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This app reproduces the functionality of Casio’s best-selling CZ-series models, such as the CZ-101 (first released in 1984), and also includes new functions.

New version 1.1.3
Old version 1.1.2
Release Notes ・Supported the File's app. *iOS 11 or later ・Fixed bugs.
Author CASIO COMPUTER CO., LTD.
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus

Plectrum is a classic emulation of plucked string instruments.

New version 2.0
Old version 1.1
Release Notes Version 2.0 brings a variety of new controls to better shape your sounds, as well as an on-screen keyboard to start making music right from the container app.
Author Luis Felipe Vieira Damiani
Type Instrument
Instrument type Sampler
Instrument sounds Strings
Supports Audio Unit (AU)

iDousyn Pro is a Mobile Instrument App with a lot of high quality sounds selected for different musical genres.

New price $0.99
Old price $1.99
Author Jorge Lozada
Type Instrument
Instrument type Sampler
Instrument sounds All-in-one
Supports Inter-App Audio (IAA)

Rhythm Lab is a comprehensive rhythm app that tests your skill and coordination.  There are four types of drills: single, double, drum, and drum kit.

New version 3.2
Old version 3.1.6
Release Notes Version 3.2 provides color theme options - eight different color themes to choose from! Bug fixes - user files that have been saved to an external location now can be loaded without causing the app to crash. The Rhythm Lab website is now accessible directly from links on the Information screen. Tap Screen controls have been streamlined to give a cleaner look.
Author Jonathan Ensminger
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audiobus

BeatMaker is a drum sampler.

New version 3.0.9
Old version 3.0.8
Release Notes BeatMaker 3 is frequently updated to bring more exciting features and improve the overall experience! [Overall improvements] - Parameters controlled by a macro will now act as macro knobs themselves, rather than displaying a panel to change/set the value. - When displaying the FX panel back, restore the position where it was left on. - Mixer levels can now be switched between traditional green/red levels and track colors. Simply press the “•••” button at the bottom right of the mixer. - Added a RMS or Peak switch in the Mixer. Simply press the “•••” button to show the option panel. - Added a channel strip size switch in the Mixer. Simply press the “•••” button to show the option panel. - The 0dB graduation is now more prominent on mixer channel meters. - Renamed quantization recording option to “Quantize Note On’s” and “Quantize Note Off’s” for clarity. - Metronome options are now in a separate panel. To display it, long-press the metronome icon in the transport bar. - Added metronome volume and tuning in the new metronome panel. - Added “All Pass” filter type in SV Filter and 6-bands EQ effects. - “Dynamics” effect improvements. - Added a toolbar to copy, paste, cut and clear pads when entering “SELECT” mode on the main Perform screen. - When entering Pads “SELECT” mode, disable Repeat. - Pressing the browser headers, and the plugins list headers will quickly jump back to the beginning of the list. - Save and restore full-screen sample editor time reference. - It is now possible to set any color on tracks, banks & pads with the RGB color selector in the track panel. - It is now possible to set any color on macros with the RGB color picker in the macro setup panel. - Keep the order in which parameters are connected to macros, in the macro setup panel. - Audio tracks can now use any other tracks as their audio input (hardware outputs, auxes, other audio tracks). - In the Sound Store, you can now see which pack you already own and if they are already installed. - It is now possible to re-assign focus actions to another device. - Display sample bit-depth and sample rate in the editors. - Improved AUv3 & IAA MIDI events timing and sequencer position accuracy. - In the Settings, it is now possible to set the iOS audio system in “high-quality mode” (aka “measurement”). This mode is intended for apps that need to minimize the amount of system-supplied signal processing to input and output signals. [Sampler & Plugins] - When double-tapping the sequencer stop button, don’t send note off’s messages on all 128 keys and all 16 channels. - Zoom to maximum level when long-pressing sample editor [+] button. - Slices can now be exported a separate samples. They will be saved in the main ‘Samples’ directory. [Sequencer] - Added an arm button to enable/disable track recording. [Bug fixes & engine improvements] - Effect presets can now auto-create macros again. - In the full-screen plugin view, properly show the AUv3 user interface again after displaying the “Add effect” panel. - Fixed an issue with AUv3 MIDI plugins transport state. - Fixed an issue where AUv3 would be notified about sequencer position changes in pre-roll / count-in. - Fixed an issue with recorded quantized note off’s. - Fixed an issue where the bank group was not properly restored on session load. - Fixed Saturator effect that would still apply output gain regardless of bypass status. - Fixed an issue preventing some IAA plugins to appear in the list. - Fixed an critical bug that would crash the app when loading presets with lots of samples/layers (ie: BeatMaker Grand Piano). - Fixed an issue where the audio track input label, in the mixer, would not properly update after reloading a session. - Fixed an issue on the song editor and sample editor where zoom would get stuck. - Fixed an issue on the song editor where pinching would cut notes. - Other bug fixes & minor visual improvements around the app. See https://intua.net/blog for more update info.
Author INTUA
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Ableton Link

