Apps like Relic Waves

Here are some great alternatives to Relic Waves by Alexander Zolotov :
Spacecraft Granular Synth
Spacecraft Granular Synth
★4.7
FM Synthesizer [SynprezFM II]
FM Synthesizer [SynprezFM II]
★4.4
Synth
Synth
★4.2
bismark bs-16i
bismark bs-16i
★3.3
Piano MIDI Legend
Piano MIDI Legend
★3.8
Remixlive - Make Music & Beats
Remixlive - Make Music & Beats
★4.5
FL STUDIO MOBILE
FL STUDIO MOBILE
★4.0
Piconica
Piconica
★4.3
AutoPad — Ambient Pad Loops
AutoPad — Ambient Pad Loops
★3.9
Drum Solo Studio: drums set
Drum Solo Studio: drums set
★4.5
vuKNOB
vuKNOB
★5.0
MIDI To MP3 Converter
MIDI To MP3 Converter
★4.2
Rockrelay Synth FM
Rockrelay Synth FM
★4.1
My Piano - Record & Play
My Piano - Record & Play
★4.0
Synth Super JX
Synth Super JX
★4.2
Sound Effects Pad -Alien Space
Sound Effects Pad -Alien Space
★4.2