The Decent Samples plugin is a sample player that allows you to use your favorite Decent Samples sample libraries on the go. Many of the most popular Decent Samples releases are available through the app with more being added every week.
| Price | Free |
|---|---|
| Author | Decidedly, LLC |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | All-in-one |
| Supports | Audio Unit (AU) |
| Rating | total: (52), current: (52) |
| Released | 09/16/2020 |
| Updated | 08/30/2026 |
ToneBoosters Spectrogram shows a real-time spectrogram of the incoming audio signal. The ToneBoosters Spectrogram app captures the microphone input and processes the signals in real time.
| Price | Free |
|---|---|
| Author | ToneBoosters |
| Type | Tool |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (50), current: (50) |
| Released | 09/08/2020 |
| Updated | 05/24/2026 |
Grand Piano auv3 brings you the sound of the classic instrument to your iPad and iPhone.
| Price | Free |
|---|---|
| Author | pablo lopez |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Keyboards, Piano |
| Supports | Audio Unit (AU) |
| Rating | total: (9), current: (9) |
| Released | 08/25/2020 |
| Updated | 02/11/2026 |
A simple free music player that allows you to play music files while playing effectors that support Audio Units Extension (AUv3 plugin) format.
| Price | Free |
|---|---|
| Author | fmfmsoft Corp. |
| Type | Host, Tool |
| Instrument type | Sampler |
| Supports | Audio Unit (AU) |
| Rating | total: (12), current: (12) |
| Released | 08/31/2020 |
| Updated | 08/01/2026 |
Flynth is a synthesizer by Fingerlab, designed for musicality and easy use.
| Price | Free |
|---|---|
| Author | Fingerlab |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (55), current: (55) |
| Released | 07/22/2020 |
| Updated | 06/07/2026 |
Overloud TH-U turns your iOS device into a Guitar and Bass amp simulator, to let you play live, practice or record: standalone and AUv3 included.
| Price | Free |
|---|---|
| Author | Almateq SRL |
| Type | Effect |
| Effect type | Guitar effects, Bass effects |
| Supports | Audio Unit (AU) |
| Rating | total: (97), current: (97) |
| Released | 05/25/2020 |
| Updated | 08/29/2026 |
Now available as an Audio Unit extension (AUv3) allowing it to act as a powerful MIDI sequencer and clip launcher.
| Price | Free |
|---|---|
| Author | Imaginando Lda |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (705), current: (705) |
| Released | 03/04/2015 |
| Updated | 09/04/2026 |
Express yourself. Create your signature retro piano sound. Simple controls allow you to easily create an emotional vibe for your next hit record.
| Price | Free |
|---|---|
| Author | Audiobus Pty Ltd |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Keyboards, Piano |
| Supports | Audio Unit (AU) |
| Rating | total: (158), current: (158) |
| Released | 06/04/2020 |
| Updated | 02/27/2025 |
Tape Cassette 2 is an audio plugin that emulates the warmth, noise and character of old tape cassettes. Following up from our well received Tape Cassette 1, we’ve updated the plugin with a sleek interface and more changes under the hood too.
| Price | Free |
|---|---|
| Author | Caelum Audio |
| Type | Effect |
| Effect type | Equalizer, Filter, Other |
| Supports | Audio Unit (AU) |
| Rating | total: (43), current: (43) |
| Released | 06/05/2020 |
| Updated | 09/13/2022 |
ChannelEqualizer is a three band EQ AudioUnit Extension plugin, developed as an add-on for VADrumSM.
| Price | Free |
|---|---|
| Author | Ryo Togawa |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (22), current: (22) |
| Released | 05/19/2020 |
| Updated | 01/15/2026 |
The Red Rock Sound SA60 real time 1/3 octave Spectrum Analyser combines ease of use, accuracy and versatility in one economical, reliable unit. Interface is modelled on classic DN60 spectrum analyser, originally developed in 1980.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (11), current: (11) |
| Released | 05/15/2020 |
| Updated | 12/29/2025 |
The Red Rock Sound Exciter will allow you to improve and enhance sonic quality of signal more naturally than with equalization. Unlike traditional EQ that just turns up the existing harmonics, Exciter generates additional harmonics, therefore there is no boost in the output signal level, this maintains a clear and balanced sound.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Effect |
| Effect type | Equalizer, Filter, Other |
| Supports | Audio Unit (AU) |
| Rating | total: (21), current: (21) |
| Released | 04/30/2020 |
| Updated | 12/29/2025 |
Looperator is a slicing and processing plugin for all styles of electronic music.
| Price | Free |
|---|---|
| Author | Sugar Bytes GmbH |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Other |
| Supports | Audio Unit (AU) |
| Rating | total: (82), current: (82) |
| Released | 04/23/2020 |
| Updated | 08/05/2026 |
Does your bass sound dull and lifeless? Red Rock Sound Bass Enhancer will be your choice to correct this deficiency. Bass Enhancer designed for saturation harmonics of low-frequency, it creates the effect of lower, deeper frequencies. This effect can not be created with simple equalization.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Effect |
| Effect type | Bass effects |
| Supports | Audio Unit (AU) |
| Rating | total: (37), current: (37) |
| Released | 04/18/2020 |
| Updated | 12/28/2025 |
In the '80s it was the first to use a different approach to tonal adjustments. In conventional analog equalizers, whether they are shelving, sweepable, graphic or parametric types, various sections of the audio spectra are boosted or attenuated by adding or subtracting bandpasses. In this case, frequency shaping is achieved by summing bandpasses.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (25), current: (25) |
| Released | 04/17/2020 |
| Updated | 12/28/2025 |
PolyIvoks Filter developed on the basis of the filter of the legendary Soviet synthesizer from 1980s, and only now the legendary Soviet analog sound became available in stereo mode.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (21), current: (21) |
| Released | 04/13/2020 |
| Updated | 12/29/2025 |
Based on Classic American EQ from the late '60s, the EQ550b is a continuation of the EQ that played a major role in the history of music recording, but with an additional filter band and several new frequencies.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (14), current: (14) |
| Released | 04/10/2020 |
| Updated | 01/02/2026 |
The EQ550 faithfully captures the punch, low-frequency transparency, and ultra-tight imaging of iconic American EQs of the late 1960’s.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (11), current: (11) |
| Released | 04/10/2020 |
| Updated | 01/02/2026 |
AudioKit Bass 808 Synth is perfect for earth-shaking sub bass lines and creating your own custom electronic drum sounds – It’s the ultimate tool for creating your own 808 Kick basses!
| Price | Free |
|---|---|
| Author | Audiobus Pty Ltd |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Bass |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (1129), current: (1129) |
| Released | 03/27/2020 |
| Updated | 02/27/2025 |