X Drummer is the drum production tool for guitarists, songwriters and mobile musicians.

New version 1.5.5
Old version 1.5.4
Release Notes Version 1.5.5 includes the following: - 80 brand new drum grooves in the style of Jazz and Blues! - Fixed: Autosave issue with drum kit, pattern length, and loop function - Project menu now displays Drum Kit info for each project - General fixes and improvements
Author Positive Grid Inc
Type Instrument, Tool
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus

LumaFusion is a powerful multi-track video editor for mobile devices.

New version 1.5
Old version 1.4.8
Release Notes LumaFusion 1.5 is a huge update with important features, improvements and bug fixes. NEW • Cropping. Fully keyframable cropping in the Frame & Fit editor is perfect for split screen and other amazing effects. • Chroma Keying. Presets for green screen, blue screen and luma key, as well as controls for custom keying. • Network Drive (SMB) Support. Import and export directly from Network Drives (SMB) including Western Digital Wireless Pro drives • SanDisk iXpand Flash Support. Import and export directly from SanDisk iXpand flash drives • Support for media files with multiple video and audio tracks. Video track can be selected in Frame & Fit, Audio track can be selected in audio tool. If you detach audio for a clip with multiple tracks, the 'alternate' track will automatically be selected. Great for use with iOS 11 screen recordings that have both internal audio and microphone recording. • Automatic project backups. Automatic backups when leaving the app or opening the project manager. Restore a backup using the Files app by selecting it from the LumaFusion Project-Backups folder. Control the number of backups per maintained per project in Settings. • Drag-and-drop support. All supported file types (media, fonts, styles, LUTs, etc) can be dragged-and-dropped into LumaFusion • Import and export from iTunes File Share • 2:3 aspect ratio added • Export to 'Rendered Movies' folder in the LumaFusion library, making it easier than ever to do multi-pass workflows IMPROVED • Blend slider added to LUT and other effects • Added rotation control to control list in Frame & Fit. Rotation control is easier to use (just drag left and right) • Changed timeline logic to always ripple the main track when inserting transitions, making it easier for most users (you can change this in Settings) • Continue browsing the library while the project manager is open • Improved breadcrumb control makes it easer to browse in library and when importing • Export remembers the last folder selected for each destination • Folder selection on export is more consistent, and you can create folders for most destinations FIXED • Fixes for audio pops on export and issues during playback • Fixes for blank preview • Archives now properly store images and custom fonts from titles • Added button to save image layer to user image presets • Layer names are properly updated in controls as they are changed • Numerous additional fixes to user interface and functionality (see the complete list on our forums) In upcoming releases we’ll continue adding new features, and will continue to enhance every aspect of LumaFusion. We look forward to your feedback. Join our forums at forums.luma-touch.com (registration code 4fusion90) or contact us directly at support@luma-touch.com
Author Luma Touch LLC
Type Host
Supports Audio Unit (AU)

Groove Rider GR-16 is a professional step-sequenced groove box, inspired by professional hardware drum machines and rhythm boxes.

New version 1.2.3
Old version 1.2.2
Release Notes - Ableton Live Set Export feature added (in Utilities menu), that allows to export pattern's stems directly in Live Set project; - pattern stems export feature added (in Utilities menu); - fixed: now reverb's tail does not cut when switching between two patterns with the same reverb effect type assigned on them; - added function of copy/pasting of the whole bar in the pattern; - added ability to delete user samples and folders directly from within the app: swipe left on the user sample file or folder in the Wave selector; - pattern import dialogs improved; - minor bug fixes.
Author Dmitrij Pavlov
Type Instrument
Instrument type Sampler, Synth
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus, Ableton Link

Redshrike is a polyphonic synthesizer that combines a resonator designed to make more complicated sound creation and subtraction synthesis with an FM oscillator that creates violent distortion.

