# Quantara vs Retro Spectrum

The clearest difference is device support: Quantara at 3 against Retro Spectrum's 1. Quantara also leads on iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Quantara sells 2 in-app purchases, starting at $4.99 per month and Retro Spectrum sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Quantara | 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 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 5 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Levani Kirkitadze](https://appshunter.io/developer/1693121477) | [TAKUMA FUJITSUKA](https://appshunter.io/developer/6780568682) |

## What reviewers say

### Quantara

[App page](https://appshunter.io/ios/app/quantara/id6760197658)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quantara Pro Monthly | $4.99 | per month |
| Quantara Pro Yearly | $29.99 | per year |


### 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 Quantara free?

Quantara 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 Quantara or Retro Spectrum have ads?

Neither Quantara nor Retro Spectrum shows ads.

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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.*