# SignalScope X vs Easy Audio Spectrogram

The clearest difference is in-app purchases: Easy Audio Spectrogram at none against SignalScope X's 12. SignalScope X's advantage is iOS requirement (18.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SignalScope X sells 12 in-app purchases, starting at $3.49 per month. Easy Audio Spectrogram asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | SignalScope X | Easy Audio Spectrogram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (23 ratings)](https://appshunter.io/ios/app/signalscope-x/id1304775893/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 10.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 19 MB | 4 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Faber Acoustical, LLC](https://appshunter.io/developer/284781780) | [Chen Gong](https://appshunter.io/developer/1896464770) |

## What reviewers say

### 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

**In-app purchases (12)**

| 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 |
| Advanced Tool Set 2026 from Basic | $219.99 | one-time |
| Pro Tool Set 2026 from Advanced | $309.99 | one-time |
| Pro Tool Set 2026 from Basic | $439.99 | 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


### Easy Audio Spectrogram

[App page](https://appshunter.io/ios/app/easy-audio-spectrogram/id6772611741)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SignalScope X free?

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

### Is Easy Audio Spectrogram free?

Easy Audio Spectrogram is free to download, with no in-app purchases.

### Do SignalScope X or Easy Audio Spectrogram have ads?

Neither SignalScope X nor Easy Audio Spectrogram shows ads.

### Which is updated more often, SignalScope X or Easy Audio Spectrogram?

SignalScope X ships an update every 3 weeks, and Easy Audio Spectrogram every 3 weeks. Most recently, SignalScope X was updated on October 24, 2026 and Easy Audio Spectrogram on October 24, 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.*