Comparison

ChaosArp 2 vs VAPolyLoop

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

Head to head
About

ChaosArp 2

This music production tool generates complex and dynamic MIDI patterns by modulating pitch, rhythm, velocity, and duration. It offers a versatile arpeggiator and sequencer with chaotic modulation for evolving musical ideas.

Highlights
  • Chaotic MIDI arpeggiator
  • Variable step sequencer
  • Pitch and rhythm modulation
  • Randomizable velocity and duration
  • Pitch/scale quantization
  • XY performance pad
  • MIDI learn and export
Features
Read full description

ChaosArp 2 is a chaotic MIDI arpeggiator/stepper plugin, capable of transforming your musical ideas into intricate, dynamic patterns with a unique twist. Using the same chaotic tricks as LoAdKer, ChaosArp 2 can modulate parameters such as pitch, rhythm, velocity, and duration, thus creating evolving, complex but high musical patterns that breathe new life into your music. Elevate your music production today with ChaosArp 2! Features - Fully-featured MIDI arpeggiator with variable rate, multiple arpeggio patterns including chords, latch, and a span of up to 4 octaves - A variable 1 to 16-step sequencer with forward/backward/ping-pong play modes, pattern presets and more - Chaotic pitch and rhythm modulators - Advanced editing of the rhythm modulator slots so you can create your own chaotic patterns - Randomizable velocity and duration - Pitch/scale quantization so that you will never play the wrong note again - XY performance pad for real-time expressive control - MIDI learn - MIDI record and export

About

VAPolyLoop

Create complex music with a polyphonic synthesizer and analog-style step sequencer. Features multiple oscillators, a resonant low-pass filter, distortion, and various built-in effects. Export audio in multiple formats and sync with other devices via Ableton Link.

Highlights
  • Polyphonic synthesizer with 3 oscillators
  • Analog-style step sequencer
  • Resonant low-pass filter
  • Distortion and other built-in effects (delay, reverb, EQ)
  • Audio Unit Extension (AUv3) support
  • Ableton Link and MIDI 2.0 support
  • Audio export in AIFF, WAV, CAF, and AAC
Features
Read full description

VAPolyLoop features lowpass filter and amplifier which are optimized for playing by step sequencer. VAPolyLoop contains polyphonic synthesizer and analog style step sequencer. The synthesizer consists of three oscillators, resonant low pass filter, amplifier, distortion effect and five LFO. VAPolyLoop 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 diode ladder filter. Distortion Effects 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 and Per Note Control. Support Ableton Link, Bluetooth MIDI, MIDI In / Out. Works on iPhone, iPad and Mac. Support iCloud Drive to share project files between the platforms. Full Factory Preset: 96, Effect: 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 or gray. System Requirements iOS 17.0 or later Devices with Apple Silicon are recommended. A13 Fusion or above is highly recommended. if sound is distorted when using a device with less CPU power, reduce number of voices. 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.

Screenshots

ChaosArp 24 screens
VAPolyLoop4 screens

Verdict

The call

The clearest difference is price: ChaosArp 2 at $5.99 against VAPolyLoop's $14.99. ChaosArp 2 also leads on update cadence (every 11 days vs monthly) and iOS requirement (12.0 vs 16.6). On rating, ratings volume, ads and in-app purchases 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

ChaosArp 2 costs $5.99 and VAPolyLoop $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for ChaosArp 2 against 5.0 for VAPolyLoop. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

UpkeepUpdate frequency

ChaosArp 2 ships an update every 11 days, VAPolyLoop monthly. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
ChaosArp 2 versus VAPolyLoop: the parameters behind the verdict, then further details
ParameterChaosArp 2VAPolyLoop
Price$5.99 — better$14.99
Rating5.0 (3 ratings)5.0 (3 ratings)
Positive reviews66.7% of reviews—
Number of ratings33
Update frequencyEvery 11 days — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS12.0 — better16.6
Further details — not scored
Size12 MB16 MB
Age rating4+4+
DeveloperAxart Labs OURyo Togawa

Customer experience

ChaosArp 2

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

VAPolyLoop

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ChaosArp 2

No in-app purchases

None

VAPolyLoop

No in-app purchases

Questions

Is ChaosArp 2 free?
ChaosArp 2 costs $5.99, with no in-app purchases.
Is VAPolyLoop free?
VAPolyLoop costs $14.99, with no in-app purchases.
Which has better reviews, ChaosArp 2 or VAPolyLoop?
ChaosArp 2 and VAPolyLoop are both rated 5.0 out of 5 on the App Store, from 3 and 3 ratings respectively.
Do ChaosArp 2 or VAPolyLoop have ads?
Neither ChaosArp 2 nor VAPolyLoop shows ads.
Which is updated more often, ChaosArp 2 or VAPolyLoop?
ChaosArp 2 ships an update every 11 days, and VAPolyLoop monthly. Most recently, ChaosArp 2 was updated on September 20, 2026 and VAPolyLoop on September 22, 2026.

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