
King of FM 2: DX Synth/E Piano
King of FM plays layered sample-based synth sounds with effects, MIDI and supported plug-in hosting.
Consider for exploring retro-inspired sounds on a tested host
Presets, microtonality and standalone WAV recording cover several music workflows.
Keep in mind: DX7/SY77 comparisons and artist-use claims are not official endorsement or exact hardware emulation; host, MIDI and accessibility behavior must be tested.
Inside the app
Official product imagesWhat you can do
- Play entitled instrument presets
- Shape sounds and map supported MIDI
- Record WAV or use a compatible AUv3 host
Good for
- Musicians and learners exploring synthesized timbres
Consider alternatives for
- Users requiring an exact licensed hardware clone or guaranteed every host supported
Limitations & considerations
- Captured minimum: iOS 15.0.
- DX7/SY77 comparisons and artist-use claims are not official endorsement or exact hardware emulation; host, MIDI and accessibility behavior must be tested.
Privacy & permissions
Recordings and exported presets may reveal unreleased work; verify sharing/sync destinations and optional host permissions.
Sources & review notes Updated Nov 11, 2026
Reviewed by iApp4Me Editorial Team. Recommendations use the linked documentation and attributed accounts; device observations are identified separately.
- US App Store developer description
Complete description, download price and compatibility metadata captured 2026-11-02.




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