Comparison

Voice Synth Modular vs Poly Talkbox by ElectroSpit

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Voice Synth Modular

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.

Highlights
  • Live voice processing
  • Vocoders
  • Auto Pitch
  • Harmonizing Pitch Shift
  • Speed-Shift Sampling
  • Create organic soundscapes
  • Save and share creations
Features
Read full description

Voice Synth is a professional live voice processor and music synthesizer played by your voice. With the vast set of integrated tools including Vocoders, Auto Pitch, Harmonizing Pitch Shift and Speed-Shift Sampling, you can • Sing in Tune like P-Tain & vocoded like Duft-Pank • Speak with Hollywood-quality Robot voices like 1978 Cylons • Play by Voice, no fingers needed: scream to play rock guitar, hum a church organ • Make professional funny voices: animal, evil, weird & much more • Create unique organic and rhythmic soundscapes • Sing multiple voices in harmony within any musical scale • Sample, speed shift and dress up your beatboxing to create the strangest rhythms inspiring new compositions • Live-pause and stroboscope your voice • Save and share your creations as presets and audio files • Use all of the above in your DAW and audio setup via Audio Units & MIDI This "Modular" version of Voice Synth offers a free unlimited-time tryout of all effects on prerecorded samples, while all other functions are unlocked by a single In-App-Purchase. On Voice Synth you will find no conventional ADSR, LFOs or filters. Even the keyboard is optional. Instead, Voice Synth uses the most expressive all-in-one tool you were born with: your voice! It's unique so be ready for a jump in voice creativity, sound design and rhythmic inspiration. To give you an easy start in this adventure, we included over 250 factory presets! Speak, sing, hum and scream live into the mic, and start exploring the unconventional controls: 24-band vintage analog modeling vocoders, Auto Pitch Tracking, live-voice-pause, speed-shift sampler, multiple voice harmony arranger, spectrum stroboscope, pitch and formant shifter, 24-band equalizer, classic FX as distortion/delay/chorus/reverb, and an extensive vocoder designer with oscilloscope. We included a manual for in-depth use. Musicians, DJs, sound designers, voice artists: Voice Synth is a must-have in your audio toolbox! Qneo voicesynth.com TECHNICAL SPECS • Engine 2x32 bit 44.1 kHz poly x24 • All effects fully integrated, simultaneous, live, realtime, low-latency • Background audio (iOS) • Manual • Audio Unit V3, instrument & effect, parameter automation • Audio routing • Midi • Repeater, anti-audio-feedback • Noise gate manual/auto • Keyboard 1.5-2.5 oct (midi 10), hold/mono/poly • Tapes to record/export your performance • 250+ factory presets, unlimited user presets, import/export INTEGRATED EFFECTS • 4 vintage analog modeling vocoders 24 bands 5th order filters (Natural Robot Breath Designer) • Auto Pitch, track/fix/double/inverse pitch • Multiple Voice Harmonizer, any musical scale (choirs, rich 70's vocoder sounds) • Speed-Shift Sampler ±800%, pause/zoom/loop/hold • Live-pause & strobo voice • Pitch Shifter 8 octaves (e.g. lion/gender/child/baby/duck) • Formant Shifter adapt spectrum ±1 octave (child to giant) • Registers 4 octaves (add brilliance, chords) • Arpeggiator pattern/gate/speed/grouping • Equalizer 24 bands, 10 presets (loudness, low-pass, telecom, etc) • Autogain/Compressor, Clip/Distortion, Stereo Panning, Delay, Chorus, Reverb • Slew rate: special vocoder reverb (plucked strings, wind, thunder, storms) • Mic thru and Vocoder mix to add-in your unprocessed voice (e.g. for beat-boxing) • Sync rhythmic effect timing DESIGNER VOCODER • Realtime oscilloscope • Sine/square/triangle/sawtooth, adjustable frequency/harmonics/clip/width/skew/slope • Noise white/voiced, adjustable filter/clipping • Mix additive/maximum/multiplicative synthesis • Test mode, design/play without voice

About

Poly Talkbox by ElectroSpit

Create professional talkbox sounds and melodies with a versatile keyboard interface. Explore various scales and harmonies, and add expressive effects like vibrato and pitch bends. Ideal for musicians and beginners alike.

