AU3FX vs TB Equalizer Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AU3FX
This audio effect plugin offers a versatile stereo dynamics processor with a noise gate, compressor/expander, and limiter. Achieve subtle compression, extreme pumping, or maximum loudness with its highly tweakable controls and high-quality DSP.
- Noise gate
- Compressor/expander with side-chain
- Limiter/clipper
- Negative ratio support
- External side-chain input
- Parallel compression
- Adjustable envelope followers
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A highly tweakable stereo dynamics processor with noise gate, compressor/expander with external side-chain input, and limiter/clipper. From subtle compression, extreme pumping, to maximum loudness! This app is part of the AU3FX series, a collection of simple and powerful audio unit effect plugins. • High quality 32-bit DSP engine. • Compressor/expander with optional lookahead buffer. • Allows negative ratios for pumping/cancellation effects. • Hard or soft knee with adjustable radius. • Built-in side-chain low/high cut filters with monitor toggle. • External side-chain input. • Built-in noise gate. • Brick-wall lookahead limiter. • Hard/soft clipper. • Supports "parallell compression". • RMS/Peak envelope followers with attack, release and hold time. • Switchable between Linear and Logarithmic mode. • Automatic makeup gain. • Stereo link on/off. • Comes with several bundled presets. • Use multiple instances at the same time. • Save/load session state in host. • External access and control of all parameters from host. • User presets shared across hosts (on iOS 13 and later).
TB Equalizer Pro
A professional, dynamic equalizer plugin offering over 600 filter types and shapes for detailed audio manipulation. It features innovative signal-adaptive filters, a spectrum analyzer, and EQ matching for enhanced mixing and sound design.
- 600+ filter types and shapes
- Signal-adaptive filters
- Configurable steepness (6-96dB/octave)
- Integrated spectrum analyzer and spectrogram
- EQ learn and match functionality
- Zero-latency and linear phase filters
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ToneBoosters Equalizer Pro is a top-quality, innovative, professional, dynamic equalizer AUv3 plug-in with an unrivalled workflow, a whopping 600+ filter types and shapes suitable for any EQ task, and a gorgeous, responsive, functional user interface that is a breeze to work with. In addition to all conventional filter types, such as shelving, peaking, bandpass, tilt, low cut and high cut filters, Equalizer Pro features a range of innovative, signal-adaptive filter types, such as the ability to equalise transients, sustaining elements, foreground and background audio, ambiance, and much more. With these novel filters, Equalizer provides unrivalled control to improve your mixes, fix issues, and create a better sounding mix in less time. All filter types have configurable steepness between 6 and 96dB/octave, and can run on complete mixes, individual channels, or mid/side representations of your audio tracks and busses. Equalizer Pro supports both zero-latency as well as linear phase filter types. Equalizer Pro provides an integrated spectrum analyzer and spectrogram, with configurable spectral resolution, time constants, dynamic range. Equalizer Pro also provides EQ learn and match functionality to timbre match between tracks in a fully configurable and editable manner. Visit our website to get a more detailed overview of all innovative filter types: https://www.toneboosters.com/tb_equalizer_pro.html What you should know: - Licenses acquired for this platform are not compatible with other platforms. - Equalizer Pro is optimised for iPad and will also work on iPhone
Screenshots
Verdict
The clearest difference is price: AU3FX at $6.99 against TB Equalizer Pro's $12.99. AU3FX also leads on update cadence (every 4 days vs every 3 weeks). TB Equalizer Pro's advantage is review sentiment (100% vs 75%) and chart position (#183 vs unranked). On rating, 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
AU3FX costs $6.99 and TB Equalizer Pro $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.7 for AU3FX against 4.7 for TB Equalizer Pro. Both are backed by a comparable volume of ratings — 14 and 19 respectively. Written reviews are what separate them: 75% of AU3FX's written reviews are positive against 100% of TB Equalizer Pro's.
AU3FX ships an update every 4 days, TB Equalizer Pro every 3 weeks. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.
| Parameter | AU3FX | TB Equalizer Pro |
|---|---|---|
| Price | $6.99 — better | $12.99 |
| Rating | 4.7 (14 ratings) | 4.7 (19 ratings) |
| Positive reviews | 75.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 14 | 19 — better |
| Update frequency | Every 4 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #183 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 2 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Kymatica AB | ToneBoosters |
Customer experience
AU3FX
TB Equalizer Pro
In-app purchases
AU3FX
No in-app purchases
TB Equalizer Pro
No in-app purchases
Questions
Is AU3FX free?
Is TB Equalizer Pro free?
Which has better reviews, AU3FX or TB Equalizer Pro?
Do AU3FX or TB Equalizer Pro have ads?
Which is updated more often, AU3FX or TB Equalizer Pro?
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