Wavimus vs Beat Kitchen Harmonic Synth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wavimus
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Wavimus is a deep wavetable synthesizer for iPhone and iPad (iOS 18+). Optimized for touch, Wavimus offers crisp stereo output for mobile musicians, sound designers, and producers looking for advanced synthesis workflows standalone or inside an iOS DAW. Standalone App & AUv3 Plug-In Deploy Wavimus in two distinct configurations that seamlessly share user presets: • Standalone App: A full-screen production environment with an on-screen mini keyboard, real-time output oscilloscope waveform display. • AUv3 Instrument Plug-In: Connect inside compatible hosts like GarageBand or AUM. It appears natively as "Wavimus”. Advanced Oscillators & Morphing • Three Wavetable Oscillators (WT 1–3): Features level, coarse/fine tuning, octave offset, and phase modes (restart on note-on or free-running). Morph across 64 frames (256 samples per bank) manually or via automatic scan sweeps with variable LFO shapes. • 21 Procedural Banks: Morph across characteristic timbres including Sine→Saw, Tri→Square, Glass additive, Warm drive, Beating detune, Odd harmonics, PWM brass, Formant choir, Fold ice, Phase warp, Step crush, Sub grind, FM metal, Pulse ripper, Fold hell, Ring comb, Sync tear, Crush scrape, Reso skream, Chaos stairs, and Growl sub. • Sub & Noise: Dedicated sine-based sub layer for bass weight and a customizable noise oscillator (white, pink, brown). Includes independent ADSR+hold amp envelopes per oscillator slot. ZDF Filters & Modulation Matrix • Dual ZDF Filters: Independent virtual-analog style filter modules (Filter A and B) with zero-delay feedback topology and non-linear drive saturation. Includes low-pass, high-pass, band-pass, and notch modes (12/24 dB slopes), logarithmic cutoff mapping (20 Hz–22 kHz), resonance, key tracking, pre/post drive, and series/parallel routing. • 64-Slot Mod Matrix: Up to 64 many-to-many routes with bipolar depth. Sources include LFOs 1-3, envelopes (amp/mod 1-3), velocity, mod wheel, pitch bend, performance macros 1-4, and pressure (poly/channel aftertouch). Targets include pitch, levels, wavetable positions, filter settings, LFO rates, effect mix, and delay tape speed. Multi-Effects & Parametric EQ • Dedicated Global FX: Includes a global Delay (ping-pong/tape types with mix, time, feedback, tape speed), an 8-channel FDN algorithmic Reverb with modulated delay reads for lush tails, and Distortion (bitcrusher, saturator, tape). • 5-Slot Serial Effects Chain: Chorus, Flanger, Phaser, Modulation-style EQ, and a Compressor. • Master Parametric EQ: An 8-band EQ separate from the serial chain with an interactive curve display, 2x oversampling high-quality mode, and stereo, left/right, or mid/side routing. Polyphony, MPE & Randomization • Voicing & Stacking: Up to 16 voices with poly/mono/legato voicing modes, portamento/glide, and unison stacking up to 16 detuned voices with stereo spread. • Master Processing: DSP master soft limiting features polyphony-aware gain scaling to safely minimize clipping on chords. • Sound Design Dice: Global patch randomization across three intensities (Nice, Medium, Chaos) plus per-oscillator module dice targeting related routes. • Integration & Styles: Optional MPE mode with per-note pitch bend, timbre, and pressure expression alongside standard Core MIDI input. Supports dark or light theme options with 18 custom accent color presets.
Beat Kitchen Harmonic Synth
Shape the overtone series directly to create unique sounds. This additive synthesizer allows real-time manipulation of harmonics, LFOs, and envelopes. Explore sound design and synthesis on your device.
