Voice Synth Modular vs Synth Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Live voice processing
- Vocoders
- Auto Pitch
- Harmonizing Pitch Shift
- Speed-Shift Sampling
- Create organic soundscapes
- Save and share creations
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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
Synth Pro
Explore authentic analog synth sounds and craft unique music with a powerful editing suite. This app offers studio-quality effects, layering capabilities, and MIDI/AUv3 support for both beginners and professionals. Save, share, and record your creations.
- Authentic analog & vintage synth sounds
- Full synthesizer editing section
- Professional-grade effects
- Layer & split sounds
- MIDI & AUv3 support
- Save, share, & record creations
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Unleash the Power of Vintage Synths with Synth Pro Dive into the world of rich, analog sounds with Synth Pro, the ultimate synthesizer app designed for musicians, producers, and sound designers. Whether you're looking to recreate vintage classics or craft new, unique sounds, Synth Pro delivers an expansive library of iconic analog synths, powerful editing tools, and studio-quality effects—right from your iOS device. From the deep, warm tones of analog oscillators to the versatility of modern sound design, Synth Pro is perfect for both beginners and pros alike. Key Features: • Explore Authentic Analog & Vintage Synth Sounds: Experience the authentic warmth and depth of analog synthesis. Synth Pro features a curated library of classic synth sounds inspired by legendary hardware—Moog, Juno, Prophet, and more. Perfect for recreating retro vibes or exploring new sonic landscapes. • Full Synthesizer Editing Section: Take complete control of your sound with our powerful built-in synthesizer editor. Adjust oscillators, filters, LFOs, envelopes, and modulation for precise sound shaping. Whether you’re tweaking existing presets or designing from scratch, Synth Pro gives you the creative freedom to craft your ideal sound. • Professional-Grade Effects: Enhance your sounds with studio-quality effects like reverb, delay, chorus, phaser, distortion, and more. Add depth, texture, and polish to your music with ease. Perfect for live performances or studio sessions. • Layer & Split Sounds: Combine multiple synths or split them across the keyboard for complex, layered compositions. Ideal for live performances or creating rich, multi-textured tracks in the studio. • MIDI & AUv3 Support: Connect your MIDI keyboard or controller for full hands-on control over your sounds. Use Synth Pro as a powerful plugin in your favorite AUv3-compatible DAWs for seamless integration into your production workflow. • Vintage Meets Modern: Synth Pro blends the timeless beauty of analog with the flexibility of digital. Enjoy the best of both worlds with a modern interface designed for intuitive sound creation, whether you're after retro nostalgia or cutting-edge new sounds. • Save, Share, & Record: Save your favorite custom sounds and presets for future projects. Record your live performances or studio sessions with ease, and share your creations with the world or back them up to the cloud. Go Premium: Upgrade to unlock the full potential of Synth Pro. Get access to an expanded library of exclusive synths, more advanced editing tools, and additional effects. Perfect for pro-level musicians and sound designers who want unlimited creative possibilities. Subscription Plans: • 1 Month: $5.99 • 1 Year: $29.99 Prices may vary based on region. • Payment will be charged to your iTunes Account upon purchase confirmation. • Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. • Manage subscriptions and auto-renewal in your Account Settings. Why Synth Pro? Whether you’re performing live, producing in the studio, or exploring new creative ideas, Synth Pro delivers the rich analog sound and flexibility you need. From vintage recreations to modern experimental sounds, Synth Pro is your all-in-one synthesizer solution. Download Synth Pro today and start creating with the best analog and vintage synth sounds on iOS! Terms of Service: https://taqs.im/terms Privacy Policy: https://taqs.im/privacy Got feedback or questions? Reach us at contact@taqs.im!
Screenshots
Verdict
The clearest difference is ads: Voice Synth Modular at none against Synth Pro's shown. Voice Synth Modular also leads on ratings volume (3.1K vs 555) and iOS requirement (16.6 vs 18.0). Synth Pro's advantage is review sentiment (71% vs 41%) and rating (4.6 vs 4.2). On price, update cadence, in-app purchases and monetization model 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
Both are free to download. Voice Synth Modular sells 2 one-off in-app purchases and Synth Pro sells 20 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
Synth Pro holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: Voice Synth Modular has 3.1K ratings behind it against 555, 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 71% of Synth Pro's.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | Voice Synth Modular | Synth Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (3.1K ratings) | 4.6 (555 ratings) — better |
| Positive reviews | 41.3% of reviews | 70.6% of reviews — better |
| Number of ratings | 3.1K — better | 555 |
| Update frequency | Monthly | Monthly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 16.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 66 MB | 89 MB |
| Age rating | 4+ | 4+ |
| Developer | Qneo | TAQS.IM |
Customer experience
Voice Synth Modular
Synth Pro
User reviews
Voice Synth Modular
From 3.1K App Store ratingsWhat we love
- 🔥 Powerful voice modulation
- 🎨 Huge array of filters and sounds
- 🎹 Ability to create beats from voice
- 🎶 Excellent for vocal performances
- 👍 Intuitive and user-friendly interface
Room to improve
- 💰 Paid features hidden behind paywall
- 🔒 Confusing upgrade process
- 🐛 Unreliable recording and playback
- 🤔 Unintuitive workflow and lack of guidance
- 🤷♀️ Inconsistent functionality across updates
Synth Pro
From 555 App Store ratingsWhat we love
- 🎶 Great for making music
- 🎵 Inspiring and authentic sounds
- 💡 Unique sonic textures
- 👍 Good for FNF songs
- 🌟 Free sounds are valuable
Room to improve
- 🔋 Drains phone battery significantly
- 🐛 Audio lags and glitches in GarageBand
- 💥 Crashes in GarageBand
- 🚫 Not recognized in GarageBand sometimes
- 🔊 No sound output
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
Synth Pro
Reported bugs
6 issues- Audio lags and glitches in GarageBand
- Phone battery drain
- GarageBand crashes
- App not recognized in GarageBand
- No sound output
Show 1 moreShow fewer
- VST preset saving/loading issues
Requested features
2 requests- Merge duplicate sound banks
- Fix GarageBand integration issues
In-app purchases
Voice Synth Modular
- Pro ToolsFree
- Upgrade$8.99
Synth Pro
- TAQS.IM Monthly PRO Access$5.991 Month
- TAQS.IM Yearly Premium Access7 Days trial$19.991 Year
- TAQS.IM Yearly PRO Access7 Days trial$29.991 Year
- CZ-101 PS Essentials$2.99
- DW8PS Digital Analog$2.99
- DXSevn Legend$2.99
Show 14 moreShow fewer
- JNO-106 I$2.99
- Ethereal Voices$2.99
- Pad Sounds$2.99
- Synth Strings & Brass$2.99
- Synths$2.99
- Hafla Synth$2.99
- MOSS Leads$2.99
- Vintage Analog Synth Leads$2.99
- Oriental Throwback$2.99
- Synth Bass$2.99
- Casio CZ101 Mono Synth Leads$2.99
- JNO-106 II$2.99
- TAQSIM Synth Pro Lifetime$19.99
- TAQSIM Synth Pro Lifetime$29.99
Questions
Is Voice Synth Modular free?
Is Synth Pro free?
Which has better reviews, Voice Synth Modular or Synth Pro?
Do Voice Synth Modular or Synth Pro have ads?
Which is updated more often, Voice Synth Modular or Synth Pro?
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