Highlights
  • Classic Sawtooth Talkbox Sound
  • Programmable harmonies and chords
  • 30-key chromatic keyboard
  • Jam Stack for improvisation
  • Vibrato, modulation, and pitch bends
  • 9 popular scales
Features
Currently charting
Read full description

Poly Talkbox Synth by ElectroSpit is designed from the ground up for playing talkbox on the ElectroSpit ESX-1 mobile talkbox or any traditional talkbox, and comes with the perfect talkbox sound. The user interface is optimized for playing pro-quality melodies and harmonies with a keyboard layout that lets you fly. 30+ keys on your phone screen give you more room to express yourself. Easily add vibrato, modulation and pitch bends by dragging your fingers side to side or with the on screen pitchbend and modulation wheels to increase the funk and soul in your talkbox sound. You can also use pressure or shake to add vibrato. No musical training? No problem! Just slide your finger on the Jam Stack and get funky. The intuitive Jam stack allows you to improvise in one of 9 popular scales in any key. Technical Features: -Classic Sawtooth Talkbox Sound -Programmable harmonies -Programmable backing chords -30 key chromatic keyboard -Octave Transpose -Key Transpose -Pitchbend Wheel -Modulation Wheel -Portamento -Glide Time -9 Popular Scales like Blues and Pentatonic -Fine Tuning -works with ESX-1 Mobile Talkbox or any traditional talkbox - Selectable color skins - vertical keyboard mode Minimum Requirements: iPad 5th Gen, iPhone 6s, iOS 14 or better. iPhone 6s Plus or better recommended

Screenshots

Voice Synth Modular4 screens
Poly Talkbox by ElectroSpit4 screens

Verdict

The call

The clearest difference is review sentiment: Poly Talkbox by ElectroSpit at 100% against Voice Synth Modular's 41%. Poly Talkbox by ElectroSpit also leads on rating (5.0 vs 4.2) and in-app purchases (none vs 2). Voice Synth Modular's advantage is price (Free vs $4.99) and ratings volume (3K vs 2). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Voice Synth Modular is free to download; Poly Talkbox by ElectroSpit costs $4.99 up front. Voice Synth Modular sells 2 one-off in-app purchases. Poly Talkbox by ElectroSpit asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Poly Talkbox by ElectroSpit holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Voice Synth Modular has 3K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 41% of Voice Synth Modular's written reviews are positive against 100% of Poly Talkbox by ElectroSpit's.

UpkeepUpdate frequency

Voice Synth Modular ships an update monthly, Poly Talkbox by ElectroSpit every 5 days. The most recent releases landed on September 30, 2026 and September 22, 2026 respectively.

Scorecard9 real differences · 2 level
Voice Synth Modular versus Poly Talkbox by ElectroSpit: the parameters behind the verdict, then further details
ParameterVoice Synth ModularPoly Talkbox by ElectroSpit
PriceFree — better$4.99
Rating4.2 (3K ratings)5.0 (2 ratings) — better
Positive reviews41.3% of reviews100.0% of reviews — better
Number of ratings3K — better2
Update frequencyMonthlyEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank—#192 — better
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.614.0 — better
Further details — not scored
Size66 MB4 MB
Age rating4+4+
DeveloperQneoElectroSpit Inc.

Customer experience

Voice Synth Modular

All ratings3,044 ratings
Positive79.2%
Neutral5.1%
Negative15.7%
Written reviews310 reviews
Positive41.3%
Neutral5.8%
Negative52.9%

Poly Talkbox by ElectroSpit

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Voice Synth Modular

Reported bugs

4 issues
  • Crashes and freezes when using certain features
  • Microphone not detected or working properly
  • Imported audio files not playing back correctly
  • Presets and settings not saving or loading properly

Requested features

5 requests
  • Ability to record and process own voice
  • Deeper integration with music production apps
  • More customization and preset options
  • Better documentation and tutorials
  • System audio capture and processing

Poly Talkbox by ElectroSpit

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Voice Synth Modular

One-time2
  • Pro ToolsFree
  • Upgrade$8.99
None

Poly Talkbox by ElectroSpit

No in-app purchases

Questions

Is Voice Synth Modular free?
Voice Synth Modular is free to download, with in-app purchases available.
Is Poly Talkbox by ElectroSpit free?
Poly Talkbox by ElectroSpit costs $4.99, with no in-app purchases.
Which has better reviews, Voice Synth Modular or Poly Talkbox by ElectroSpit?
Poly Talkbox by ElectroSpit is rated higher. Voice Synth Modular averages 4.2 out of 5 from 3K ratings, while Poly Talkbox by ElectroSpit averages 5.0 from 2 ratings.
Do Voice Synth Modular or Poly Talkbox by ElectroSpit have ads?
Neither Voice Synth Modular nor Poly Talkbox by ElectroSpit shows ads.
Which is updated more often, Voice Synth Modular or Poly Talkbox by ElectroSpit?
Voice Synth Modular ships an update monthly, and Poly Talkbox by ElectroSpit every 5 days. Most recently, Voice Synth Modular was updated on September 30, 2026 and Poly Talkbox by ElectroSpit on September 22, 2026.

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