# Spectrum vs ArchitectScaler

The clearest difference is price: ArchitectScaler at Free against Spectrum's $5.99. ArchitectScaler also leads on in-app purchases (none vs 1). Spectrum's advantage is iOS requirement (15.0 vs 17.6). On ads and device support there is nothing between them.

ArchitectScaler is free to download; Spectrum costs $5.99 up front. Spectrum sells 1 one-off in-app purchase. ArchitectScaler asks for nothing beyond the download.

## The numbers

| Metric | Spectrum | ArchitectScaler |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 10 MB | 1 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Victor Serov](https://appshunter.io/developer/1635616731) | [Pratheek Balakrishna](https://appshunter.io/developer/1826744138) |

## What reviewers say

### Spectrum

[App page](https://appshunter.io/ios/app/spectrum-v-audio-analyzer/id6450556284)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version | $0.99 | one-time |


### ArchitectScaler

[App page](https://appshunter.io/ios/app/architectscaler/id6748638487)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spectrum free?

Spectrum costs $5.99, and also offers in-app purchases.

### Is ArchitectScaler free?

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

### Do Spectrum or ArchitectScaler have ads?

Neither Spectrum nor ArchitectScaler 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.*