# MintFFT vs Audio RTA

The clearest difference is in-app purchases: MintFFT at none against Audio RTA's 1. MintFFT also leads on ratings volume (6 vs 1). Audio RTA's advantage is rating (5.0 vs 4.7) and iOS requirement (15.0 vs 18.4). On price, update cadence, ads and monetization model there is nothing between them.

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

Audio RTA holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: MintFFT has 6 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MintFFT | Audio RTA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6 ratings)](https://appshunter.io/ios/app/mintfft/id6755054786/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/audio-rta-spectrum-analyzer/id6784479397/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| 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

[App page](https://appshunter.io/ios/app/audio-rta-spectrum-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 | $6.99 | one-time |


## Frequently asked questions

### Is MintFFT free?

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

### Is Audio RTA free?

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

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

Audio RTA is rated higher. MintFFT averages 4.7 out of 5 from 6 ratings, while Audio RTA averages 5.0 from 1 ratings.

### Do MintFFT or Audio RTA have ads?

Neither MintFFT nor Audio RTA shows ads.

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

MintFFT ships an update weekly, and Audio RTA weekly. Most recently, MintFFT was updated on October 24, 2026 and Audio RTA on October 25, 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.*