Comparison

TB Morphit vs AU3FX

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

TB Morphit

This app corrects and simulates headphones, removing unwanted coloration for accurate monitoring and mixing. It offers studio-reference equalization and works as an AUv3 plugin with compatible host apps.

Highlights
  • Headphones correction and simulation
  • Studio reference equalization
  • AUv3 plugin compatibility
  • Hundreds of supported headphones
  • Morphing correction amount
  • Personalize target curve
Read full description

ToneBoosters Morphit is an AUv3 plugin for headphones correction and simulation and removes any unwanted coloration from your headphones! Enable accurate monitoring and calibration, mix with studio reference equalization, and improve the accuracy of your headphones. Used and trusted by thousands of studios worldwide, and now available on your mobile device! The ToneBoosters Morphit app captures the microphone (or external sound card) input and processes the signals in real time. To use it as a plug-in, use an AUv3-compatible host app such as Steinberg Cubasis, Apple Garageband, Audio Evolution Mobile Studio, Auria, AUM, or others. ToneBoosters Morphit will appear in the list of Audio Unit extensions for effect plug-ins. How to use Morphit as AUv3 plugin for headphones correction: 1. Connect your headphones to your iOS device (using the headphones jack, using BlueTooth, or using an adapter as supplied by Apple). You can use any of the many supported headphones listed here: www.toneboosters.com/tb_morphit_v1.html 2. Start your favourite AUv3 host app (Steinberg Cubasis, Apple Garageband, Audio Evolution Mobile Studio, Auria, AUM, or others) and add TB Morphit as Audio Unit insert effect to a track or output bus. See below on how to use Audio Units in various host apps. 3. Select the headphones you are using from the list of supported headphones provided within the TB Morphit app. That's it - all audio going through the Audio Unit plugin is optimised for your headphones. Key features: - The same professional sound as the acclaimed desktop version - Hundreds of headphones supported! - Unique feature: allow morphing of the amount of correction from 0 to 200% - Unique feature: allow simulation of any of the supported headphones and see how your mix translates - Unique feature: personalize the headphones target curve - Unique feature: use Harman calibration / target curves - Unique feature: data/measurement visualization mode - No external hardware required; works with any of the supported headphones models - Undo/redo, and A/B comparison - Color themes for the user interface - Max screen support in Garageband - Optimised for iPad and compatible with iPhone and iPod Touch See if your headphones are supported: www.toneboosters.com/tb_morhpit_v1.html What you should know: - Licenses acquired for this platform are not compatible with other platforms. - Audio Unit (AUv3) extensions require an iPad mini 2, iPad 4 or later models.

About

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.

Highlights
  • Noise gate
  • Compressor/expander with side-chain
  • Limiter/clipper
  • Negative ratio support
  • External side-chain input
  • Parallel compression
  • Adjustable envelope followers
Features
Read full description

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).

Screenshots

TB Morphit3 screens
AU3FX3 screens

Verdict

The call

The clearest difference is update cadence: AU3FX at every 4 days against TB Morphit's every 2 months. AU3FX also leads on price ($6.99 vs $8.99). On rating, review sentiment, ratings volume and ads 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

CostPrice · In-app purchases · Ads · Monetization

TB Morphit costs $8.99 and AU3FX $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for TB Morphit against 4.7 for AU3FX. Both are backed by a comparable volume of ratings — 32 and 14 respectively. Written reviews are what separate them: 71% of TB Morphit's written reviews are positive against 75% of AU3FX's.

UpkeepUpdate frequency

TB Morphit ships an update every 2 months, AU3FX every 4 days. The most recent releases landed on October 1, 2026 and September 26, 2026 respectively.

Scorecard2 real differences · 8 level
TB Morphit versus AU3FX: the parameters behind the verdict, then further details
ParameterTB MorphitAU3FX
Price$8.99$6.99 — better
Rating4.7 (32 ratings)4.7 (14 ratings)
Positive reviews70.8% of reviews75.0% of reviews — better
Number of ratings32 — better14
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size11 MB2 MB
Age rating4+4+
DeveloperToneBoostersKymatica AB

Customer experience

TB Morphit

All ratings32 ratings
Positive93.8%
Neutral0.0%
Negative6.3%
Written reviews24 reviews
Positive70.8%
Neutral0.0%
Negative29.2%

AU3FX

All ratings14 ratings
Positive92.9%
Neutral0.0%
Negative7.1%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

TB Morphit

No in-app purchases

None

AU3FX

No in-app purchases

Questions

Is TB Morphit free?
TB Morphit costs $8.99, with no in-app purchases.
Is AU3FX free?
AU3FX costs $6.99, with no in-app purchases.
Which has better reviews, TB Morphit or AU3FX?
TB Morphit and AU3FX are both rated 4.7 out of 5 on the App Store, from 32 and 14 ratings respectively.
Do TB Morphit or AU3FX have ads?
Neither TB Morphit nor AU3FX shows ads.
Which is updated more often, TB Morphit or AU3FX?
TB Morphit ships an update every 2 months, and AU3FX every 4 days. Most recently, TB Morphit was updated on October 1, 2026 and AU3FX on September 26, 2026.

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