Comparison

Voice Synth Modular vs CanSeeVoice

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

CanSeeVoice

This app visualizes your voice's frequency and amplitude using wave and FFT graphs. It includes a piano keyboard to help you match vocal pitches and offers recording, playback, and noise rejection features. Adjust system volume and explore various graph displays for detailed audio analysis.

Highlights
  • Fundamental frequency display
  • Wave and FFT graph visualization
  • Recording and playback
  • Piano keyboard sound output
  • Noise rejection
  • System volume control
Features
Read full description

This application shows the frequency of your voice. When you hit the piano keyboard, you will hear the sound of the keyboard, so you can check the height of your voice. Be careful with the volume when using headphones. This application has the following features. A) Display of the value of a fundamental frequency B) Display of the amplitude level of the wave/FFT graph C) Button of Recording/Stop D) Button of PlayBack/Reverse PlayBack E) Button to change graph F) Slider to change system volume G) Button of noise rejection H) Display of a fundamental frequency on the piano keyboards & output sound I ) Display of all wave data J) Display of the wave graph K) Display of the FFT graph L) Display of relationship between FFT and time

Screenshots

Voice Synth Modular4 screens
CanSeeVoice4 screens

Verdict

The call

The clearest difference is review sentiment: CanSeeVoice at 100% against Voice Synth Modular's 41%. CanSeeVoice also leads on rating (5.0 vs 4.2) and in-app purchases (none vs 2). Voice Synth Modular's advantage is ratings volume (3K vs 1) and update cadence (monthly vs every 5 months). On price, ads, device support and iOS requirement 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

Both are free to download. Voice Synth Modular sells 2 one-off in-app purchases. CanSeeVoice asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CanSeeVoice 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 1, 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 CanSeeVoice's.

UpkeepUpdate frequency

Voice Synth Modular ships an update monthly, CanSeeVoice every 5 months. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

Scorecard6 real differences · 4 level
Voice Synth Modular versus CanSeeVoice: the parameters behind the verdict, then further details
ParameterVoice Synth ModularCanSeeVoice
PriceFreeFree
Rating4.2 (3K ratings)5.0 (1 ratings) — better
Positive reviews41.3% of reviews100.0% of reviews — better
Number of ratings3K — better1
Update frequencyMonthly — betterEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.615.6 — better
Further details — not scored
Size66 MB1 MB
Age rating4+4+
DeveloperQneoyo muneta

Customer experience

Voice Synth Modular

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

CanSeeVoice

All ratings1 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

CanSeeVoice

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

CanSeeVoice

No in-app purchases

Questions

Is Voice Synth Modular free?
Voice Synth Modular is free to download, with in-app purchases available.
Is CanSeeVoice free?
CanSeeVoice is free to download, with no in-app purchases.
Which has better reviews, Voice Synth Modular or CanSeeVoice?
CanSeeVoice is rated higher. Voice Synth Modular averages 4.2 out of 5 from 3K ratings, while CanSeeVoice averages 5.0 from 1 ratings.
Do Voice Synth Modular or CanSeeVoice have ads?
Neither Voice Synth Modular nor CanSeeVoice shows ads.
Which is updated more often, Voice Synth Modular or CanSeeVoice?
Voice Synth Modular ships an update monthly, and CanSeeVoice every 5 months. Most recently, Voice Synth Modular was updated on October 17, 2026 and CanSeeVoice on October 9, 2026.

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