A free and open-source music sequencer designed for hobbyist composers, game developers, and indie artists. Comprehensive documentation is available to help users get started with its features.



244+ iOS apps & games curated and reviewed
If you already know Helio Sequencer, this is the deeper bench. 244+ online sequencer apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.5★ (11) | No | No | May 2026 | |
| 2 | Free | 4.6★ (38K) | No | Yes | Aug 2026 | |
| 3 | Free was $9.99 | 4.6★ (86) | No | Yes | Aug 2026 | |
| 4 | Free | 4.5★ (4.3K) | No | Yes | Aug 2026 | |
| 5 | Free | 3.9★ (260) | No | No | Jul 2026 | |
| 6 | Free | 3.0★ (2) | No | Yes | May 2026 | |
| 7 | $9.99 | 4.3★ (18) | No | No | May 2026 | |
| 8 | $5.99 | — | No | No | Jun 2026 |



A free and open-source music sequencer designed for hobbyist composers, game developers, and indie artists. Comprehensive documentation is available to help users get started with its features.






Create studio-quality music productions with an intuitive interface. Easily arrange notes, audio samples, and loops into sections to build songs. Offers advanced tools for editing, automation, and sharing your creations.






This app is a grid-based music sequencer that allows users to create compositions using AUv3 plugins and external MIDI devices. It offers extensive tools for arranging clips, editing notes, automating parameters, and routing MIDI.


Create modern beats and electronic music with this intuitive app. Easily compose melodies, drum patterns, and arrange them into full tracks. Access a vast library of sounds or import your own, and enhance your productions with studio-grade effects and automation.


Create music on your mobile device with a comprehensive digital audio workstation. Features include a multi-track sequencer, studio-quality instruments, and real-time effects. Ideal for composers and aspiring musicians on the go.


Create complex musical sequences and beats with a powerful Euclidean sequencer and scale generator. Explore new rhythmic possibilities with built-in instruments or integrate with your DAW. Offers a preview mode for daily experimentation before purchase.


This is a pattern-based MIDI sequencer plugin for AUv3 compatible hosts. It can drive external MIDI instruments or its internal sample-based audio engine. Create looped patterns, chain them into songs, and experiment with real-time performance modes.




Generate musical sequences using mathematical functions. Build and chain formulas to create complex, evolving melodies within a chosen key and scale. Offers conditional logic and random generation for unique musical patterns.


This app offers an interactive approach to music composition, focusing on detailed steps that can be arranged into looping sequences. It provides extensive control over note parameters and allows for real-time manipulation and experimentation.


Create custom melodic sequences and control other compatible audio products. Offers a variety of sequencers and utilities for generating unique rhythms, harmonies, and soundscapes. Can be used as a standalone MIDI sequencer or as an effect.


This app is a powerful practice tool for musicians, blending a graphic sequencer with an advanced metronome. Create custom rhythm chains for skill development or download pre-made patterns to improve timing and learn new musical ideas.


Generate complex musical sequences automatically using Euclidean rhythms. This AUv3 plugin allows you to define multiple rhythm parts, create patterns, and switch between them seamlessly within your favorite DAW.


This app allows musicians to sketch guitar parts by placing chords on a fretboard and creating strumming patterns. It offers an intuitive alternative to traditional tab workflows, enabling users to build chord progressions and export ideas as MIDI files for DAWs.


This app sequences MIDI CC and Program Change messages to control patterns in music applications. It allows for sophisticated song arrangements by timing pattern changes in synthesizers and drum machines. Features include multi-track sequencing, flexible step durations, and an advanced action system for dynamic control.


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.


Automate and synchronize your HomeKit lights with custom sequences. This app allows you to control the timing and color of your smart home lighting. Requires HomeKit-enabled devices to function.


Engage in the classic strategy board game with fast-paced online multiplayer. Challenge friends, join live matches, or practice against AI bots in various difficulty modes. Enjoy official rules and competitive progression with a clean, mobile-first interface.


This app offers a unique approach to MIDI sequencing with interactive and semi-generative features. Connect steps with conditional 'wormholes' for structured variation and create melodic variations in real-time without disrupting the groove. Its flexible grid supports various musical applications, from simple melodies to complex generative patterns.


This app provides a suite of 10 MIDI sequencers and controllers for mobile music production. Explore freeform sequencing, generative patterns, and precise control over MIDI instruments within compatible host applications.