# SatRadio vs Sensor Technology Engineering

SatRadio and Sensor Technology Engineering are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

SatRadio ships an update every 10 months, Sensor Technology Engineering every 7 months. The most recent releases landed on June 3, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | SatRadio | Sensor Technology Engineering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/satradio/id1497481844/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 7 months** |
| Monetization | Free | — |
| Size | 8 MB | 94 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Dioptase](https://appshunter.io/developer/376559675) | [Sensor Technology Engineering](https://appshunter.io/developer/1668239053) |

## 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


### Sensor Technology Engineering

[App page](https://appshunter.io/ios/app/sensor-technology-engineering/id1627959712)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SatRadio free?

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

### Is Sensor Technology Engineering free?

Sensor Technology Engineering is free to download, with no in-app purchases.

### Do SatRadio or Sensor Technology Engineering have ads?

Neither SatRadio nor Sensor Technology Engineering shows ads.

### Which is updated more often, SatRadio or Sensor Technology Engineering?

SatRadio ships an update every 10 months, and Sensor Technology Engineering every 7 months. Most recently, SatRadio was updated on June 3, 2026 and Sensor Technology Engineering on September 15, 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.*