# ColdAltitude 2 vs GC Wallet

The clearest difference is price: GC Wallet at Free against ColdAltitude 2's $4.99. ColdAltitude 2's advantage is review sentiment (25% vs 0%) and update cadence (monthly vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

GC Wallet is free to download; ColdAltitude 2 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ColdAltitude 2 ships an update monthly, GC Wallet every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ColdAltitude 2 | GC Wallet |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[1.3 (3 ratings)](https://appshunter.io/ios/app/coldaltitude-2/id1297022907/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 17 MB | 51 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Adam Kusch](https://appshunter.io/developer/460225501) | [Employment and Social Development Canada](https://appshunter.io/developer/1351432364) |

## What reviewers say

### ColdAltitude 2

[App page](https://appshunter.io/ios/app/coldaltitude-2/id1297022907)

Calculate temperature-corrected approach altitudes for aviation. Input field elevation and temperature to get corrected altitudes, with options to store, edit, and retrieve approaches for future use. Also provides METAR and TAF data for approach airports.

**Highlights:** Temperature corrected altitude calculation, Store and manage approaches, Search approaches by airport, METAR & TAF data retrieval, AIM formula calculation

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

**In-app purchases:** none


### GC Wallet

[App page](https://appshunter.io/ios/app/gc-wallet/id6741923393)

Securely store, manage, and present your digital credentials. This privacy-respecting application allows for the digital verification of information, acting as a digital wallet for electronic equivalents of physical documents. Currently supports a limited set of credentials for approved pilot participants.

**Highlights:** Securely store digital credentials, Manage digital documents, Present credentials for verification, Privacy-respecting design, Digital wallet functionality

**In-app purchases:** none


## Frequently asked questions

### Is ColdAltitude 2 free?

ColdAltitude 2 costs $4.99, with no in-app purchases.

### Is GC Wallet free?

GC Wallet is free to download, with no in-app purchases.

### Do ColdAltitude 2 or GC Wallet have ads?

Neither ColdAltitude 2 nor GC Wallet shows ads.

### Which is updated more often, ColdAltitude 2 or GC Wallet?

ColdAltitude 2 ships an update monthly, and GC Wallet every 2 months. Most recently, ColdAltitude 2 was updated on October 29, 2026 and GC Wallet on October 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.*