# Hamilton Alerting vs RS

The clearest difference is update cadence: RS at every 4 months against Hamilton Alerting's every 44 months. Hamilton Alerting's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Hamilton Alerting ships an update every 44 months, RS every 4 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hamilton Alerting | RS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.4 (5 ratings)](https://appshunter.io/ios/app/rs-ms3i/id6670289770/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 64 MB | 2 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mach Alert Inc.](https://appshunter.io/developer/1472612618) | [ICOM INCORPORATED](https://appshunter.io/developer/1193842631) |

## What reviewers say

### Hamilton Alerting

[App page](https://appshunter.io/ios/app/hamilton-alerting/id1504745916)

**Features:** macOS Compatibility

**In-app purchases:** none


### RS

[App page](https://appshunter.io/ios/app/rs-ms3i/id6670289770)

This app expands D-STAR transceiver capabilities over the internet using Terminal or Access Point modes. It allows communication even outside of repeater range by routing signals through your device via cellular or Wi-Fi networks.

**Highlights:** Terminal mode for internet-based transceiver communication, Access Point mode to function as a Wireless LAN access point, Expands D-STAR capabilities beyond repeater range, Utilizes internet, LTE, or 5G networks for signal transmission, Requires public IP address for gateway operation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hamilton Alerting free?

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

### Is RS free?

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

### Do Hamilton Alerting or RS have ads?

Neither Hamilton Alerting nor RS shows ads.

### Which is updated more often, Hamilton Alerting or RS?

Hamilton Alerting ships an update every 44 months, and RS every 4 months. Most recently, Hamilton Alerting was updated on October 25, 2026 and RS on October 24, 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.*