Apps similar to Surge Synthesizer include Vital, which is open source with a free version. Other options are Helm, ZynAddSubFX, Odin 2 and Dexed. Music Production Apps like Surge Synthesizer are a crowded field, with more than 25 alternatives for iPad, Windows, iPhone, Mac and Linux.
Vital is a spectral warping wavetable synthesizer with drag'n'drop modulation workflow and animated preview of the synth's inner workings where needed. Comes with many modulation sources (including audio-rate), MPE support and FX chain.
United States
Helm is a free, cross-platform, polyphonic synthesizer with a powerful modulation system. Helm runs on GNU/Linux, Mac, and Windows as a standalone program or LV2/VST/VST3/AU plugin.
United States
ZynAddSubFX is a fully featured open source software synthesizer capable of making a countless number of instruments, from some common heard from expensive hardware to interesting sounds that you'll boost to an amazing universe of sounds.
Romania
EU
Odin 2 is a versatile 24-voice polyphonic synthesizer that covers about every type of synthesis out there. Odin 2 is released as open-source software.
GermanyEU
Dexed is an FM-type softsynth developed by Pascal Gauthier of Digital Suburban. It is an ideal application for importing, playing and editing/managing sysex patches from both the classic Yamaha DX7 synthesizer and the TX7.
FranceEU
Movement in nature has inspired us for centuries. And now, the sounds of movement in nature have inspired a new instrument that will put you into a creative state of flow.
South Korea
The NES VST is designed to emulate the 8-bit sounds of the Nintendo, remaining faithful to the specifications of the 2A03 chip.
United States
Discover music creation with Gradient Synth! Create vibrant sounds effortlessly. Ideal for all ages—just tap the gradient and make music today!.
Groovebox is a beautifully designed mobile music studio packed with inspiring synths and drum machines. In minutes you’ll be making beats and melodies, playing world-class instruments, and creating great new music.
TAL-NoiseMaker is an improved version of TAL-Elek7ro and has a completely new synth engine and a lot of improvements in sound and usability. The synth also includes a small effect section with a reverb, chorus and a simple bit crusher effect.
Switzerland
Tyrell is the name of a project by the German online magazine Amazona.de. A reader survey and follow-on forum posts provided a pool of ideas for a low cost HARDWARE analogue synth, which Mic 'Moogulator' Irmer used to develop quite a powerful concept.
GermanyEU
SwedenEU
