# Avalanche Lab vs AspectAvy

The clearest difference is review sentiment: Avalanche Lab at 91% against AspectAvy's 50%. Avalanche Lab also leads on rating (4.3 vs 3.8) and device support (3 vs 1). AspectAvy's advantage is in-app purchases (none vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Avalanche Lab sells 2 in-app purchases, starting at $9.99 per year. AspectAvy asks for nothing beyond the download.

Avalanche Lab holds the better App Store score, 4.3 against 3.8. Both are backed by a comparable volume of ratings — 15 and 37 respectively. Written reviews point the same way: 91% of Avalanche Lab's written reviews are positive against 50% of AspectAvy's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 26, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Avalanche Lab | AspectAvy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (15 ratings)](https://appshunter.io/ios/app/avalanche-lab/id477838698/reviews)** | [3.8 (37 ratings)](https://appshunter.io/ios/app/aspectavy/id1660488296/reviews) |
| Number of ratings | 15 | **37** |
| Positive reviews | **90.9% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 83 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [RENAISSANCE RECREATION LLC](https://appshunter.io/developer/961533274) | [Aspect Avy Inc](https://appshunter.io/developer/1660487514) |

## What reviewers say

### Avalanche Lab

[App page](https://appshunter.io/ios/app/avalanche-lab/id477838698)

Record snow and avalanche data in the field using your iPhone. Measure slope angles, record crown profiles, and map slides with GPS. Share your findings instantly with colleagues and the wider community.

**Highlights:** Snow pit diagram creation, GPS slide mapping, Slope angle measurement, Crown profile recording, Offline field use, Data export (PDF, KML, CAAML), Import CAAML profiles

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Observation PRO Subscription | $9.99 | per year |
| Avalanche Lab PRO | $9.99 | per year |


### 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


## Frequently asked questions

### Is Avalanche Lab free?

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

### Is AspectAvy free?

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

### Which has better reviews, Avalanche Lab or AspectAvy?

Avalanche Lab is rated higher. Avalanche Lab averages 4.3 out of 5 from 15 ratings, while AspectAvy averages 3.8 from 37 ratings.

### Do Avalanche Lab or AspectAvy have ads?

Neither Avalanche Lab nor AspectAvy shows ads.

### Which is updated more often, Avalanche Lab or AspectAvy?

Avalanche Lab ships an update every 2 months, and AspectAvy every 2 months. Most recently, Avalanche Lab was updated on September 26, 2026 and AspectAvy on September 29, 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.*