250+ iOS apps curated and reviewed
GSDSP MMMm is the household name in gsdsp mmmm, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (14) | No | No | Jul 2026 |
| 2 |  | Free | 4.9★ (27K) | No | No | Aug 2026 |
| 3 |  | Free | 4.8★ (34) | No | No | Jul 2026 |
| 4 |  | Free | 5.0★ (5) | No | No | Aug 2026 |
| 5 |  | Free | 4.6★ (25) | No | No | May 2026 |
| 6 |  | Free | 5.0★ (5) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.0★ (1) | No | No | May 2026 |
| 8 |  | Free | — | Yes | Yes | Aug 2026 |
This app provides a powerful MIDI modulation engine to control various plugins, hardware, and instruments. It offers a range of modulation sources like LFOs and random generators, and includes a dedicated performance skin for live use. It's a MIDI-only FX version for hosts requiring pure MIDI processing.
This is a free, open-source professional synthesizer app for iOS devices. It offers over 300 presets, MIDI support, a sequencer, and vintage-inspired filters. Learn music production basics and create your own sounds.
This app offers a robust MIDI modulation engine for controlling various instruments and plugins. It allows users to create dynamic audio with LFOs, random sources, and more, featuring a performance-focused interface for live use.
Transform your device into a professional MIDI controller with touch-optimized piano keys, drum pads, and performance controls. It supports SFZ, SF2, WAV, and M4A samples, and can control iOS apps, hardware synths, and Mac software wirelessly or wired.
This application provides physics-based Audio Unit MIDI plugins that generate MIDI messages through simulated physical interactions. It includes two distinct playgrounds: one with bouncing balls colliding with polygon sides, and another where balls interact with user-drawn segments.
This music app allows users to interact with WebMIDI websites, enabling them to learn, create, and play music. It serves as a companion for exploring MIDI functionalities online.
Configure and update firmware for CME USB MIDI devices. Manage routing, mapping, and filtering of MIDI events for precise control over your music production hardware. Requires a USB lightning adapter for connection.
This app combines a multi-touch performance keyboard, a 16-channel step sequencer, and a real-time oscilloscope. It allows seamless integration with hardware synthesizers and audio gear via USB, enabling music creation and analysis.
Design and control MIDI setups with a professional-grade tool for iOS. Create custom presets with a wide array of controls, connect to Windows and OSX, and utilize advanced features like JavaScript support for complex setups.
This app provides a powerful set of modules for generating and routing MIDI modulation signals. It features a vast mod matrix, multiple LFOs, envelope generators, and an arpeggiator to control various parameters internally or externally. Preloaded mappings and easy MIDI Learn simplify integration with other devices and software.
This app acts as a virtual MIDI port, allowing you to connect and customize any MIDI controller for use with other CoreMIDI compatible applications on iOS and iPadOS. It supports multiple controllers and offers extensive remapping capabilities.
This app offers professional-grade tuning and metronome features for musicians of all levels. It provides pinpoint accuracy, multi-instrument support, and an interactive visual display for effortless pitch correction and rhythm keeping.
This app allows users to create and control up to 16 customizable MIDI CC sliders. Record and loop slider movements or manually adjust CC values. It's designed to send MIDI messages to external hardware or software synthesizers.
This application allows users to modify settings for MIDI Expression devices. Ensure your device has firmware version 2.6 or higher for iOS compatibility.
This app provides a portable MIDI keyboard and controller for musicians, allowing them to play notes, trigger drum samples, and control parameters. It connects wirelessly or via USB to popular DAWs and synthesizers without extra software.
This application generates random musical patterns using physics-based objects. It allows you to play a built-in tone generator or connect to external MIDI devices and software.
This app allows you to connect, control, and record up to 10 MIDI instruments and controllers across 10 tracks. It manages routing, recalls instrument states, and enables live looping and complex song arrangements with a stable clock and zero latency.
Control your audio mixer's virtual faders, effects, and parameters remotely using your hardware MIDI controller. Assign controls with a built-in "learn" function for seamless integration without touching the mixer's display.