# Attack Alarm vs Snow Scope App

The clearest difference is price: Snow Scope App at Free against Attack Alarm's $0.99. Snow Scope App also leads on iOS requirement (16.0 vs 18.6). Attack Alarm's advantage is in-app purchases (none vs 2). On update cadence, ads and device support there is nothing between them.

Snow Scope App is free to download; Attack Alarm costs $0.99 up front. Snow Scope App sells 2 in-app purchases, starting at $8.99 per month. Attack Alarm asks for nothing beyond the download.

Attack Alarm ships an update every 4 weeks, Snow Scope App monthly. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Attack Alarm | Snow Scope App |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/snow-scope-app/id1489492572/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | Paid | **Freemium** |
| Size | 28 MB | 98 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Mark David](https://appshunter.io/developer/328738635) | [Propagation Labs](https://appshunter.io/developer/1489492571) |

## What reviewers say

### Attack Alarm

[App page](https://appshunter.io/ios/app/attack-alarm/id342321684)

This personal safety app provides quick, one-tap alerts with customizable options like loud sirens or discreet silent modes. It offers tools to contact trusted individuals or emergency services, find nearby help, and document incidents.

**Highlights:** One-tap personal safety alarm, Loud siren and silent modes, Customizable alert tones and effects, Trusted contact and emergency calling, Nearby help finder, Incident timeline with export

**In-app purchases:** none


### Snow Scope App

[App page](https://appshunter.io/ios/app/snow-scope-app/id1489492572)

Easily record, view, analyze, and share snowpack data including profiles, test results, and height measurements. Syncs data to the cloud for real-time organization and historical tracking. Supports hands-free recording and integration with specialized probes.

**Highlights:** Record snow profiles, test results, and height measurements, Hands-free recording with voice-to-pit and audio notes, Cloud sync for real-time data sharing and historical database, Web and mobile app access, Filtering, spatial viewing, and analysis tools, Export observations to other platforms, Integrates with Snow Scope Probes for rapid quantification

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snow Scope Pro Monthly | $8.99 | per month |
| Snow Scope Pro Yearly | $79.99 | per year |


## Frequently asked questions

### Is Attack Alarm free?

Attack Alarm costs $0.99, with no in-app purchases.

### Is Snow Scope App free?

Snow Scope App is free to download, with in-app purchases available.

### Do Attack Alarm or Snow Scope App have ads?

Neither Attack Alarm nor Snow Scope App shows ads.

### Which is updated more often, Attack Alarm or Snow Scope App?

Attack Alarm ships an update every 4 weeks, and Snow Scope App monthly. Most recently, Attack Alarm was updated on October 11, 2026 and Snow Scope App on October 6, 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.*