Blamsoft makes a killer suite of audio unit effects (AUX) for iOS and a really awesome Moog Voyager emulator. They are all universal now. I recommend getting all of them!
Viking Synth – Blamsoft, Inc. ON SALE
F-16 Filter – Blamsoft, Inc.
Zero Reverb – Blamsoft, Inc.
Zero Chorus – Blamsoft, Inc.
Resampler Bitcrusher – Blamsoft, Inc.
Audio Unit is a type of plug it app that works with host apps.
Host apps are:
Ferrite Recording Studio (Wooji Juice Ltd) *effects only Ferrite Recording Studio – Wooji Juice Ltd
GarageBand (Apple) *instruments only GarageBand – Apple
midiSTEPS (Arthur Kerns) *instruments only midiSTEPs – midi step sequencer toy – Arthur Kerns
MultitrackStrackStudio (Giel Bremmers) MultiTrack DAW – Harmonicdog
VoiceJam Studio (vocal processing, but VoiceJam only acts as a host for VoiceRack) VoiceJam Studio: Live Looper & Vocal Effects Processor – TC-Helicon
Cubasis (iOS DAW, now with AU support) Cubasis – Music Production System – Steinberg Media Technologies GmbH
AUM (audio mixer from Kymatica) AUM – Audio Mixer – Kymatica (Jonatan Liljedahl)
Expand your sound palette by adding Blamsoft Audio Unit effects and instruments to one of those hosts.
Effects Synth Appsaudio unitblamsoftBlamsoft Audio Unit Effects and Instruments For iOSchorusfilteriOSoverdriveresamplerreverbViking Synth