Use your iPhone as a MIDI controller — a guide for every DAW

Pick your DAW

• Ableton Live Enable Track and Remote in Link/Tempo/MIDI, then map Macros and Sends with MIDI Map Mode.
• Logic Pro Nothing to enable — go straight to Controller Assignments and Smart Controls.
• FL Studio Enable the input in MIDI Settings, then Link to controller, or Multilink for several at once.
• GarageBand Works via the standard CCs — and an honest account of the mapping GarageBand cannot do.
• Cubase MIDI Remote on Cubase 12 and later, Generic Remote before it, and Quick Controls throughout.
• REAPER The control-messages checkbox everyone misses, plus parameter modulation.
• Studio One Add a control surface under External Devices, then Control Link with Focus or Global scope.
• Bitwig Studio Add the controller in Settings, then use the mapping browser — or the MIDI modulator.

How the connection works

Every guide shares the same first half, because connecting an iPhone to a computer as a MIDI device happens at the operating-system level, before your DAW is involved. There are three routes, and the right one depends on how much latency you can live with.

• USB — around 2 ms. The lowest latency and the most reliable. Connect the cable and enable the iPhone once in macOS Audio MIDI Setup; NueCtrl switches to USB MIDI on its own and appears as NueCtrl. This route depends on macOS exposing the phone as a MIDI device, so it is a Mac route.
• Wi-Fi (Network / RTP-MIDI) — around 5 ms. Wireless, and quick enough for almost everything. macOS has Network MIDI built in; on Windows you install rtpMIDI. The input shows up in your DAW under the session name rather than the phone's name, which surprises people.
• Bluetooth LE MIDI — around 10-15 ms. No cable, no shared network, fastest to set up. NueCtrl advertises itself on launch and appears as NueCtrl BLE. Fine for riding a filter, noticeable for tight rhythmic work. Support on Windows is inconsistent.

For the full walkthrough of all three, including every dialog you will pass through, see the MIDI connection setup guide.

What motion control is actually good at

NueCtrl sends continuous MIDI CC, which means it earns its place on parameters that want to move — and adds nothing to switches. The targets that pay off across every DAW are the same handful:

• Filter cutoff and resonance — the sweep that gave hardware controllers their reputation. Performed by hand, it inherits acceleration and hesitation a drawn curve never has.
• Send levels to a reverb or delay return — pushing a vocal into the tail at the end of a line is a performance, not an edit.
• CC1 (modulation) and CC11 (expression) into orchestral and sampled instruments. These need no mapping at all: the instrument already listens. Sustained string and brass lines live or die on the shape of that curve.
• Macro-style controls — Ableton's Macros, Logic's Smart Controls, FL's Patcher, Cubase's Quick Controls, Studio One's Macro Controls, Bitwig's modulators. One movement, many parameters, one automation lane to manage.
• Morph and position controls on wavetable and granular instruments, where the parameter is the sound rather than a treatment of it.

What you need

• An iPhone — the controller. Nothing else to buy.
• NueCtrl — free on the App Store. A one-time Pro in-app purchase adds Max Mode (up to 500 Hz motion capture), unlimited faders, per-fader sensitivity and unlimited presets.
• A Mac or Windows PC running any DAW that accepts MIDI.
• One connection route — Bluetooth, the same Wi-Fi network as your computer, or a Lightning / USB-C cable.

FAQ