# SatRadio vs xCluster

The clearest difference is rating: SatRadio at 5.0 against xCluster's 4.0. SatRadio also leads on device support (3 vs 1) and iOS requirement (12.4 vs 26.0). xCluster's advantage is update cadence (every 3 weeks vs every 10 months) and ratings volume (5 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

SatRadio holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: xCluster has 5 ratings behind it against 1, so its average is the more settled of the two.

SatRadio ships an update every 10 months, xCluster every 3 weeks. The most recent releases landed on June 3, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | SatRadio | xCluster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/satradio/id1497481844/reviews)** | [4.0 (5 ratings)](https://appshunter.io/ios/app/xcluster/id1644543785/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 8 MB | 33 MB |
| Requires iOS | **12.4** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 17+ | 4+ |
| Developer | [Dioptase](https://appshunter.io/developer/376559675) | [Peter Bourget](https://appshunter.io/developer/1644543787) |

## What reviewers say

### SatRadio

[App page](https://appshunter.io/ios/app/satradio/id1497481844)

This app provides essential tools for radio and satellite communication engineers. It includes calculators and analysis features for antenna parameters, frequency calculations, link budgets, and modem performance. It also offers miscellaneous utilities for RF engineering tasks.

**Highlights:** Dish antenna analysis (axial ratio, gain, line of sight), Frequency calculations (phase noise, doppler, wavelength), Radio link analysis (coaxial losses, mismatch losses, EIRP), Modem performance metrics (C/N, C/I, PER, BER), Miscellaneous RF engineering utilities (dB calculator, converters)

**Features:** macOS Compatibility

**In-app purchases:** none


### xCluster

[App page](https://appshunter.io/ios/app/xcluster/id1644543785)

Visualize DX cluster activity on a world map and in a list. Filter spots by call sign or band, and set custom alerts for specific stations or countries. Integrates with popular DX services and provides call parsing for location data.

**Highlights:** Display DX spots on map and list, Filter by band and call sign, Set custom alerts, Integrates with DXSummit and PSK Reporter, Built-in call parser, Zoom and pan map

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SatRadio free?

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

### Is xCluster free?

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

### Which has better reviews, SatRadio or xCluster?

SatRadio is rated higher. SatRadio averages 5.0 out of 5 from 1 ratings, while xCluster averages 4.0 from 5 ratings.

### Do SatRadio or xCluster have ads?

Neither SatRadio nor xCluster shows ads.

### Which is updated more often, SatRadio or xCluster?

SatRadio ships an update every 10 months, and xCluster every 3 weeks. Most recently, SatRadio was updated on June 3, 2026 and xCluster on September 21, 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.*