201+ iOS apps curated and reviewed
The best FM synthesizer app on iPhone average 4.4★ across 201+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $1.99 | 4.2★ (18) | No | No | Jul 2026 |
| 2 |  | Free | 4.9★ (1.7K) | No | No | Aug 2026 |
| 3 |  | Free | 4.9★ (2.6M) | Yes | No | Aug 2026 |
| 4 |  | Free | 4.9★ (27K) | No | No | Aug 2026 |
| 5 |  | $29.99 | 4.8★ (3K) | No | Yes | Aug 2026 |
| 6 |  | $29.99 | 4.9★ (896) | No | Yes | Aug 2026 |
| 7 |  | $8.99 | 3.9★ (9) | No | No | May 2026 |
| 8 |  | $1.99 | 3.0★ (1) | No | No | Jul 2026 |
Create unique sounds and music with this FM synthesizer app inspired by 80s hardware. Explore a variety of parameters to craft special tones and effects, and even record your creations. Includes a bonus 16-step loop sequencer for added musical exploration.
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.
Access over 100 million songs with high-quality audio and exclusive content. Enjoy personalized playlists, lyrics with translations, and features like AutoMix and Spatial Audio. Sing along with Apple Music Sing and share music with friends.
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 is a digital recreation of a legendary analog synthesizer, offering classic sound design with modern features like polyphony, an arpeggiator, and a looping recorder. Explore vast sonic possibilities with included presets or craft your own unique sounds.
This app recreates a legendary modular synthesizer for mobile devices. Explore its iconic modules, experiment with sound design, and create music with intuitive controls and advanced features.
This powerful yet accessible synthesizer brings FM synthesis to mobile devices. It offers expressive control through velocity sensitivity and includes versatile effects like a low-pass filter, stereo chorus, and tempo-synced delay. Explore a wide range of sounds with handcrafted presets and adjustable oscillator shapes.
Create a wide variety of sounds with this FM synthesizer app. It features three independent oscillators, each capable of generating four unique waveforms, and offers a responsive touch keyboard for real-time performance. Enjoy high-quality audio with a 44100 Hz sample rate.
This app faithfully reproduces the legendary M1 synthesizer, offering its iconic sounds and expanded features for modern music creation. It provides a vast library of presets and intuitive performance tools, making it accessible to both experienced musicians and beginners.
Create music with a comprehensive suite of over 40 virtual instruments and effects. This powerful yet intuitive ecosystem allows you to quickly turn your musical ideas into finished tracks, offering a vast sound library and flexible workflow for various genres.
This app transforms your device into a musical instrument with an intuitive touch interface and a friendly robot performer. Create and edit unique sounds with a powerful synth engine and apply effects. It's designed for both beginners and experienced musicians, offering features like scale locking for error-free playing and expressive gesture controls.
This virtual analog synthesizer offers a rich, warm sound with advanced features like SuperSaw emulation and morphing parameter control. It integrates seamlessly with MIDI hardware and sequencers, providing a professional-grade sound design experience on iOS.
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 is an FM tone generator and synthesizer for iPhone and iPad, offering real-time performance capabilities and voice editing. It includes a variety of presets, arpeggiator patterns, chord pads, and scales, along with drum functionalities. The app also supports external hardware integration and advanced sound manipulation through effects, EQ, and a ball controller.
Explore vast sonic landscapes with an advanced FM synthesizer. This app features morphing waves technology, extensive sound effects, and MIDI keyboard support for professional music creation.
This app is a vocoder and synthesizer that uses formants to mimic human voices. It features a pitch-space keyboard for melody creation and offers various effects like bitcrush and reverb. It also supports Audiobus for routing audio to other applications.
Transform your voice into a musical instrument with a suite of advanced audio effects. Create robotic voices, harmonies, and unique soundscapes using only your voice. Save and share your creations, or integrate them into your digital audio workstation.
Create music with a versatile virtual piano and synthesizer. Explore a wide range of sounds, effects, and adjustable keyboard settings to easily compose beats and melodies. Unlock advanced features for greater control over your music production.
Experience the legendary Synclavier sound on your mobile device. This app offers a powerful vintage synthesizer and sampler with modern MPE and AUv3 compatibility, allowing for deep sound design and integration with iOS DAWs.
This mobile music creation system offers a streamlined interface for recording, editing, and mixing audio and MIDI tracks on your iPhone or iPad. It includes virtual instruments, effects, and the ability to connect external gear for professional-quality productions. The app can be extended with in-app purchases.