- Additive synthesis engine
- Overtone series shaping
- Live waveform and spectrum response
- Modulation matrix with LFOs and envelopes
- AUv3 support
- On-device processing
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BKS Harmonic is an additive synthesizer that builds sound from individual overtones, then gives you tools to shape, scan and filter them by harmony. Load it as an Audio Unit v3 inside AUM, GarageBand, Cubasis, Loopy Pro or any AUv3 host, or run it standalone. A TUNER THAT KNOWS ABOUT STRETCH Tune mode turns the scope into a tuner: it names the note it hears and shows how far sharp or flat it is in cents, with a ring that closes as you land on the pitch. It tunes against the stretch curve rather than equal temperament, so it follows a real instrument. Stretch shapes the overtones inside a note; Key Stretch makes the keyboard follow it, so octaves widen the way a piano's do. FOURTEEN TUNING SYSTEMS, AND A TEMPERAMENT EDITOR Equal and Just, five historical temperaments, and six from outside the European tradition including Maqam Rast, Turkish Rast, Slendro, Pelog and the Harmonic Series. The Temperament slider is a morph, not a switch: fully left is Just, fully right is whichever you chose. Twelve bars show any system as cents away from equal; drag one to make the tuning yours, then copy it out as plain text. Tunings save with the preset. FIVE HUNDRED SCALES Searchable by alternate name: malkauns, nikriz, bhupali and freygish find the right set. THE PARTIALS ARE THE INSTRUMENT The partials display shows every overtone in your sound, and four tools work on it directly. FOLD sweeps upper partials below the fundamental, redistributing energy across harmonic layers — not a filter. The OVERTONE SCAN steps a spotlight through individual partials with triangle, saw or random patterns, and can visit only partials in the active scale. The HARMONIC GATE reinforces partials whose pitch class matches your chord and suppresses the rest: capture a chord, follow MIDI, split the keyboard, or pick the notes on the gate's own keys. SCULPT draws the level and pan of every partial, slides the curve up the grid as a formant, and locks partials in place while the rest moves. THE HARMONIC VOCODER Pass live input or a sample through the synth as an effect. Your sound travels through a bank of tuned peaking bells rather than being replaced by filtered noise: open the Air and the source stays dry, tighten it and the bands resonate into it. Key Track is the mode switch: on it plays as an instrument, off it is a fixed filter you can sweep. Aimed at a sample, the bands track that sample's spectrum as it evolves. One level-matched Blend control crossfades it against the oscillators. PULSE-WIDTH MODULATION Set the core to a saw and Source 2 to a saw: the two ramps subtract, which is what a pulse wave is, and the phase between them sets the duty cycle. Modulate it and you have PWM. A preset in the Utility folder is ready to play. MODULATION A cog on almost every control, so the synth's own engine can drive nearly anything in the interface, including the display. Sources include velocity, envelopes, LFOs, how many notes you hold, how many oscillators sound, the synth's own output level, and Atmo, a shape driven by 84 years of barometric weather data from the Beat Kitchen Weather Sonification Project. Rates run from audio rate down to cycles that span years. THE SCOPE A stereoscope, oscilloscope, spectrum and a live per-partial display. Glow takes the trace from a hard line to a diffuse bloom, Colour sets the hue, Trace Speed and Dot set how it draws — and every one is a modulation target. Route velocity to Colour and the trace shifts as you play. LIVE INPUT A headphone button passes the side-chain straight to the output, so you can hear and see your input with nothing held: green when signal arrives, amber when a bus is connected but silent, red when nothing is. Resynth Speed locks a sample's playback speed to pitch, tape-style, or keeps them independent. Every control has a tooltip, presets work offline, and a harmony wheel follows what you play. One purchase, every update. Made by Beat Kitchen, a music production and teaching community.
Screenshots
Verdict
The clearest difference is price: Beat Kitchen Harmonic Synth at Free against Wavimus's $14.99. Beat Kitchen Harmonic Synth also leads on update cadence (every 3 days vs every 10 days) and iOS requirement (16.0 vs 18.0). Wavimus's advantage is in-app purchases (none vs 1). 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
Beat Kitchen Harmonic Synth is free to download; Wavimus costs $14.99 up front. Beat Kitchen Harmonic Synth sells 1 one-off in-app purchase. Wavimus asks for nothing beyond the download.
Wavimus ships an update every 10 days, Beat Kitchen Harmonic Synth every 3 days. Both last shipped on October 12, 2026.
| Parameter | Wavimus | Beat Kitchen Harmonic Synth |
|---|---|---|
| Price | $14.99 | Free — better |
| Rating | — | 4.8 (12 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 12 — better |
| Update frequency | Every 10 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | SEAN IAN HALENWOOD | Beat Kitchen LLC |
In-app purchases
Wavimus
No in-app purchases
Beat Kitchen Harmonic Synth
- Full Unlock$14.99
Questions
Is Wavimus free?
Is Beat Kitchen Harmonic Synth free?
Do Wavimus or Beat Kitchen Harmonic Synth have ads?
Which is updated more often, Wavimus or Beat Kitchen Harmonic Synth?
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