MIDI Wrench is described as 'is your Swiss army knife that helps you coping with your daily MIDI setup tasks. Connect a MIDI keyboard, MIDI sound expander or any other MIDI device to your iPad, iPhone or iPod touch by using the Apple USB camera adapter or any other adapter supported by Apple.?' and is an app in the Audio & Music category. There are five alternatives to MIDI Wrench for Windows, Mac and Linux. The best alternative is MIDIQ. It's not free, so if you're looking for a free alternative, you could try gmidimonitor or MIDI Translator Pro (Bomes midi). Other great apps like MIDI Wrench are MIDI-OX (Free Personal) and MIDI Lab (Paid).
Bome MIDI Translator Pro is a popular MIDI and keystroke mapping tool: use it for controlling arbitrary software by way of MIDI and keystrokes. Its rich feature set also allows it to be used for general Windows automation.
MIDI Lab is a Swiss army knife allowing any imaginable MIDI processing environment to be defined. Perfect for studio and live performances. Connect all your MIDI hardware and manage it from one control panel.