# OffBlock vs ColdTempCorr

The clearest difference is review sentiment: OffBlock at 48% against ColdTempCorr's 0%. OffBlock also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (14.0 vs 18.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. OffBlock sells 4 in-app purchases, starting at $2.99 per month 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.

OffBlock ships an update every 2 months, ColdTempCorr every 4 months. The most recent releases landed on September 24, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | OffBlock | ColdTempCorr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (102 ratings)](https://appshunter.io/ios/app/offblock/id1231996198/reviews)** | — |
| Number of ratings | **102** | — |
| Positive reviews | **48.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 275 MB | 4 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OffBlock GmbH](https://appshunter.io/developer/1231996197) | [AeroKitPro LLC](https://appshunter.io/developer/1049063068) |

## What reviewers say

### OffBlock

[App page](https://appshunter.io/ios/app/offblock/id1231996198)

This app combines a smart pilot logbook with a flight crew organizer. It offers features like automated roster imports, flight logging, and crew communication tools. Share your aviation life and manage your professional schedule efficiently.

**Highlights:** Smart flight logging, Automated roster imports, Integrated aircraft management, Calendar with timeline, Crew communication tools, Roster sharing, Data export in official formats

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OffBlock Pro (1 month) | $2.99 | per month |
| OffBlock Pro+ (1 month) | $6.99 | per month |
| OffBlock Pro (1 year) | $29.99 | per year |
| OffBlock Pro+ (1 year) | $69.99 | per year |

**What reviewers like**

- 👍 Great support team
- 👍 App is good and useful
- 👍 Top App
- 👍 Best Support and product
- 👍 Works without difficulty

**What reviewers complain about**

- 😞 Roster import not working
- 😞 App is unusable
- 😞 Way too expensive
- 😞 Service is really bad
- 😞 Data lost

**Reported bugs**

- Roster import not working
- App is unusable
- Roster autodownload and manual download doesn't work
- Stby duties are not visible
- Data lost

**Requested features**

- Export in calendar view for printing
- Calendar export to be fixed
- More content in logbook for general aviation
- Reintroduce 'remark' option
- Desktop version available again


### 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 OffBlock free?

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

### Is ColdTempCorr free?

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

### Do OffBlock or ColdTempCorr have ads?

Neither OffBlock nor ColdTempCorr shows ads.

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

OffBlock ships an update every 2 months, and ColdTempCorr every 4 months. Most recently, OffBlock was updated on September 24, 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.*