Voice Synth Modular vs Spirax
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
Spirax
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Spirax bringt den Plattenkatalog von Spirax Records und die Veranstaltungen von Spirax e.V. in einer App zusammen. VINYL ENTDECKEN Durchstöbere aktuell verfügbare Platten und finde Releases über Suche, Sortierung und Filter. Filtere nach Genre, Künstler, Label, Jahrzehnt, Land oder Zustand. DETAILS, DIE WEITERHELFEN Sieh Cover, Preis, Format, Zustand von Platte und Hülle, Katalognummer, Herkunft, Genres und Styles. Entdecke Künstler- und Labelprofile, Tracklists und verfügbare Videos. NEU EINGETROFFEN Frisch eingetroffene Platten stehen gebündelt in einer eigenen Ansicht – erreichbar über die Karte im Platten-Tab oder direkt aus der Benachrichtigung. FRAG DAS TEAM: LIVE-CHAT Verfügbarkeit, Zustand, Versand oder eine Empfehlung? Schreib dem Spirax-Team direkt in der App. Kein Konto nötig, nur ein Name. Fotos, Sprachnachrichten und Dateien lassen sich mitschicken, und aus jeder Platte und jedem Event heraus startet der Chat mit dem passenden Bezug. Auf Wunsch meldet sich die App per Push, sobald eine Antwort da ist. EVENTS IM BLICK Informiere dich über kommende und vergangene Spirax-Veranstaltungen mit Datum, Uhrzeit, Ort und Beschreibung. Sage für kommende Events zu und übertrage Termine direkt in deinen Kalender. FÜR DICH GEMERKT Speichere Platten und Events als Favoriten. Optional informieren dich Push-Benachrichtigungen über neu eingetroffene Platten, anstehende Events und Antworten aus dem Chat. SCHNELL UND AUCH BEI SCHWACHEM NETZ Bereits geladene Katalog- und Eventdaten bleiben lokal verfügbar. Aktuelle Inhalte lassen sich jederzeit per Pull-to-Refresh abrufen. Spirax verbindet Musik, Kunst und Gemeinschaft – vom Vinylfund bis zum nächsten Event. Hinweise: • Die App ist kostenlos und erfordert kein Benutzerkonto. • Für den Chat genügt ein Anzeigename, eine E-Mail-Adresse ist freiwillig. Verlauf und Angaben lassen sich jederzeit zurücksetzen. • Für aktuelle Inhalte und externe Medien ist eine Internetverbindung erforderlich. • Verkäufe werden von Spirax Records über externe Angebote abgewickelt. • Spirax nutzt Discogs-Daten, ist jedoch nicht mit Discogs verbunden und wird von Discogs weder gesponsert noch unterstützt.
Screenshots
Verdict
The clearest difference is in-app purchases: Spirax at none against Voice Synth Modular's 2. Spirax also leads on update cadence (every 8 days vs monthly). Voice Synth Modular's advantage is iOS requirement (16.6 vs 26.0). On price, 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
Both are free to download. Voice Synth Modular sells 2 one-off in-app purchases. Spirax asks for nothing beyond the download.
Voice Synth Modular ships an update monthly, Spirax every 8 days. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.
| Parameter | Voice Synth Modular | Spirax |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (3.1K ratings) — better | — |
| Positive reviews | 41.3% of reviews | — |
| Number of ratings | 3.1K — better | — |
| Update frequency | Monthly | Every 8 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 16.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 66 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Qneo | Jan Feiler |
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
Spirax
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Voice Synth Modular
- Pro ToolsFree
- Upgrade$8.99
Spirax
No in-app purchases
Questions
Is Voice Synth Modular free?
Is Spirax free?
Do Voice Synth Modular or Spirax have ads?
Which is updated more often, Voice Synth Modular or Spirax?
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