# AspectAvy vs RMSC

The clearest difference is in-app purchases: AspectAvy at none against RMSC's 2. AspectAvy also leads on update cadence (every 2 months vs every 30 months). RMSC's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.6). On price and ads there is nothing between them.

Both are free to download. RMSC sells 2 in-app purchases, starting at $24.99 per year. AspectAvy asks for nothing beyond the download.

AspectAvy ships an update every 2 months, RMSC every 30 months. The most recent releases landed on June 8, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | AspectAvy | RMSC |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 30 months |
| Monetization | Free | — |
| Size | 83 MB | 55 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Aspect Avy Inc](https://appshunter.io/developer/1660487514) | [Brett Wolfe](https://appshunter.io/developer/1662231672) |

## 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


### RMSC

[App page](https://appshunter.io/ios/app/rmsc/id1662231670)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Full Access | $24.99 | per year |
| Apps Yearly Sub | $24.99 | per year |


## Frequently asked questions

### Is AspectAvy free?

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

### Is RMSC free?

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

### Do AspectAvy or RMSC have ads?

Neither AspectAvy nor RMSC shows ads.

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

AspectAvy ships an update every 2 months, and RMSC every 30 months. Most recently, AspectAvy was updated on June 8, 2026 and RMSC on September 12, 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.*