iOS Musician Apps (41) Supported Technologies is Audio Unit (AU), Effect Type is Compressor, Limiter, Gate

Kompresor is a versatile and powerful, yet easy to use, compressor.

FabFilter Pro-L 2 is a feature-packed true peak limiter, suitable for transparent mastering as well as single instrument limiting.

MagicDeathEye is an emulation of a high-end tube compressor, available in AUv3 and interapp audio format.

FabFilter Pro-G is a gate/expander plug-in for mixing and mastering purposes, with flexible side chain options.

Import audio and instantly get a mastered version. Immediately hear a boost in volume and overall sweetening of the mix.

Brusfri* is a highly advanced audio noise reducer, packed into a simple and straight-forward interface.

This is actually a trio of effects all rolled into a single package which are ideally suited but not limited to voice recordings (De-Esser, a Vocal Doubler and a Noise Gate).

Woodpressor is a high-end audio compressor. It is both a standalone app supporting IAA (Inter-App Audio) and an AUv3 audio unit plugin.

A professional compressor plugin in the audio unit format.

rejected, macDeeTrim is a simple plugin which controls the volume from -12dB to +3dB. It can keep the output level constant from any input level.

DOTEC-AUDIO presents DeePopMax, a big hit“Loudness Maximizer" for MacOS, now available for iOS, including AudioUnit V3 support.

ToneBoosters Compressor is an AUv3 plugin for mastering-grade compression and dynamics processing.

ToneBoosters Barricade is a peak limiter and compressor.

Visual Compressor is a 4 band compressor/expander which has the ability to analyse audio in real time giving an accurate and reliable spectrum representation of your signal as well as visual feedback of compression or expansion levels.  It's uses range from final mastering of songs to dynamic manipulation and EQing of drum tracks.

Multiband Compressor is a compressor effect.

LUXE is an AUv3 effect plugin that compress and saturate an audio signal in a quite subtile but musical way. It's very useful for making a track "fit in the mix" and can be used on anything from a drum bus to a vocal track.

The BLEASS sidekick AUv3 is the world's first iOS AUv3 effect plugin that offers a kick drum synth and sequencer coupled with a sidechain compressor in order to bring unique and creative dynamics to your music!

The Wood'nGate is an audio gate which is both a standalone app supporting IAA (Inter-App Audio) and an AUv3 audio unit plugin.

Make Louder is not based on complex dynamics processors and it is also not an overdrive or amplification or saturation effect. We created a special digital algorithm that can boost audio in loudness up to a certain limit, without colorizing the sound too much. And it can prevent the audio to exceed the output limits if you for instance stack together many sound sources.

Shaper 2 is a multi-fx processor designed to let you redefine or totally destroy any kind of sound source.