# coolAltitude vs QF PayVerify

The clearest difference is in-app purchases: QF PayVerify at none against coolAltitude's 2. QF PayVerify also leads on price ($0.99 vs $7.99) and update cadence (weekly vs every 5 months). On ads, device support and iOS requirement there is nothing between them.

coolAltitude costs $7.99 and QF PayVerify $0.99 up front. coolAltitude sells 2 in-app purchases, starting at $7.99 per year. QF PayVerify asks for nothing beyond the download.

coolAltitude ships an update every 5 months, QF PayVerify weekly. The most recent releases landed on September 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | coolAltitude | QF PayVerify |
| --- | --- | --- |
| Price | $7.99 | **$0.99** |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/coolaltitude/id641533221/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 49 MB | 48 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [SilkIdea s.r.o.](https://appshunter.io/developer/413936304) | [Daniel Levin](https://appshunter.io/developer/6787366939) |

## What reviewers say

### coolAltitude

[App page](https://appshunter.io/ios/app/coolaltitude/id641533221)

This professional tool assists IFR pilots in cold weather with temperature corrections for instrument approaches. It integrates weather, runway, and de-/anti-icing data into a clear workflow to reduce workload and enhance situational awareness during flight preparation.

**Highlights:** Temperature-corrected altitude calculations for various approaches, Integrated weather and runway condition data, De-/anti-icing support with holdover time timers, SNOWTAM decoding and braking action information, Save and share approach presets and operational data

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| De & Anti-Icing Pro | $7.99 | per year |
| Save & Retrieve Approach Data | $7.99 | per year |


### QF PayVerify

[App page](https://appshunter.io/ios/app/qf-payverify/id6788299708)

This app helps QF pilots verify their pay based on uploaded rosters. It calculates expected earnings for various pilot roles, duty types, and additional credits, aiding in financial budgeting. Easily share roster text files for quick analysis.

**Highlights:** Pay verification from uploaded rosters, Calculations for various pilot roles, Includes domestic and international DTA, Supports passive credits and overtime, Superannuation calculations, Easy roster text file sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is coolAltitude free?

coolAltitude costs $7.99, and also offers in-app purchases.

### Is QF PayVerify free?

QF PayVerify costs $0.99, with no in-app purchases.

### Do coolAltitude or QF PayVerify have ads?

Neither coolAltitude nor QF PayVerify shows ads.

### Which is updated more often, coolAltitude or QF PayVerify?

coolAltitude ships an update every 5 months, and QF PayVerify weekly. Most recently, coolAltitude was updated on September 7, 2026 and QF PayVerify on September 24, 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.*