# MintFFT vs Audio RTA Analyzer

The clearest difference is in-app purchases: MintFFT at none against Audio RTA Analyzer's 1. MintFFT also leads on ratings volume (4 vs 1). Audio RTA Analyzer's advantage is iOS requirement (15.0 vs 18.4). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Audio RTA Analyzer sells 1 one-off in-app purchase. MintFFT asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for MintFFT against 5.0 for Audio RTA Analyzer. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

MintFFT ships an update weekly, Audio RTA Analyzer every 5 days. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | MintFFT | Audio RTA Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/mintfft/id6755054786/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/audio-rta-analyzer/id6784479397/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free | Free |
| Size | 1 MB | 36 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Kamatani](https://appshunter.io/developer/1851577637) | [Mateus Polonini Cardoso](https://appshunter.io/developer/1530866903) |

## What reviewers say

### MintFFT

[App page](https://appshunter.io/ios/app/mintfft/id6755054786)

This application provides real-time audio spectrum analysis with clear, smooth visuals. It offers advanced features like peak hold and multiple window functions, all processed locally on your device without ads or data collection.

**Highlights:** Real-time FFT spectrum with dB scale, Peak hold and multiple window functions, Pinch to zoom and swipe to pan, Supports internal and external microphones, Works in portrait, landscape, and Split View, On-device processing, no data collection

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

**In-app purchases:** none


### Audio RTA Analyzer

[App page](https://appshunter.io/ios/app/audio-rta-analyzer/id6784479397)

This application transforms your mobile device into a real-time audio analysis tool. It allows you to monitor sound frequencies, decibel levels, and identify peaks using your device's microphone, aiding in the tuning and testing of various audio systems.

**Highlights:** Real-time RTA/FFT analyzer, dB meter, Frequency generator, Test tones, noise, and sweeps, Subwoofer test tools, Stereo channel tests

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Analyzer RTA Pro | $1.99 | one-time |


## Frequently asked questions

### Is MintFFT free?

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

### Is Audio RTA Analyzer free?

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

### Which has better reviews, MintFFT or Audio RTA Analyzer?

MintFFT and Audio RTA Analyzer are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do MintFFT or Audio RTA Analyzer have ads?

Neither MintFFT nor Audio RTA Analyzer shows ads.

### Which is updated more often, MintFFT or Audio RTA Analyzer?

MintFFT ships an update weekly, and Audio RTA Analyzer every 5 days. Most recently, MintFFT was updated on October 8, 2026 and Audio RTA Analyzer on October 3, 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.*