248+ iOS apps curated and reviewed
If you already know AudioKit Synth One Synthesizer, this is the deeper bench. 248+ synthesizer free apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (27K) | No | No | Sep 2026 |
| 2 |  | Free | — | No | No | May 2026 |
| 3 |  | Free | 4.9★ (33) | No | No | Aug 2026 |
| 4 |  | Free | — | No | Yes | Jul 2026 |
| 5 |  | Free | 2.9★ (8) | No | Yes | May 2026 |
| 6 |  | Free | 4.0★ (1) | No | Yes | Sep 2026 |
| 7 |  | Free | 4.9★ (1.8K) | No | No | Aug 2026 |
| 8 |  | Free | 4.9★ (2.3K) | No | Yes | Aug 2026 |
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.
Create and play custom synthesizers and instruments on your mobile device. Manipulate oscillators and effects with touch, record live loops, and design unique sounds with a variety of timbres and customizable effects. Supports AUv3 for use in other music production apps.
Create music with a monophonic synthesizer featuring dual oscillators, adjustable filters, and envelope shaping. Explore various wave patterns and octaves to craft unique sounds for live performance or composition.
Create dynamic, layered visual compositions that react to live music. Design and modulate up to five independent visual layers with complex effect chains. Save and recall presets for live performance or studio use.
Experience classic 80s FM synthesizer and electric piano sounds with over 300 unique presets. This app offers professional-grade audio, extensive layering for expressiveness, and a full suite of effects. It functions as a standalone app and an AUv3 plugin for music production hosts.
This app offers a professional-quality virtual analog synthesizer inspired by classic hardware. It provides a vast library of presets, real-time effects control, and a user-friendly interface for both beginners and experienced musicians. It can be used as a standalone instrument or as an AUv3 plugin.
This music creation app offers a powerful synthesis engine, intuitive controls, and a versatile sound library for crafting unique sonic textures. Seamlessly integrate with DAWs and utilize advanced sequencing, arpeggiation, and studio-quality effects to elevate your musical compositions.
This app provides a bundle of four professional audio unit synthesizers and one effect, inspired by popular eurorack modules. Explore diverse sound design possibilities with multi-mode oscillators, modal synthesis, string generation, and granular sampling. Compatible with DAWs and AU hosts for creative music production.
This simple piano app allows users to play with various sound sources and adjust the keyboard size for comfortable play. It offers an engaging way to learn and practice music.
Learn to play the piano with a realistic 88-key virtual instrument. Features notes displayed on keys for easy learning from tutorials and multi-touch support for up to 32 simultaneous notes. Enjoy a simple interface for immediate play.
Explore authentic analog synth sounds and craft unique music with a powerful editing suite. This app offers studio-quality effects, layering capabilities, and MIDI/AUv3 support for both beginners and professionals. Save, share, and record your creations.
Transform your device into a motion-controlled musical instrument. Shape sounds and control MIDI in real-time using intuitive hand gestures, offering a unique and expressive way to create music.
Explore multidimensional sound design and performance with this polyphonic synthesizer. Create unique evolving soundscapes by navigating sonic universes and sculpting fluid sounds. Features a built-in keyboard, MPE support, and a diverse library of timbres.
This app transforms your device into a versatile music creation studio, offering a responsive synth keyboard and advanced sound design tools. Explore a wide range of sounds, record your performances, and share your music instantly. It supports MIDI input and includes rhythm tools for practice and live performance.
Create unique sounds by drawing waveforms or using motion controls. This app offers a versatile synthesizer with customizable touch interfaces and a sequencer for composing music.