# Spectrum Compact Simulator vs SignalScope X

The clearest difference is rating: SignalScope X at 3.0 against Spectrum Compact Simulator's 1.0. SignalScope X also leads on ratings volume (23 vs 1) and update cadence (every 3 weeks vs every 2 months). Spectrum Compact Simulator's advantage is in-app purchases (none vs 10) and iOS requirement (7.1 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. SignalScope X sells 10 in-app purchases, starting at $3.49 per month. Spectrum Compact Simulator asks for nothing beyond the download.

SignalScope X holds the better App Store score, 3.0 against 1.0. That said, the two scores are not equally well evidenced: SignalScope X has 23 ratings behind it against 1, so its average is the more settled of the two.

Spectrum Compact Simulator ships an update every 2 months, SignalScope X every 3 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Spectrum Compact Simulator | SignalScope X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/spectrum-compact-simulator/id910904261/reviews) | **[3.0 (23 ratings)](https://appshunter.io/ios/app/signalscope-x/id1304775893/reviews)** |
| Number of ratings | 1 | **23** |
| Positive reviews | — | 10.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 1 MB | 19 MB |
| Requires iOS | **7.1** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [SAF Tehnika AS](https://appshunter.io/developer/514563603) | [Faber Acoustical, LLC](https://appshunter.io/developer/284781780) |

## 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


### SignalScope X

[App page](https://appshunter.io/ios/app/signalscope-x/id1304775893)

This app provides powerful measurement and analysis tools for acoustics, audio, and electronics. It offers a free oscilloscope and subscription-based tool sets for basic, advanced, and professional needs, compatible across iPhone, iPad, and Mac.

**Highlights:** Oscilloscope, FFT Analyzer, Spectrogram Analyzer, Data Recorder, Sound Intensity Analyzer, Room Acoustics Analyzer

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Tool Set, 1 Month | $3.49 | per month |
| Advanced Tool Set, 1 Month | $9.99 | per month |
| Pro Tool Set, 1 Month | $24.99 | per month |
| Basic Tool Set, 1 Year | $34.99 | per year |
| Advanced Tool Set, 1 Year | $99.99 | per year |
| Pro Tool Set, 1 Year | $249.99 | per year |
| 14-day Free Trial, Pro Tool Set | Free | one-time |
| Basic Tool Set 2026 | $69.99 | one-time |
| Advanced Tool Set 2026 | $199.99 | one-time |
| Pro Tool Set 2026 from Advanced | $309.99 | one-time |

**What reviewers like**

- 👍 Powerful software
- 👍 Good for professional testing
- 👍 Captures faint hums
- 👍 Works well for waveforms
- 👍 Useful for guitar debugging

**What reviewers complain about**

- 💸 Expensive subscription model
- 💸 High one-time purchase cost
- 💸 Perceived as a rip-off
- 💸 Previous purchases invalidated
- 💸 Lack of upgrade path

**Reported bugs**

- Recording starts and stops
- App crashes on launch
- Oscilloscope and FFT not functioning
- SPL meter inaccurate/uncalibratable
- App not working on older devices

**Requested features**

- Manual for better understanding
- Ability to store and retrieve setups
- One-off payment option
- More intuitive user interface
- Ability to change Y-axis scale


## Frequently asked questions

### Is Spectrum Compact Simulator free?

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

### Is SignalScope X free?

SignalScope X is free to download, with in-app purchases available.

### Which has better reviews, Spectrum Compact Simulator or SignalScope X?

SignalScope X is rated higher. Spectrum Compact Simulator averages 1.0 out of 5 from 1 ratings, while SignalScope X averages 3.0 from 23 ratings.

### Do Spectrum Compact Simulator or SignalScope X have ads?

Neither Spectrum Compact Simulator nor SignalScope X shows ads.

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

Spectrum Compact Simulator ships an update every 2 months, and SignalScope X every 3 weeks. Most recently, Spectrum Compact Simulator was updated on November 1, 2026 and SignalScope X on November 7, 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.*