# Spectrum Analyzer+ Audio FFT vs VA Auto

The clearest difference is ads: VA Auto at none against Spectrum Analyzer+ Audio FFT's shown. VA Auto also leads on update cadence (daily vs weekly) and iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Spectrum Analyzer+ Audio FFT ships an update weekly, VA Auto daily. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Spectrum Analyzer+ Audio FFT | VA Auto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-plus-audio-fft/id6760830858/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Daily** |
| Monetization | Ad-supported | — |
| Size | 69 MB | 22 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) | [Orbit Electronics Inc.](https://appshunter.io/developer/1445709182) |

## What reviewers say

### Spectrum Analyzer+ Audio FFT

[App page](https://appshunter.io/ios/app/spectrum-analyzer-plus-audio-fft/id6760830858)

This utility transforms your device into a real-time audio frequency analyzer. It visualizes sound frequencies from 20 Hz to 20 kHz using the microphone, displaying amplitude and peak frequencies. It's designed for musicians, audio engineers, and sound enthusiasts.

**Highlights:** Real-time FFT audio spectrum visualization, Frequency range 20 Hz to 20 kHz, Peak frequency detection, Average dB level per band, Adjustable dB range, Dark theme

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

**In-app purchases:** none


### VA Auto

[App page](https://appshunter.io/ios/app/va-auto-eq/id6804527648)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spectrum Analyzer+ Audio FFT free?

Spectrum Analyzer+ Audio FFT is free to download, with no in-app purchases.

### Is VA Auto free?

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

### Do Spectrum Analyzer+ Audio FFT or VA Auto have ads?

Spectrum Analyzer+ Audio FFT shows ads; VA Auto does not.

### Which is updated more often, Spectrum Analyzer+ Audio FFT or VA Auto?

Spectrum Analyzer+ Audio FFT ships an update weekly, and VA Auto daily. Most recently, Spectrum Analyzer+ Audio FFT was updated on October 20, 2026 and VA Auto on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*