Core Synth Free vs Polywave
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Core Synth Free
Create music with a monophonic synthesizer featuring dual oscillators, adjustable filters, and envelope shaping. Explore various wave patterns and octaves to craft unique sounds for live performance or composition.
- Dual overlapping oscillators
- Four wave patterns
- Adjustable low pass filter
- ADSR envelope shaping
- 1 octave keyboard
- Save and load patches
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Get your groove on with Core Synth Free, the definitive monophonic synthesizer for the iPhone and iPod touch. With tons of features packed into a small package, Core Synth is great for live performing. This free app has the following features: - 1 Octave keyboard - Keys light up in different colors when pressed Oscillator Module - Dual overlapping oscillators - Four wave patterns: Square, Triangle, Sawtooth and Reverse Sawtooth * Select from 5 octaves * Adjust glide between notes * Fine tune Oscillator 2 with option to sync with Oscillator 1 Volume Envelope Shaper - Edit ADSR (Attack, Decay, Sustain, Release) Low Pass Filter Module - Adjust Cutoff and Resonance - Edit ADSR (Attack, Decay, Sustain, Release) Upgrade to the full version within the app for the following additional features: - 7 Octave Keyboard - Octave control to move along entire range Patches Module - Save an unlimited number of individually named patches - Browse through your collection before applying patch - Delete unwanted patches - Backup patches via iTunes File Sharing Modulation Module - Four wave patterns: Square, Triangle, Sawtooth and Reverse Sawtooth - Modulate Filter, Pitch or Wave - Adjust LFO Rate and amount Arpeggiator Module - Arpeggio moves up to 5 octaves - Four step modes: Up, Down, Up/Down, Random - Adjust rate Many more exciting enhancements to follow! Core Synth Free includes open source code from MobileSynth developed by Allen Porter.
Polywave
Create unique, evolving sonic experiences with a novel wavetable sequencer inspired by vintage synths. Draw your own waveforms, explore a vast library, and connect to external keyboards or DAWs. Record your creations directly within the app.
- Wavetable sequencer
- Custom waveform drawing
- Expansive waveform library
- 100+ factory presets
- MIDI and Audio Unit support
- Live recording module
- 8-voice polyphony
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From Fingerlab (multiple-time winner of Music App of the Week, 2012 Apple Design Award) and Jordan Rudess (keyboardist of Dream Theater), comes Polywave — a revolutionary wavetable sequencer synthesizer for iPhone, iPad & Mac. Inspired by the legendary Korg Wavestation, Polywave lets you draw your own waveforms with your finger and create unique, ever-evolving sounds that are truly yours. Draw your own waveforms directly on screen 100+ factory presets: leads, pads, loops & FX Connect any MIDI keyboard or load as AUv3 in your DAW Live recording built-in Free version includes 12 factory presets and a selection of core features. Get the Full Version IAP to unlock everything. Features: • 8-voice polyphony & 6 octaves • Wavetable & waveform sequencer • VCO & FM Oscillators • FM Modulation & Detune • ADSR Envelope editor • Moog Ladder filter with ADSR • 2 LFOs with custom modulation waveform • LFO Sync & Loop mode • Waveform drawing editor & library (100 waveforms) • Preset Randomizer & export/import • 5 FX: Tube Amp, Vibrato, Chorus, Delay & Reverb • Live recording & export • Full MIDI & MIDI Mapping support • AudioBus & Inter-App Audio (iOS) • Full AudioUnit AUv3 support • iCloud Family Sharing Questions or feedback? We'd love to hear from you: contact@fingerlab.net Stay tuned! The Fingerlab Team
Screenshots
Verdict
The clearest difference is rating: Polywave at 4.7 against Core Synth Free's 2.9. Polywave also leads on update cadence (every 3 months vs every 13 months) and review sentiment (80% vs 64%). Core Synth Free's advantage is iOS requirement (8.0 vs 15.0). On price, ads, 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. Core Synth Free sells 1 one-off in-app purchase and Polywave sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Polywave holds the better App Store score, 4.7 against 2.9. Both are backed by a comparable volume of ratings — 8 and 34 respectively. Written reviews point the same way: 64% of Core Synth Free's written reviews are positive against 80% of Polywave's.
Core Synth Free ships an update every 13 months, Polywave every 3 months. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.
| Parameter | Core Synth Free | Polywave |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (8 ratings) | 4.7 (34 ratings) — better |
| Positive reviews | 63.6% of reviews | 80.0% of reviews — better |
| Number of ratings | 8 | 34 — better |
| Update frequency | Every 13 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 7 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Core Engine Apps | Fingerlab |
Customer experience
Core Synth Free
Polywave
In-app purchases
Core Synth Free
- Full Version Upgrade$0.99
Polywave
- Full Version$11.99
Questions
Is Core Synth Free free?
Is Polywave free?
Which has better reviews, Core Synth Free or Polywave?
Do Core Synth Free or Polywave have ads?
Which is updated more often, Core Synth Free or Polywave?
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