1. GarageBand: GarageBand is a powerful music creation studio app that comes pre-installed on all iPads. It offers a wide range of virtual instruments, including keyboards, guitars, drums, synthesizers, and more. You can also record your own audio using the iPad's built-in microphone or connect external instruments and microphones via an audio interface.
2. NanoStudio 2: NanoStudio is a popular music production app for iPad that provides a comprehensive set of features for creating electronic music. It includes a variety of synths, samplers, drum machines, and effects, as well as a step sequencer and a mixer.
3. Korg Module: Korg Module is a collection of virtual recreations of classic Korg synthesizers, including the MS-20, Polysix, and Wavestation. These synths can be played using the touchscreen interface or with an external MIDI controller.
4. Lemur: Lemur is a modular MIDI controller app for iPad that allows you to create custom control surfaces for synthesizers and other MIDI-compatible instruments. You can design your own layouts and assign different functions to each control element, making it a versatile tool for live performances and studio work.
5. BeatMaker 3: BeatMaker 3 is a powerful beatmaking app that features a drum sampler, step sequencer, and a wide range of effects. You can create beats, loops, and full songs using the app's intuitive interface.
6. Audiobus: Audiobus is an app that allows you to connect multiple audio apps on your iPad and create complex signal chains. This can be useful for combining different instruments, effects, and processors to create unique and interesting soundscapes.
7. iReal Pro: iReal Pro is a jazz standards fake book app that includes hundreds of tunes with chord charts. You can play along to the charts using your iPad's virtual instruments or connect an external MIDI keyboard.
In addition to these apps, there are many other music and instrument simulation apps available for the iPad, catering to different genres and styles of music. With the right apps and some practice, you can turn your iPad into a portable music studio and unleash your creativity.