# Ullr vs AspectAvy

The clearest difference is rating: Ullr at 4.4 against AspectAvy's 3.8. Ullr also leads on review sentiment (86% vs 50%) and update cadence (every 9 days vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Ullr holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 28 and 37 respectively. Written reviews point the same way: 86% of Ullr's written reviews are positive against 50% of AspectAvy's.

Ullr ships an update every 9 days, AspectAvy every 2 months. The most recent releases landed on September 20, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | Ullr | AspectAvy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (28 ratings)](https://appshunter.io/ios/app/ullr-mountain-ops/id1326080673/reviews)** | [3.8 (37 ratings)](https://appshunter.io/ios/app/aspectavy/id1660488296/reviews) |
| Number of ratings | 28 | **37** |
| Positive reviews | **85.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 97 MB | 83 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 17+ |
| Developer | [Future Spin Software, LLC](https://appshunter.io/developer/1011677986) | [Aspect Avy Inc](https://appshunter.io/developer/1660487514) |

## What reviewers say

### Ullr

[App page](https://appshunter.io/ios/app/ullr-mountain-ops/id1326080673)

This app provides detailed reports on ski, snowboard, and bike park conditions, including feature setups and locations. It allows users to follow favorite mountains for park updates and offers resorts tools for park management and documentation.

**Highlights:** Terrain park condition reports, Bike park condition reports, Feature setup and location details, Follow favorite mountains, Park management tools for resorts, Park documentation and risk management

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

**In-app purchases:** none


### 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 Ullr free?

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

### Is AspectAvy free?

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

### Which has better reviews, Ullr or AspectAvy?

Ullr is rated higher. Ullr averages 4.4 out of 5 from 28 ratings, while AspectAvy averages 3.8 from 37 ratings.

### Do Ullr or AspectAvy have ads?

Neither Ullr nor AspectAvy shows ads.

### Which is updated more often, Ullr or AspectAvy?

Ullr ships an update every 9 days, and AspectAvy every 2 months. Most recently, Ullr was updated on September 20, 2026 and AspectAvy on June 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*