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Voice Synth Free app for iPhone and iPad

4.6 ( 8896 ratings )
Music Entertainment
Developer: Qneo
Current version: 4.1, last update: 1 year ago
First release : 13 Dec 2013
App size: 85.04 Mb

Want to sing as a popstar on AutoPitch, live-pause your voice, talk with a deep robot voice, sing freakin guitar solos without finger skills, or beat-box drums, bass & synth all at once? Sound more male or female? Or need a professional live analog retro vocoder with 24-band equalizer, pitch shifter, sampler and an incredible visual sound design tool set? Voice Synth does all this and more, all based on your own unique voice. To get you started, we included over 200 factory presets, such as:

• AutoPitch solo, duo, telecom
• Robots Cylon, Dalek, Deep
• Instruments organ, guitar, koto
• Beat-box hihat, bass, gong, chords, lounge
• Vocoder retro, disco, eery, jazz, strobo
• Animals bird, dog, lion
• Soundscapes indian, metal, crash, spinner
• Evil child, grandma, witch
• Human baby, whisper, announcer, heavy throat
• Oddities overlord, madness, twinkle

Hearing yourself live with any of these voices is an incredible experience! Play while tweaking the four 24-band live vocoders, AutoPitch tracker, live-pause your voice, multiple voice harmony arranger with keyboard, registers and scale adjustment, spectrum stroboscope, pitch and formant shifter, sampler, 24-band equalizer, distortion, delay, chorus, reverb, arpgeggiator, and a voice designer with oscilloscope and additive, maximum and multiplicative synthesis. The free version of Voice Synth provides presets and functionality by in-app purchases with a free try-out period.

Musicians, DJs, sound designers, voice artists, take a journey into vocal sound design and discover the endless possibilities. Voice Synth is the complete voice-based synthesizer, a must-have in your audio toolbox.


• Sound engine 2x32 bit at 44.1 kHz
• All effects simultaneous, live, real-time, low-latency
• Midi, background audio
• Inter-app audio instrument/effect/host
• Audio dock compatible
• VoiceOver support

• Live-pause-your-voice
• Repeater to prevent audio-feedback (when used live with built-in mic/speaker)
• Sampler to record/import/play/pause your voice, with zoom/loop/hold, speed ±800%
• Tapes to record/play/share/export your performance to iCloud/AirDrop//FaceBook/Email etc
• 200+ factory presets, unlimited user presets, import/export

• 4 vocoders with 24 bands, 5th order filters (Natural, Robot, Breath and Designer)
• Keyboard 1.5-2.5 octaves, hold on/off, mono/24-voice-poly
• 49 registers to add voice brilliance, set a chord
• Arpeggiator with pattern/gate/speed/group keys & registers
• Equalizer with 24 bands and 10 presets (loudness, low-pass, telecom, etc)
• Pitch Shifter 8 octaves (e.g. for lion voice, tenor, gender change, child, baby, duck, squeak)
• Formant Shifter adapts voice spectrum ±1 octave (change headsize from child to giant)
• Adjustable pitch tracker
• AutoPitch (always sing in tune)
• Harmony synthesis of multiple voices in adjustable musical scale (choirs and rich 70s vocoder sounds)
• Autogain, distortion, stereo panning, delay, chorus and reverb
• Slew rate: special vocoder reverb (plucked strings, wind, thunder, storms)
• Stroboscopic gate: special vocoder effect to sample and hold your voice spectrum
• Mic thru and Vocoder mix to add in your unprocessed voice (dress up beat-boxing)
• Sync timing of sampler/arpeggiator/delay/strobo voice to create rhythms
• Noise gate, manual/automatic and frequency adaptive

Designer vocoder includes
• Real time oscilloscope, what you see is what you hear!
• Mix additive/maximum/multiplicative synthesis with phase adjustment
• Sine/square/triangle/sawtooth wave with adjustable frequency, harmonics, clipping, width, skew and slope
• Noise white/voiced, with adjustable filter and clipping (e.g. for shot noise)
• Test mode to design while bypassing your own voice

Pros and cons of Voice Synth Free app for iPhone and iPad

Voice Synth Free app good for

This app is too cool. It can be used for so many things like YouTube videos, covers, prank calls you name it. It gives you a 10 minute trial then asks you pay $4.99 but honestly, $5 is well worth it. Definetly going to but the full version!!
I really like this app but it cost too much Q-Neo it makes me and my friends have a laugh,especially the High Pitch Voice or Gold Robot it sounds like Octumus Prime or whatever from Transformers please we ask you to put the price to 2.50 or 2.99 cause 5 dollars is a little over price for a awesome game can you please put a free Astronaut Voice too?

Some bad moments

It gives you a "free trial" that seems to literally be 10 minutes. I got to try to hear one preset. With the headphones on when I sang mostly I heard my own voice in my head with a tiny little bit of the sounds it was making. I was doing the choir. And it was just really tinny and bad. Im giving it one star because you cant give zero.
This app is stupid its free downloading but u have to pay ridiculous prices to use it. Please dont waste your storage on this sorry poor money grabbing excuse of an app!
Was sounding pretty cool for the 2 free minutes you get... Then it completely cancels your access until you pay... I dont support money hungry idiots who wont even let you reasonably test their products... Maybe if the trial period was longer than 2 lousy minutes I may have been interested but they didnt even give me time to go through all the trial features so only God knows what youd be wasting your money on if u actually fed into this idiots money hungry wallet!!!
I absolutely hate apps like these!!! They are pointless, one assumes they will let you try some of its features before you purchase but not these guys.. They give you the apps layout UI. THAT IS IT!!! NO FUNCTIONS NO TEST NO NOTHING. BASICALLY AS GOOD AS VIEWING THE DESCRIPTIONS PICTURE
As every poster has indicated this app has nothing but ads and (failed) marketing attempts to plainly just get your money. Demos are horribly setup, time limit for the demos is very limited and it uses too much CPU to be taken seriously. This app needs a complete overhaul and the developer needs to focus on usefulness instead of focusing on getting your money. No one will spend $10 or more on a product that they cant test even for a limited time. If the developer was serious, they would offer this app with full functionality for a demo period. As it is now, just spam and lots of graphics to make it look nice, other than that its a waste of your memory space.

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