iOS Musician Apps (70) Supported Technologies is Audio Unit (AU), Effect Type is Reverb, Delay, Echo

Envelope is a high class reverb audio unit for use as a standalone app or (preferably) in AUv3 hosts.

The ERS 250 reverb audio plugin was originally designed and sold by Harrie Munnik and his Dutch company EmptyRoomSystems.

FabFilter Pro-R is an algorithmic reverb plug-in with natural sound and intuitive controls.

FabFilter Timeless 3 is a versatile, vintage-sounding tape delay, which will fully satisfy your everyday delay needs.

FAC Alteza is a true stereo reverberator plugin.

FD-1 is a Semi-Modular Effect Plugin including dedicated Filter, Delay and Modulation sections.

Frekvens is a frequency shifter and delay effect.

IMPULSation is an impulse response/convolution reverb that allows you to load in your own impulses for an an unlimited amount of neverb and amp possibilities.

Convolution is a highly complex signal processing approach, that needs some certain computation power. The recorded impulse response of a real world environment is used to render a reverberation effect onto any audio material, so that it sounds like the source was played in that original room or at that location.

K7D is a vintage tape delay effect plugin for iOS.

Kajita combines two-stage multi-tap stereo delay with reverb, allowing you to create complex spatial effects.

Kleverb is an algorithmic reverb effect.

Kosmonaut is Multitap Delay with a twist. In addition to adding echoes to your audio, it packs a bunch of extra tools to put your music in space.

Whole guitar sound with innovative distortion effect, speaker simulation and reverb.

This is a natural sounding reverb audio effect.

MangledVerb is a unique effect combining a rich reverb with devastating distortion.

MoDelayrium is a Audio Units Plugin Suite and it is composed by 10 auv3: ChoriumUnus, DoppleriumUnus, ReverbiumUnus, TremuloriumUnus, Chorus-Flanger Module, Delay Modulator Module, Room Filter Module, Simple Delay Module, Space Module and Tremulo Module.

Modley is a modulation delay with effect insert capabilities, which lets you design the whole delay signal with several carefully selected effect modules, to create customized signal flows and unique sounds.

This is a AUv3 compatible audio effect which can be used as plugin with your favourite DAW such as Cubasis, Meteor, Auria or GarageBand.