Comparison

Uber Synth vs VAPolyQuad

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

Head to head
About

Uber Synth

This app offers a polyphonic multi-timbral FM synthesizer for iOS devices. It features a triple-oscillator sound engine with five distinct multi-timbral options for creating evolving and complex soundscapes. Supports Audiobus for integration with other music apps.

Highlights
  • Polyphonic multi-timbral FM synthesizer
  • Triple-oscillator cross-modulated FM engine
  • Five multi-timbral options
  • Sound map and sound palettes
  • Evolving sound generation
  • Audiobus support
Features
Read full description

Uber Synth is a polyphonic multi-timbral frequency modulated (FM) synthesizer that runs on any iOS device. The underlying sound engine is based on the triple-oscillator cross-modulated FM synthesizer first introduced in our xMod app. Uber Synth provides five multi-timbral options: 1) Mix the sounds of any two sound patches, 2) combine patches using the sound map, 3) Generate specified as well as randomized sound palettes across the keyboard, 4) Specify a region in sound space centered on a sound and move a point by a variable randomized amount within the region each time you play a note to create an evolving mix of the center sound and the sound nearest the point. 5) Do the same as above moving the point automatically at a specified rate. Supports Audiobus.

About

VAPolyQuad

Create rich, analog-style music with this powerful polyphonic synthesizer. Explore a vast array of sound-shaping tools, including multiple oscillators, filters, and effects. Program intricate melodies and rhythms with the built-in sequencer, and seamlessly share projects across your Apple devices.

Highlights
  • Virtual analog polyphonic synthesizer
  • Up to 8 voice polyphony
  • Four oscillators per voice
  • Multiple resonant filters
  • Built-in effects suite
  • 16-bar sequencer with piano roll
  • Audio Unit Extension (AUv3) support
Features
Read full description

VAPolyQuad is a virtual analog polyphonic synthesizer for iPhone, iPad and Mac. It features 8 voice synthesizer, effects, sequencer and audio visualization tools. It operates as a stand alone or as an AudioUnit Extension (AUv3). Stand Alone supports Ableton Link, MIDI and audio file export. Single voice of the synthesizer features four oscillators, two mixers, two resonant high pass filters, two resonant low pass filters, two amplifiers, four ADSR envelopes and four LFOs. The oscillators features continuously variable wave shape and wide variety of modulation. The filters are modeled on the Sallen-Key filter circuit and cascaded OTA filter circuit for classic analog sound. The Effects include delay, chorus, flanger, reverb, eq and compressor. The sequencer features piano roll and parameter automation editor to program 16 bar pattern per clip. Project files can be saved in iCloud Drive, so that the project can be accessed from iPhone, iPad or Mac. - Main Features - Virtual analog polyphonic synthesizer. Maximum 8 voice polyphony. it depends on performance of the device it is running. Four oscillators per voice. Flexible audio signal and control signal routing. Keyboard Control Routing Two type of Lowpass filter, cascaded OTA model and Sallen-key model. Support MIDI 2.0 New User Interface built by SwiftUI for improved performance. 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. 370 Factory Presets - 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

Uber Synth4 screens
VAPolyQuad4 screens

Verdict

The call

The clearest difference is review sentiment: Uber Synth at 50% against VAPolyQuad's 0%. Uber Synth also leads on price ($3.99 vs $14.99) and update cadence (every 3 months vs every 22 months). VAPolyQuad's advantage is rating (4.0 vs 2.0) and ratings volume (5 vs 1). On ads, in-app purchases, monetization model 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

Uber Synth costs $3.99 and VAPolyQuad $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

VAPolyQuad holds the better App Store score, 4.0 against 2.0. That said, the two scores are not equally well evidenced: VAPolyQuad has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 50% of Uber Synth's written reviews are positive against 0% of VAPolyQuad's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Uber Synth ships an update every 3 months, VAPolyQuad every 22 months. The most recent releases landed on September 29, 2026 and September 25, 2026 respectively.

Scorecard6 real differences · 4 level
Uber Synth versus VAPolyQuad: the parameters behind the verdict, then further details
ParameterUber SynthVAPolyQuad
Price$3.99 — better$14.99
Rating2.0 (1 ratings)4.0 (5 ratings) — better
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings15 — better
Update frequencyEvery 3 months — betterEvery 22 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS14.0 — better16.6
Further details — not scored
Size7 MB16 MB
Age rating4+4+
DeveloperMark CarlottoRyo Togawa

Customer experience

Uber Synth

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews8 reviews
Positive50.0%
Neutral12.5%
Negative37.5%

VAPolyQuad

All ratings5 ratings
Positive60.0%
Neutral20.0%
Negative20.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Uber Synth

No in-app purchases

None

VAPolyQuad

No in-app purchases

Questions

Is Uber Synth free?
Uber Synth costs $3.99, with no in-app purchases.
Is VAPolyQuad free?
VAPolyQuad costs $14.99, with no in-app purchases.
Which has better reviews, Uber Synth or VAPolyQuad?
VAPolyQuad is rated higher. Uber Synth averages 2.0 out of 5 from 1 ratings, while VAPolyQuad averages 4.0 from 5 ratings.
Do Uber Synth or VAPolyQuad have ads?
Neither Uber Synth nor VAPolyQuad shows ads.
Which is updated more often, Uber Synth or VAPolyQuad?
Uber Synth ships an update every 3 months, and VAPolyQuad every 22 months. Most recently, Uber Synth was updated on September 29, 2026 and VAPolyQuad on September 25, 2026.

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