# Spectrum Compact Simulator vs uSpectrumX

The clearest difference is iOS requirement: Spectrum Compact Simulator at 7.1 against uSpectrumX's 9.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Spectrum Compact Simulator ships an update every 2 months, uSpectrumX every 3 months. The most recent releases landed on September 18, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Spectrum Compact Simulator | uSpectrumX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/spectrum-compact-simulator/id910904261/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 1 MB | 25 MB |
| Requires iOS | **7.1** | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SAF Tehnika AS](https://appshunter.io/developer/514563603) | [United Power Research Technology Corporation](https://appshunter.io/developer/1501316337) |

## What reviewers say

### Spectrum Compact Simulator

[App page](https://appshunter.io/ios/app/spectrum-compact-simulator/id910904261)

Explore the functionality of a handheld microwave spectrum analyzer through a realistic simulation. This application demonstrates how to perform antenna alignment, troubleshooting, and maintenance with ease and speed.

**Highlights:** Simulates handheld microwave spectrum analyzer, Demonstrates real microwave radio spectrum data, Facilitates antenna alignment, Aids in troubleshooting, Supports maintenance tasks

**Features:** macOS Compatibility

**In-app purchases:** none


### uSpectrumX

[App page](https://appshunter.io/ios/app/uspectrumx/id1318581445)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spectrum Compact Simulator free?

Spectrum Compact Simulator is free to download, with no in-app purchases.

### Is uSpectrumX free?

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

### Do Spectrum Compact Simulator or uSpectrumX have ads?

Neither Spectrum Compact Simulator nor uSpectrumX shows ads.

### Which is updated more often, Spectrum Compact Simulator or uSpectrumX?

Spectrum Compact Simulator ships an update every 2 months, and uSpectrumX every 3 months. Most recently, Spectrum Compact Simulator was updated on September 18, 2026 and uSpectrumX on October 4, 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.*