# MDA600 Dynamic vs Spectrum Analyzer

The clearest difference is in-app purchases: MDA600 Dynamic at none against Spectrum Analyzer's 1. MDA600 Dynamic also leads on iOS requirement (12.0 vs 17.6). Spectrum Analyzer's advantage is update cadence (daily vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Spectrum Analyzer sells 1 one-off in-app purchase. MDA600 Dynamic asks for nothing beyond the download.

MDA600 Dynamic ships an update every 2 months, Spectrum Analyzer daily. The most recent releases landed on September 8, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | MDA600 Dynamic | Spectrum Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 5 MB | 1 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [杏生 卢](https://appshunter.io/developer/1094592555) | [Josef Dave Llorente](https://appshunter.io/developer/6803405669) |

## What reviewers say

### MDA600 Dynamic

[App page](https://appshunter.io/ios/app/mda600-dynamic/id1598694637)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spectrum Analyzer

[App page](https://appshunter.io/ios/app/spectrum-analyzer-audio-fft/id6803405667)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spectrum Analyzer - Audio FFT | $1.99 | one-time |


## Frequently asked questions

### Is MDA600 Dynamic free?

MDA600 Dynamic is free to download, with no in-app purchases.

### Is Spectrum Analyzer free?

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

### Do MDA600 Dynamic or Spectrum Analyzer have ads?

Neither MDA600 Dynamic nor Spectrum Analyzer shows ads.

### Which is updated more often, MDA600 Dynamic or Spectrum Analyzer?

MDA600 Dynamic ships an update every 2 months, and Spectrum Analyzer daily. Most recently, MDA600 Dynamic was updated on September 8, 2026 and Spectrum Analyzer on September 11, 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.*