# RS vs SmartMTR for FlexRadio

The clearest difference is review sentiment: SmartMTR for FlexRadio at 100% against RS's 14%. SmartMTR for FlexRadio also leads on rating (4.0 vs 2.4) and update cadence (every 5 weeks vs every 4 months). RS's advantage is in-app purchases (none vs 1) and ratings volume (5 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. SmartMTR for FlexRadio sells 1 in-app purchase, starting at $2.99 per month. RS asks for nothing beyond the download.

SmartMTR for FlexRadio holds the better App Store score, 4.0 against 2.4. That said, the two scores are not equally well evidenced: RS has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 14% of RS's written reviews are positive against 100% of SmartMTR for FlexRadio's.

RS ships an update every 4 months, SmartMTR for FlexRadio every 5 weeks. The most recent releases landed on October 24, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | RS | SmartMTR for FlexRadio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (5 ratings)](https://appshunter.io/ios/app/rs-ms3i/id6670289770/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/smartmtr-for-flexradio/id6758765008/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 14.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 3 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [ICOM INCORPORATED](https://appshunter.io/developer/1193842631) | [Dariusz Socha](https://appshunter.io/developer/1084171708) |

## What reviewers say

### 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


### SmartMTR for FlexRadio

[App page](https://appshunter.io/ios/app/smartmtr-for-flexradio/id6758765008)

Transform your iOS device into a precise S-meter and control panel for FlexRadio transceivers. Monitor signal levels, adjust DSP filters, and control radio functions with intuitive gestures. Includes a demo mode for exploration.

**Highlights:** Precision S-meter with arc-band indicator, Dual-slice display for simultaneous monitoring, TX meters for RF Power, SWR, and Compression, Intuitive swipe gestures for radio control, Comprehensive DSP filter adjustments, Demo mode for exploration

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmartMTR | $2.99 | per month |


## Frequently asked questions

### Is RS free?

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

### Is SmartMTR for FlexRadio free?

SmartMTR for FlexRadio is free to download, with in-app purchases available.

### Which has better reviews, RS or SmartMTR for FlexRadio?

SmartMTR for FlexRadio is rated higher. RS averages 2.4 out of 5 from 5 ratings, while SmartMTR for FlexRadio averages 4.0 from 1 ratings.

### Do RS or SmartMTR for FlexRadio have ads?

Neither RS nor SmartMTR for FlexRadio shows ads.

### Which is updated more often, RS or SmartMTR for FlexRadio?

RS ships an update every 4 months, and SmartMTR for FlexRadio every 5 weeks. Most recently, RS was updated on October 24, 2026 and SmartMTR for FlexRadio on October 1, 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.*