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

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