Comparison

LogSynth vs SL VYCE

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

LogSynth

Features
Read full description

LogSynth is a polyphonic virtual-analog synthesizer built for people who care what's actually happening in the signal path, not just what the preset browser looks like. Every voice runs five anti-aliased oscillators (sine, triangle, saw, pulse with PWM, and a band-limited impulse train) plus a dedicated sub-oscillator and noise source, mixed per-voice with independent amp envelopes. Chunky oscillators, crisp effects and a zero-delay-feedback state-variable filter โ€” switchable low/high/bandpass. The drive effect is powered by a physically modeled diode circuit, numerically integrated rather than a lookup-table approximation, so pushing it into saturation behaves the way an actual analog drive would. FEATURES - 8-voice polyphony, 5 oscillators + sub + noise per voice - Zero-delay-feedback state-variable filter with resonant feedback and diode drive saturation - 5 independent oscillator envelopes plus a dedicated filter envelope - 2 assignable LFOs and an 8-slot modulation matrix - Built-in chorus, delay, FDN reverb, and 4-mode distortion - 41 factory presets across Bass, Lead, Pluck, and Effects - One-tap patch randomizer with adjustable intensity - Real-time oscilloscope, on-screen keyboard, and CoreMIDI input - Runs standalone or as an AUv3 instrument inside AU hosts Whether you're sound designing from scratch or dropping it into a DAW as a plugin, Logsynth gives you the same engine everywhere โ€” no watered-down mobile version, no feature gating between standalone and plugin modes.

About

SL VYCE

Features
Read full description

SL VYCE is a focused vocal character engine for iPhone and iPad. Shape a finished vocal sound from one interface: โ€ข Gate and de-ess controls โ€ข Compression and punch โ€ข Body and air โ€ข Formant shaping โ€ข Doubler, slap and space โ€ข Width, drive, mix and output โ€ข 24 production-ready presets Use SL VYCE as a standalone app or load it as an AUv3 audio effect in a compatible host such as GarageBand, Logic Pro for iPad, AUM or Cubasis. No account. No subscription.

Screenshots

LogSynth3 screens
SL VYCE3 screens

Verdict

The call

The clearest difference is price: LogSynth at $9.99 against SL VYCE's $14.99. SL VYCE's advantage is iOS requirement (15.0 vs 18.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

LogSynth costs $9.99 and SL VYCE $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

LogSynth ships an update every 2 weeks, SL VYCE every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences ยท 4 level
LogSynth versus SL VYCE: the parameters behind the verdict, then further details
ParameterLogSynthSL VYCE
Price$9.99 โ€” better$14.99
Update frequencyEvery 2 weeksEvery 10 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS18.015.0 โ€” better
Further details โ€” not scored
Size22 MB19 MB
Age rating4+4+
DeveloperSEAN IAN HALENWOODVIACHESLAV ZHILTSOV

In-app purchases

None

LogSynth

No in-app purchases

None

SL VYCE

No in-app purchases

Questions

Is LogSynth free?
LogSynth costs $9.99, with no in-app purchases.
Is SL VYCE free?
SL VYCE costs $14.99, with no in-app purchases.
Do LogSynth or SL VYCE have ads?
Neither LogSynth nor SL VYCE shows ads.
Which is updated more often, LogSynth or SL VYCE?
LogSynth ships an update every 2 weeks, and SL VYCE every 10 days. Most recently, LogSynth was updated on October 30, 2026 and SL VYCE on October 31, 2026.

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