# SoundScope vs Retro Spectrum

The clearest difference is monetization model: SoundScope at free against Retro Spectrum's free with in-app purchases. Retro Spectrum's advantage is iOS requirement (16.0 vs 26.1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. SoundScope sells 1 one-off in-app purchase and Retro Spectrum sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SoundScope ships an update monthly, Retro Spectrum every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | SoundScope | Retro Spectrum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (8 ratings)](https://appshunter.io/ios/app/retro-spectrum/id6780568680/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 5 MB |
| Requires iOS | 26.1 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Waldemar Schneider](https://appshunter.io/developer/1859657539) | [TAKUMA FUJITSUKA](https://appshunter.io/developer/6780568682) |

## What reviewers say

### SoundScope

[App page](https://appshunter.io/ios/app/soundscope-light/id6775629353)

This app provides real-time audio spectrum analysis with detailed visualizations. It offers advanced features for monitoring stereo width, phase correlation, and system audio, designed for professional audio work.

**Highlights:** Real-time FFT spectrum analysis, Frequency bars and line graph visualizations, Logarithmic and linear frequency scaling, Stereo, Mid/Side, and Phase Correlation analysis, System audio loopback, Microphone and audio interface input

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoundScope | $3.99 | one-time |


### Retro Spectrum

[App page](https://appshunter.io/ios/app/retro-spectrum/id6780568680)

Transform your phone into a retro audio visualizer for your car or desk. It analyzes sound from your speakers in real-time, displaying dynamic visuals inspired by classic 80s-90s car stereos. Enjoy multiple retro skins and track identification for a unique audio-visual experience.

**Highlights:** Real-time spectrum analyzer, Retro 80s-90s car stereo style, Listens via microphone to any speaker source, Multiple retro skin options, Now Playing song identification, Desk mode with clock and date

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Skin Pack | $1.99 | one-time |
| Motion Pack | $2.99 | one-time |


## Frequently asked questions

### Is SoundScope free?

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

### Is Retro Spectrum free?

Retro Spectrum is free to download, with in-app purchases available.

### Do SoundScope or Retro Spectrum have ads?

Neither SoundScope nor Retro Spectrum shows ads.

### Which is updated more often, SoundScope or Retro Spectrum?

SoundScope ships an update monthly, and Retro Spectrum every 3 weeks. Most recently, SoundScope was updated on October 31, 2026 and Retro Spectrum on October 31, 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.*