LogSynth vs QuickTrack
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
LogSynth
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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.
QuickTrack
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QuickTrack is a multitrack music studio for iPhone, iPad, and Mac. Record ideas, shape songs, mix with native DSP, and deliver independently verified audio while your Original media stays protected. RECORD AND ARRANGE: - Record vocals and instruments with metronome, count-in, cycle recording, route status, and latency compensation - Build audio, MIDI, and drum-pattern tracks with sections, markers, snap, zoom, and project-local Undo and Redo - Split, move, trim, fade, reverse, stretch, and pitch audio non-destructively - Keep autosave, crash recovery, unfinished takes, and explicit relink states understandable MIDI AND INSTRUMENTS: - Edit notes and velocity in the Piano Roll, program beats in the Step Sequencer, and draw clip or track automation - Play responsive software keys and drum pads, then record the performance directly into the project - Use built-in instruments or import your own SF2, SFZ, DrumKit JSON, and WAV sample content - Capture supported system or USB MIDI with sustain, aftertouch, and controller data MIX AND MASTER: - Control faders, pan, mute, solo, inserts, Reverb and Delay sends, buses, meters, and a true-peak master limiter - Automate volume, pan, sends, and effect parameters with sample-accurate live and offline rendering - Measure loudness and true peak, compare A/B previews, and review explainable Mix or Mastering Assist changes before Apply SONGWRITING ASSISTS: - Turn monophonic humming into editable MIDI and create local Song Starter, Chord Progression, and Rhythm proposals - Draft lyrics through an optional configured provider without giving it direct project-write access - Preview, partially apply, discard, undo, or redo every proposal through the Review Inbox - Import aligned stems from existing files and preserve clear Derived lineage EXPORT AND PROJECT PORTABILITY: - Export verified master WAV, MP3, or M4A, aligned track and bus stems, MIDI, and seamless BGM loops - Save compact projects or portable .qtrack archives with embedded media and independently checked manifests - Work with device files and explicitly connected folders while scoped permissions and revocation remain visible - Keep Original, Project, Derived, and Export media separate with stable identity and lineage ACCESSIBLE, RESPONSIVE WORKFLOW: - Move between Library, Arrange, Edit, Mix, and AI surfaces on phone, tablet, or desktop - Use clear empty, progress, cancel, retry, unavailable, permission, and recovery states - Navigate with touch, keyboard shortcuts, screen readers, large text, light or dark appearance, and reduced motion QuickTrack Pro: - Removes the mobile Library banner after the 7-day trial - Hides desktop reminders - Supports continued QuickTrack development - Recording, editing, instruments, effects, assists, and export remain available without Pro Terms of Use: https://kakitiro.com/quickapps/quicktrack/terms/
Screenshots
Verdict
The clearest difference is price: QuickTrack at Free against LogSynth's $9.99. QuickTrack also leads on device support (4 vs 2) and iOS requirement (14.0 vs 18.0). LogSynth's advantage is in-app purchases (none vs 2) and ads (none vs shown).
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
QuickTrack is free to download; LogSynth costs $9.99 up front. QuickTrack sells 2 in-app purchases, starting at $2.99 per year. LogSynth asks for nothing beyond the download.
| Parameter | LogSynth | QuickTrack |
|---|---|---|
| Price | $9.99 | Free โ better |
| Update frequency | Every 2 weeks | โ |
| Ads | No โ better | Yes |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac โ better |
| Requires iOS | 18.0 | 14.0 โ better |
| Further details โ not scored | ||
| Size | 22 MB | 97 MB |
| Age rating | 4+ | 4+ |
| Developer | SEAN IAN HALENWOOD | KAZUHIRO KAKIMOTO |
In-app purchases
LogSynth
No in-app purchases
QuickTrack
- QuickTrack Pro Yearly$2.991 Year
- QuickTrack Pro Lifetime$9.99