New version 2.1.2
Old version 2.1.0
Release Notes - Improved stability when starting up as AUv3
Author iceWorks, Inc.
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link

New version 5.0.4
Old version 5.0.0
Release Notes Fixed: Issue with AudioBus/Inter-App Audio quality for certain device configurations. If you experience noise with Wotja in AudioBus, consider changing the sample rate between 48000 and 44100 Hz in the Wotja Settings screen. If, after changing sample rate, you get occasional audio break-up, consider experimenting with the Audio Latency value in Settings. Fixed: Mixdown recordings (made with active IAP subscription) now shown in recordings list Fixed: Now selects correct voice for editing in Voice editor (not always the first one!) Fixed: iPad Voice Parameters layout margins Changed: "WJ18 BP3 Backings" templates now displays as "WJ5 BP3 Backings" If you have any feedback, comments or discover any problems we'd love to hear from you at support@intermorphic.com

AudioStretch is the audio and video transcription tool. Now you can manipulate the pitch, speed and transcribe your tunes from both audio and video files; or by using your phone’s camera you can capture video directly into AudioStretch and transcribe it.

New price $0.99
Old price $9.99
Author Cognosonic Pte Ltd
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audiobus

The legendary TB-303 has magical properties; it is filled to the brim with analog shimmer.

New version 1.5.3
Old version 1.5.2
Release Notes Added a protection against possible "infinitely-decaying-slide" phenomenon when the synth does not receive a note-off during a sliding note. After 12 consecutive slides or reaching near-silence while sliding, the synth engine will assume something is wrong and reset the amp section for the next note.
Author Bram Bos
Supports Audiobus, Audio Unit (AU)

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

New version 1.6.3
Old version 1.6.2
Release Notes General improvements AU plugin enhancements
Author Future Moments
Type Effect
Effect type All-in-one, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

New version 5.0.4
Old version 5.0.3
Release Notes Fixed: Mixdown recordings (made with active IAP subscription) now shown in recordings list V5.0.3 Fixed: Issue with AudioBus/Inter-App Audio quality for certain device configurations. If you experience noise with Wotja in AudioBus, consider changing the sample rate between 48000 and 44100 Hz in the Wotja Settings screen. If, after changing sample rate, you get occasional audio break-up, consider experimenting with the Audio Latency value in Settings. Fixed: Now selects correct voice for editing in Voice editor (not always the first one!) Fixed: iPad Voice Parameters layout margins Changed: "WJ18 BP3 Backings" templates now displays as "WJ5 BP3 Backings" If you have any feedback, comments or discover any problems we'd love to hear from you at support@intermorphic.com

PolySynth is the true polyphonic synthesizer from DesignByPaul with only 3 note polyphony but packed with vintage analog character.

New version 1.1
Old version 1.0
Release Notes – Arpeggiator latch/hold – Bug fixes
Author Paul Betowski
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus

Beat Twirl is a "beat slicer" app. The app lets you analyze existing sounds and detect their rhythm with its note onset algorithms.

New price $8.99
Old price $9.99
Author Guy Shaviv
Type Host, Tool
Supports Audiobus

A very easy to use audio editor and recorder.

New version 1.31
Old version 1.30
Release Notes - Allow recording at 96 kHz with compatible external microphones, - TwistedWave could crash in some cases when re-opening a session, - Applying effects from some AudioUnit extensions could turn the audio to silence.
Author TwistedWave Software Ltd.
Type Host
Supports Audiobus

Get 1.4 million guitar, bass & ukulele chords, tabs and lyrics to learn your favorite songs.

New version 3.7.5
Old version 3.7.4
Release Notes Performance improvements
Author Ultimate Guitar
Type Tool

Real Guitar is the guitar simulator app.

Author Gismart
Type Instrument
Instrument type Sampler
Instrument sounds Guitar
Supports Inter-App Audio (IAA), Audiobus

ChordBud is an all in one app that combines most important concepts when sketching a song.

New version 1.0.7
Old version 1.0.6
Release Notes Minor fixes and improvements.
Author Cem Olcay
Type Tool
Supports Ableton Link