JAX DYNAMICS vs MintFFT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JAX DYNAMICS
This audio processing tool offers a single-band dynamics processor with versatile stereo operation modes, including independent and linked mid/side processing. It also features a parallel processing option for enhanced audio manipulation. The tool is distributed as an app extension for use within compatible music applications.
- Single-band dynamics processor
- Multiple stereo operation modes
- Independent and linked mid/side processing
- Parallel processing (mix) option
- AudioUnit (AUv3) format
- Universal app for macOS, iOS, iPadOS, visionOS
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The JAX DYNAMICS : Compressor is a single band dynamics audio processor and supports different stereo operation modi (like independent stereo, linked stereo, independent mid/side and linked mid/side processing) and has a parallel processing option (mix) too. The JAX Compressor is a dynamics processor in AudioUnit (AUv3) format. The audio unit itself (an app extension) is embedded into a small demo app. This is required for app distribution on Apple platforms. Installing the app will make the audio unit available for system wide usage with audio unit hosts (music apps), which support loading 3rd party app extensions in AUv3 format. There is a manual for our Dynamics Series Basic located at : https://audio.digitster.com/jax-dynamics-compressor A basic demonstration video for the dynamics series can be seen here : https://youtu.be/hOwM1t6jYes?si=gqlpp6oQRXtUuj8V This app is truly 'universal', meaning, unit is available for : - MacOS (Silicon) - iOS (iPhone) - iPadOS (iPads) - visionOS (Apple Vision Pro) Please note, that AudioUnits (AUv3) require a dedicated supporting host application to perform.
MintFFT
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.
- 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
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MintFFT is a simple and precise audio spectrum analyzer for iPhone and iPad. Designed with a focus on clarity and calm, it turns your sound into smooth, real-time visuals — without ads, clutter, or unnecessary controls. Features • Real-time FFT spectrum with dB scale • Peak hold and multiple window functions (Hann, Hamming, Blackman, Rectangle) • Pinch to zoom and swipe to pan across frequency ranges • Supports internal and external microphones (USB-C / Lightning) • Works in portrait, landscape, and Split View on iPad • Runs entirely on-device — no recording, tracking, or data collection Privacy First MintFFT processes all audio locally for visualization only. No data ever leaves your device. Simple. Clear. Reliable. Just open MintFFT and watch your sound.
Screenshots
Verdict
The clearest difference is price: MintFFT at Free against JAX DYNAMICS's $4.99. MintFFT also leads on rating (5.0 vs 3.7) and update cadence (weekly vs every 2 months). JAX DYNAMICS's advantage is iOS requirement (14.0 vs 18.4). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
MintFFT is free to download; JAX DYNAMICS costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MintFFT holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
JAX DYNAMICS ships an update every 2 months, MintFFT weekly. The most recent releases landed on September 22, 2026 and August 24, 2026 respectively.
| Parameter | JAX DYNAMICS | MintFFT |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 3.7 (3 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 4 — better |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 26 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Jens Guell | Takahiro Kamatani |
Customer experience
JAX DYNAMICS
MintFFT
In-app purchases
JAX DYNAMICS
No in-app purchases
MintFFT
No in-app purchases







