# Attack Alarm vs TreeRings

The clearest difference is review sentiment: Attack Alarm at 25% against TreeRings's 0%. Attack Alarm also leads on update cadence (every 4 weeks vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Attack Alarm costs $0.99 and TreeRings $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Attack Alarm ships an update every 4 weeks, TreeRings every 4 months. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Attack Alarm | TreeRings |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | — | **[1.3 (4 ratings)](https://appshunter.io/ios/app/treerings/id6751566746/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Monetization | Paid | Paid |
| Size | 28 MB | 1 MB |
| Requires iOS | 18.6 | **18.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mark David](https://appshunter.io/developer/328738635) | [Mohamed Abdelsalam](https://appshunter.io/developer/553109131) |

## 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


### TreeRings

[App page](https://appshunter.io/ios/app/treerings/id6751566746)

Analyze tree cross-sections to estimate age and understand past growing conditions. Discover historical climate patterns by comparing data from multiple trees.

**Highlights:** Estimate tree age by counting growth rings, Analyze yearly growing conditions, Discover historical climate patterns, Simple photo analysis, Insights for hikers and foresters

**In-app purchases:** none


## Frequently asked questions

### Is Attack Alarm free?

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

### Is TreeRings free?

TreeRings costs $0.99, with no in-app purchases.

### Do Attack Alarm or TreeRings have ads?

Neither Attack Alarm nor TreeRings shows ads.

### Which is updated more often, Attack Alarm or TreeRings?

Attack Alarm ships an update every 4 weeks, and TreeRings every 4 months. Most recently, Attack Alarm was updated on November 6, 2026 and TreeRings on November 5, 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.*