VAPolyLead vs KG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VAPolyLead
This app offers a polyphonic synthesizer with analog-style sequencing, multiple oscillators, and a resonant low-pass and high-pass filter. It includes built-in effects, MIDI support, and can be used standalone or as an AudioUnit Extension across Apple devices.
- Polyphonic synthesizer
- Analog-style step sequencer
- Resonant low-pass and high-pass filters
- Multiple oscillators and LFOs
- Built-in effects (delay, chorus, reverb, etc.)
- AudioUnit Extension (AUv3) support
- MIDI 2.0 and Ableton Link support
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VAPolyLead features 3 channel analog style step sequencer and a VCF modeled on sallen-key filter of iconic monophonic synthesizer in 1970’s. This polyphonic synthesizer consists of three oscillators, resonant low pass filter resonant high pass filter, amplifier, ADSR envelope and five LFOs. VAPolyLead operates as a stand alone or as an AudioUnit Extension (AUv3) for iPhone, iPad and Mac. Stand Alone supports Ableton Link, MIDI and audio file export. Built-in Effects include delay, chorus, flanger, reverb, eq and compressor. Project files can be saved in iCloud Drive, so that the project can be accessed from iPhone, iPad or Mac. Main Features - Polyphonic Synthesizer. - Lowpass filter modeled on -12dB per oct sallen-key filter. - 3 channel analog style step sequencer. - Maximum 8 voice polyphony. it depends on performance of the device it is running. - Built-in effects and piano roll sequencer. - Audio Export. Linear PCM format (AIFF, WAV and CAF) and compressed format (AAC) - Support Audio Unit Extension (AUv3). - Support MIDI 2.0. Support Foot Pedal. - Support Ableton Link, Bluetooth MIDI, MIDI In / Out. - Works on iPhone, iPad and Mac. Support iCloud Drive to share project files between the platforms. - Factory Preset: 128, Effects: 40 Improvements - Support MIDI Foot Pedal (CC#11, CC#64) - MIDI CC Settings are saved. It will be recovered when the app launched in the next time. - UI Color can be selected from black, navy, gray or steel. System Requirements - iOS 17.0 or later - Devices with Apple Silicon are recommended. A13 Fusion or above is highly recommended. - AudioUnit Extension (AUv3) requires host application which support AudioUnit Extension. - AudioUnit Extension is supported by Apple Logic and Apple Garage Band on iOS and macOS. For any other DAW, it depends on the application and some of them don’t support AudioUnit Extension. - Sound may be distorted if CPU of the device doesn't have enough power. If it happens reduce number of voices.
KG
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KKG-SQUARE Pro is a landscape-first virtual analog synthesizer for iPhone. Classic panel layout, cool charcoal chassis, and a sharp cyan accent—built to feel like hardware you can play anywhere. Features 4-oscillator virtual analog engine Filter, filter envelope, amp envelope, and LFO Chorus, delay, and reverb with per-effect on/off and depth Arpeggiator and step sequencer Hold, portamento, and tempo-linked performance modes Full-width playable keyboard with octave shift MIDI input support Built-in voice presets Make bass, leads, pads, and evolving textures—fast—without leaving your phone.
Screenshots
Verdict
The clearest difference is price: KG at $0.49 against VAPolyLead's $14.99. VAPolyLead's advantage is iOS requirement (16.6 vs 26.5). On update cadence, ads, in-app purchases 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
VAPolyLead costs $14.99 and KG $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.
VAPolyLead ships an update every 2 weeks, KG every 11 days. The most recent releases landed on November 5, 2026 and November 7, 2026 respectively.
| Parameter | VAPolyLead | KG |
|---|---|---|
| Price | $14.99 | $0.49 — better |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 2 weeks | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 16.6 — better | 26.5 |
| Further details — not scored | ||
| Size | 17 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryo Togawa | Kouki Yoshimoto |
In-app purchases
VAPolyLead
No in-app purchases
KG
No in-app purchases









