App Overview

Voice Synth icon

Voice Synth

Qneo · Music

Voice Synth is a professional live voice processor and music synthesizer played by your voice

$8.99 · In-app purchases

PRICE
$8.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.1
334 ratings · Top 30%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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What's included17 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Voice Synth: map the core Music workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Offer more robust free tier with features to engage users

Assumption to check: Limited free features restrict user exploration

Validate with people who use this workflow before building.

Hypothesis 2

Optimize audio processing for smoother experience

Assumption to check: Performance issues during audio processing

Validate with people who use this workflow before building.

Hypothesis 3

Incorporate social sharing and collaboration tools

Assumption to check: Lack of community features for sharing projects

Validate with people who use this workflow before building.

Hypothesis 4

Provide better onboarding and tutorial resources

Assumption to check: Steep learning curve for new users

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store 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 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

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

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BUILD KIT DIFFICULTY
Advanced

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.