# Avalanche Canada vs eTDC

The clearest difference is update cadence: eTDC at every 5 days against Avalanche Canada's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Avalanche Canada ships an update every 3 weeks, eTDC every 5 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Avalanche Canada | eTDC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 108 MB | 172 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Avalanche Canada](https://appshunter.io/developer/700901959) | [Pawel Migdal](https://appshunter.io/developer/1792923476) |

## What reviewers say

### Avalanche Canada

[App page](https://appshunter.io/ios/app/avalanche-canada/id1440069335)

Provides winter backcountry users with improved decision-making information. Features an interactive map with geo-tagged data, including daily regional avalanche forecasts.

**Highlights:** Interactive map, Geo-tagged information layers, Daily regional avalanche forecasts, Improved decision-making for winter backcountry

**In-app purchases:** none


### eTDC

[App page](https://appshunter.io/ios/app/etdc/id6751596819)

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

**In-app purchases:** none


## Frequently asked questions

### Is Avalanche Canada free?

Avalanche Canada is free to download, with no in-app purchases.

### Is eTDC free?

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

### Do Avalanche Canada or eTDC have ads?

Neither Avalanche Canada nor eTDC shows ads.

### Which is updated more often, Avalanche Canada or eTDC?

Avalanche Canada ships an update every 3 weeks, and eTDC every 5 days. Most recently, Avalanche Canada was updated on October 24, 2026 and eTDC on October 30, 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.*