Comparison

VAPolyLead vs KG

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

KG

Features
Read full description

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

VAPolyLead4 screens
KG1 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

VAPolyLead costs $14.99 and KG $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 6 level
VAPolyLead versus KG: the parameters behind the verdict, then further details
ParameterVAPolyLeadKG
Price$14.99$0.49 — better
Positive reviews100.0% of reviews—
Update frequencyEvery 2 weeksEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS16.6 — better26.5
Further details — not scored
Size17 MB30 MB
Age rating4+4+
DeveloperRyo TogawaKouki Yoshimoto

In-app purchases

None

VAPolyLead

No in-app purchases

None

KG

No in-app purchases

Questions

Is VAPolyLead free?
VAPolyLead costs $14.99, with no in-app purchases.
Is KG free?
KG costs $0.49, with no in-app purchases.
Do VAPolyLead or KG have ads?
Neither VAPolyLead nor KG shows ads.
Which is updated more often, VAPolyLead or KG?
VAPolyLead ships an update every 2 weeks, and KG every 11 days. Most recently, VAPolyLead was updated on November 5, 2026 and KG on November 7, 2026.

Other comparisons