Comparison

spaceVerb vs VAPolyMkII

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

Head to head
About

spaceVerb

This audio effect module offers a versatile stereo reverb with 14 distinct spaces, from conventional rooms and halls to unique environments like caves and mausoleums. It provides in-depth controls for shaping the reverb, including EQ and master settings, and supports cross-platform preset sharing. It functions as a standalone app or an AUv3 plugin for various host applications.

Highlights
  • 14 distinct reverb spaces
  • In-depth sound sculpting controls
  • 3-band EQ section
  • Preset manager with save/share
  • AUv3 plugin compatibility
  • Standalone app functionality
Features
Read full description

spaceVerb multi-mode stereo reverb module. spaceVerb will both seamlessly blend your projects together, offering a creative unique touch to your audio. spaceVerb offers a versatile selection of 14 different spaces, each with their own unique sonic characteristic, providing you with a broad spectrum of sounds to enhance your projects. Whether you’re after conventional reverb sounds like rooms and halls or unique spaces like a cave or mausoleum. Unlock the full sonic potential of each space with in-depth controls; Mix, Dampening, Ducking, Left/Right Repeats and Decay. Their three band EQ Section (Low, Mid, and High), and master controls (Master Volume & Pan). 30 Factory Presets included with the ability to save and share cross platform presets. All parameters including the current screen in view offer automation for full control in your sessions. Includes stand alone and AUv3 plug-in instance for use in all of your favorite host applications like Cubasis, AUM, Garageband, and many more! Compatible for both iPhone and iPad. Features - 14 Plate Reverb Models; ranging from early/vintage styles to creatively inspiring and modern/futuristic - Over 16 In-depth controls to sculpt your reverbs, including: Pre Delay, Decay, Damping, Repeat Speed, Ducking, and more! - Built-in 3-band EQ section for additional sonic character control - Preset Manager with Save, Save As, Rename, and Delete functionality - Over 20 Factory presets, including both Send and Insert styles - Cross-platform support: presets can be shared between iOS and macOS & Windows - AUv3 compatible with your favorite AU Host apps such as Garageband, AUM, Cubasis, and more! Spaces: Booth - Step into a professional-grade, intimate studio ambiance, meticulously designed for enhancing vocal clarity or introducing a subtle sense of space to your sound. Guitar Room - Immerse yourself in a professionally crafted, close-quarters atmosphere, tailored to improve vocal clarity or infuse a subtle sense of space into your sound. Drum Room - Experience the precision of a compact, intimate studio setting, perfect for refining vocal clarity or introducing a subtle sense of space into your sound. Live Room - Drench your audio in the expansive atmosphere of a well-appointed studio space, tailored for accommodating intricate soundscapes and elevating your compositions. Hall - Reveal an acoustically perfected space, ideal for professional piano performances and sound experimentation. Cathedral - Craft divine soundscapes suited for professional choral arrangements and ethereal compositions in a studio setting. Mausoleum - A solemn and spacious mausoleum. Its marble-clad surroundings create a subtle, haunting ambiance. Stairwell - Discover a less conventional space, where a multitude of reflections comes together to create a unique ambiance, gently guiding your sound to fresh and understated places. Cave - Immerse your signal in the enigmatic, atmospheric character of a massive cave-like space, adding a unique depth to your projects. Garage - Send our audio to a close-quarters space with highly reflective surfaces, offering a very distinct sound.

About

VAPolyMkII

This virtual analog synthesizer offers a 16-voice bitimbral polyphonic sound engine with two distinct filter models and extensive modulation options. It includes a built-in sequencer, various effects, and supports AudioUnit Extension for integration with DAWs. Projects can be synced across iPhone, iPad, and Mac via iCloud.

Highlights
  • 16-voice bitimbral polyphonic synthesizer
  • Two analog-modeled filter types
  • Extensive modulation capabilities
  • Built-in piano roll sequencer
  • Multiple audio effects
  • AudioUnit Extension (AUv3) support
  • iCloud Drive project syncing
Features
Read full description

VAPolyMkII is a virtual analog bitimbral polyphonic synthesizer for iPhone, iPad and Mac. It features 16 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. The synthesizer consists of two 8 voice synthesizer, which features two oscillators, two ADSR envelopes, resonant high pass and low pass filter and an amplifier per voice. 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 16 voice bitimbral polyphonic synthesizer Two type of Lowpass filter, cascaded OTA model and Sallen-key model. Patch points for modulation. 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. - 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.

Screenshots

spaceVerb4 screens
VAPolyMkII4 screens

Verdict

The call

The clearest difference is price: spaceVerb at $4.99 against VAPolyMkII's $14.99. spaceVerb also leads on rating (5.0 vs 4.5) and iOS requirement (12.0 vs 16.6). VAPolyMkII's advantage is update cadence (weekly vs every 8 months). On ratings volume, ads, in-app purchases and monetization model 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

spaceVerb costs $4.99 and VAPolyMkII $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

spaceVerb holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 11 respectively.

UpkeepUpdate frequency

spaceVerb ships an update every 8 months, VAPolyMkII weekly. The most recent releases landed on September 7, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
spaceVerb versus VAPolyMkII: the parameters behind the verdict, then further details
ParameterspaceVerbVAPolyMkII
Price$4.99 — better$14.99
Rating5.0 (4 ratings) — better4.5 (11 ratings)
Positive reviews—66.7% of reviews
Number of ratings411 — better
Update frequencyEvery 8 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS12.0 — better16.6
Further details — not scored
Size74 MB16 MB
Age rating4+4+
DeveloperOSC AudioRyo Togawa

Customer experience

spaceVerb

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

VAPolyMkII

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

spaceVerb

No in-app purchases

None

VAPolyMkII

No in-app purchases

Questions

Is spaceVerb free?
spaceVerb costs $4.99, with no in-app purchases.
Is VAPolyMkII free?
VAPolyMkII costs $14.99, with no in-app purchases.
Which has better reviews, spaceVerb or VAPolyMkII?
spaceVerb is rated higher. spaceVerb averages 5.0 out of 5 from 4 ratings, while VAPolyMkII averages 4.5 from 11 ratings.
Do spaceVerb or VAPolyMkII have ads?
Neither spaceVerb nor VAPolyMkII shows ads.
Which is updated more often, spaceVerb or VAPolyMkII?
spaceVerb ships an update every 8 months, and VAPolyMkII weekly. Most recently, spaceVerb was updated on September 7, 2026 and VAPolyMkII on September 20, 2026.

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