# AspectAvy vs River Rat

The clearest difference is update cadence: River Rat at every 10 days against AspectAvy's every 2 months. River Rat also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

AspectAvy ships an update every 2 months, River Rat every 10 days. The most recent releases landed on June 8, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | AspectAvy | River Rat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (37 ratings)](https://appshunter.io/ios/app/aspectavy/id1660488296/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 83 MB | 53 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Aspect Avy Inc](https://appshunter.io/developer/1660487514) | [Evil Twin Enterprises, LLC](https://appshunter.io/developer/6772654365) |

## What reviewers say

### AspectAvy

[App page](https://appshunter.io/ios/app/aspectavy/id1660488296)

This app provides real-time avalanche safety information and tools for backcountry enthusiasts. It features dynamic slope angle shading, live forecasts, and LiDAR mapping to help users assess risk and make informed decisions in avalanche terrain.

**Highlights:** Dynamic slope angle shading, Live avalanche and weather forecasts, LiDAR mapping, Safety checklists, Built-in slope angle meter, Route tracking and sharing

**In-app purchases:** none


### River Rat

[App page](https://appshunter.io/ios/app/river-rat/id6772654363)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AspectAvy free?

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

### Is River Rat free?

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

### Do AspectAvy or River Rat have ads?

Neither AspectAvy nor River Rat shows ads.

### Which is updated more often, AspectAvy or River Rat?

AspectAvy ships an update every 2 months, and River Rat every 10 days. Most recently, AspectAvy was updated on June 8, 2026 and River Rat on August 22, 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.*