# RST Scope Pro vs RS

The clearest difference is price: RS at Free against RST Scope Pro's $1.99. RST Scope Pro's advantage is update cadence (every 6 days vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

RS is free to download; RST Scope Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RST Scope Pro ships an update every 6 days, RS every 4 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | RST Scope Pro | RS |
| --- | --- | --- |
| Price | $1.99 | **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 6 days** | Every 4 months |
| Monetization | — | Free |
| Size | 1 MB | 2 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [ICOM INCORPORATED](https://appshunter.io/developer/1193842631) |

## What reviewers say

### RST Scope Pro

[App page](https://appshunter.io/ios/app/rst-scope-pro/id1550939327)

**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 RST Scope Pro free?

RST Scope Pro costs $1.99, with no in-app purchases.

### Is RS free?

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

### Do RST Scope Pro or RS have ads?

Neither RST Scope Pro nor RS shows ads.

### Which is updated more often, RST Scope Pro or RS?

RST Scope Pro ships an update every 6 days, and RS every 4 months. Most recently, RST Scope Pro was updated on October 27, 2026 and RS on October 27, 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.*