Comparison

Sinusoid vs VAPolyWest

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

Head to head
About

Sinusoid

Create music with a retro 8-bit inspired sound machine. Features 4 channels for tones and drums, with extensive sound sculpting options like filters, modulation, and effects. Export your creations and integrate with other music apps.

Highlights
  • 4 sound channels (3 tones, 1 drum/noise)
  • Extensive audio parameters (envelope, vibrato, glide, filter)
  • Ring modulation and FM synthesis
  • Arpeggiator, delay, and bit crusher effects
  • MIDI input and output support
  • Audiobus, IAA, and AUv3 integration
  • AIFF export and in-app music player
Features
Read full description

Sinusoid is a tracker/sequencer sound machine inspired by retro 8 bit game consoles. It has 4 sound channels where 3 play tones and 1 plays drums and noise. It has audio parameters like pan, amplitude envelope, vibrato, pitch glide, a resonant filter and second oscillator for ring modulation and fm. Further sculpt the sound with an arpeggiator, delay and bit crusher. Export songs to AIFF and listen to them in the in app music player or share them with other apps. MIDI can be used to control parameters, play and input notes. MIDI out makes it possible to play other synths with sinusoid using Core MIDI, Bluetooth, IAA MIDI or AUv3 MIDI. Connect to other sound apps using Audiobus, Inter App Audio or AUv3. +++ 3 tone channels: sinusoid, square, triangle, saw, pulse (75%, 50%, 25% or 12.5%) +++ 1 drum/noise channel +++ Stereo pan +++ Amplitude envelope (attack, length and release) +++ 2nd oscillator for fm and ring modulation +++ Vibrato +++ Pitch glide +++ Resonant filter +++ Arpeggio/stutter +++ Tape delay +++ Bit/samplerate crush +++ Per note ability to override all channel audio parameters +++ Copy/paste between devices on the same network +++ Save and share projects using “open with” and files app drag’n drop +++ Export to songs to AIFF +++ Core MIDI, Bluetooth, IAA MIDI, AUv3 MIDI +++ Audiobus, IAA and AUv3

About

VAPolyWest

This app is a polyphonic synthesizer inspired by 1960s California west coast synthesis. It features wave folding, lowpass gates, and step sequencers for generative music creation. It functions as a standalone app or an AudioUnit Extension across iPhone, iPad, and Mac.

Highlights
  • Virtual analog west coast style polyphonic synthesizer
  • Wave folder and lowpass gate
  • Step sequencer and envelope generators
  • Up to 8 voice polyphony
  • Audio Unit Extension (AUv3) support
  • MIDI 2.0 support
  • Audio export options
Features
Currently charting
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VAPolyWest is inspired by synthesizers developed in California in the 1960’s. VAPolyWest features wave folder and lowpass gate, which are key components of the west coast synthesis. VAPolyWest also features 5 step sequencer and envelope generators which are designed to create generative music. VAPolyWest works on iPhone, iPad and Mac. It operates as a stand alone or as an AudioUnit Extension (AUv3). Stand Alone supports Ableton Link, MIDI and audio file export. - Main Features - Virtual analog west coast style polyphonic synthesizer. Maximum 8 voice polyphony. it depends on performance of the device it is running. Wave folder and lowpass gate for West Coast Synthesis. Step sequencer and envelopes designed for generative music. Support MIDI 2.0 Built-in Sequencer. 16 bar patterns per clip. Total 8 clips. Piano Roll and Parameter automation. Support Audio Unit Extension (AUv3) Works on iPhone, iPad and Mac. Support iCloud Drive to share project files between the platforms. Audio Export. Linear PCM format (AIFF, WAV and CAF) and compressed format (AAC) Support Ableton Link, Bluetooth MIDI, MIDI In / Out. - System Requirements - A13 Fusion or above is 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.

Screenshots

Sinusoid4 screens
VAPolyWest4 screens

Verdict

The call

The clearest difference is price: Sinusoid at $4.99 against VAPolyWest's $14.99. Sinusoid also leads on update cadence (every 3 months vs every 10 months) and iOS requirement (9.0 vs 16.6). VAPolyWest's advantage is chart position (#191 vs unranked). On rating, review sentiment, ratings volume and ads 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

Sinusoid costs $4.99 and VAPolyWest $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 — 4.9 for Sinusoid against 5.0 for VAPolyWest. Both are backed by a comparable volume of ratings — 13 and 5 respectively. Written reviews are what separate them: 69% of Sinusoid's written reviews are positive against 75% of VAPolyWest's.

UpkeepUpdate frequency

Sinusoid ships an update every 3 months, VAPolyWest every 10 months. The most recent releases landed on September 25, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 7 level
Sinusoid versus VAPolyWest: the parameters behind the verdict, then further details
ParameterSinusoidVAPolyWest
Price$4.99 — better$14.99
Rating4.9 (13 ratings)5.0 (5 ratings) — better
Positive reviews68.8% of reviews75.0% of reviews — better
Number of ratings13 — better5
Update frequencyEvery 3 months — betterEvery 10 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank—#191 — better
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS9.0 — better16.6
Further details — not scored
Size7 MB15 MB
Age rating4+4+
DeveloperErik SigthRyo Togawa

Customer experience

Sinusoid

All ratings13 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews32 reviews
Positive68.8%
Neutral18.8%
Negative12.5%

VAPolyWest

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

Sinusoid

No in-app purchases

None

VAPolyWest

No in-app purchases

Questions

Is Sinusoid free?
Sinusoid costs $4.99, with no in-app purchases.
Is VAPolyWest free?
VAPolyWest costs $14.99, with no in-app purchases.
Which has better reviews, Sinusoid or VAPolyWest?
VAPolyWest is rated higher. Sinusoid averages 4.9 out of 5 from 13 ratings, while VAPolyWest averages 5.0 from 5 ratings.
Do Sinusoid or VAPolyWest have ads?
Neither Sinusoid nor VAPolyWest shows ads.
Which is updated more often, Sinusoid or VAPolyWest?
Sinusoid ships an update every 3 months, and VAPolyWest every 10 months. Most recently, Sinusoid was updated on September 25, 2026 and VAPolyWest on September 20, 2026.

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