Comparison

Piano Chords Compass vs VAPolyMk3

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

Head to head
About

Piano Chords Compass

Instantly discover and master over 2,500 piano chords with real-time previews and authentic grand piano sounds. Save chords as sheet music or diagrams, supporting 56 chord types and inversions for musicians of all levels.

Highlights
  • Discover 2,500+ piano chords
  • Real-time chord previews
  • Authentic grand piano sound
  • Save chords as sheet music or diagrams
  • Supports 56 chord types and inversions
  • Treble and Bass Clef support
Features
Read full description

Stuck hunting for that perfect chord? Stop wasting time! Compose smarter, play better, and create faster with Piano Chords Compass! Whether you're a beginner or a pro, this app is your ultimate toolkit to discover and master over 2,500 piano chords — instantly and effortlessly! Why Musicians Love this App: + Find any chord fast by simply selecting the root, chord type, and additions to explore a wide range of chords with real-time previews + Every chord plays in authentic grand piano sound so you know exactly how it should feel and sound + Save your chords as either sheet music or keyboard diagrams — perfect for lessons, songwriting, and jam sessions + Supports chord inversions & 56 chord types, master even the most complex harmonies with ease Made for Musicians of All Levels: From beginners learning chord shapes to advanced players building rich compositions, Piano Chords Compass adapts to your style and skill level. Key Features: + Treble and Bass Clef support + 56 chord types with optional add-ons + Works with piano, synth, organ and more + Easy-to-use interface with volume control Pay once: NO ads and no subscriptions! Just pure, uninterrupted chords creation! Get instant access to 2,500+ chords and start creating better music now!

About

VAPolyMk3

This polyphonic synthesizer offers multi-synthesis capabilities inspired by classic analog synths. Explore subtractive and modular FM synthesis with extensive oscillator routing, built-in effects, and an analog-style sequencer. Save projects via iCloud for seamless cross-platform use.

Highlights
  • Multi-synthesis (Subtractive & FM)
  • 3 Oscillators + 3 Modulation Oscillators
  • Resonant Low/High Pass Filters
  • Analog Style CV Sequencer
  • Built-in Effects (Delay, Chorus, Reverb, etc.)
  • Audio Unit Extension (AUv3) Support
  • iCloud Project Sync
Features
Read full description

VAPolyMk3 is a multi synthesis polyphonic synthesizer for iPhone, iPad and Mac. Inspired by the last generation of classic analog synthesizers in the late 1980’s such as Oberheim Matrix series synthesizers, It offers Subtractive Synthesis and modular FM Synthesis. It operates as a stand alone or as an AudioUnit Extension (AUv3). Stand Alone supports Ableton Link, MIDI and audio file export. Oscillator Section features 3 Oscillators and 3 Modulation Oscillators. Each Oscillator has envelope and amplifier. Oscillators can be routed for Subtractive Synthesis and FM Synthesis. Signal from Oscillators are routed to mixer, resonant low pass filter, resonant hight pass filter and amplifier. The synthesizer also features two ADSR envelopes per voice, two LFO and analog style sequencer. Built-in Effects include delay, chorus, flanger, reverb, eq and compressor. VAPolyMk3 also includes sequencer which features piano roll editor and parameter automation. Project files can be saved in iCloud Drive, so that the project can be accessed from iPhone, iPad or Mac. Main Features 3 oscillators and 3 modulation oscillators can be routed for Subtractive Synthesis and FM Synthesis. Analog Style CV Sequencer. Maximum 8 voice polyphony. it depends on performance of the device it is running. Built-in effects and sequencer. Support MIDI 2.0. Support Foot Pedal (CC#11, CC#64) and Per Note Control. 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. Option to turn off anti-aliasing for devices with less CPU power. Include 271 Factory Presets. System Requirements iOS 17.0 or later This app requires a lot of CPU power. Devices with Apple Silicon or equivalent A series chip are recommended. A13 Fusion or above is highly recommended. If sound is distorted when using a device with less CPU power, turn Anti-Aliasing-Option off or 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

Piano Chords Compass4 screens
VAPolyMk34 screens

Verdict

The call

The clearest difference is rating: VAPolyMk3 at 4.5 against Piano Chords Compass's 2.3. Piano Chords Compass's advantage is price ($5.99 vs $14.99) and review sentiment (78% vs 50%). 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

Piano Chords Compass costs $5.99 and VAPolyMk3 $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

VAPolyMk3 holds the better App Store score, 4.5 against 2.3. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews complicate that: 78% of Piano Chords Compass's written reviews are positive against 50% of VAPolyMk3's, so the app with the better star average is not the one people write more warmly about.

Scorecard3 real differences · 7 level
Piano Chords Compass versus VAPolyMk3: the parameters behind the verdict, then further details
ParameterPiano Chords CompassVAPolyMk3
Price$5.99 — better$14.99
Rating2.3 (3 ratings)4.5 (6 ratings) — better
Positive reviews77.8% of reviews — better50.0% of reviews
Number of ratings36 — better
Update frequency—Every 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, Mac
Requires iOS15.0 — better16.6
Further details — not scored
Size25 MB17 MB
Age rating4+4+
DeveloperMax SchleeRyo Togawa

Customer experience

Piano Chords Compass

All ratings3 ratings
Positive0.0%
Neutral66.7%
Negative33.3%
Written reviews9 reviews
Positive77.8%
Neutral22.2%
Negative0.0%

VAPolyMk3

All ratings6 ratings
Positive83.3%
Neutral16.7%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

In-app purchases

None

Piano Chords Compass

No in-app purchases

None

VAPolyMk3

No in-app purchases

Questions

Is Piano Chords Compass free?
Piano Chords Compass costs $5.99, with no in-app purchases.
Is VAPolyMk3 free?
VAPolyMk3 costs $14.99, with no in-app purchases.
Which has better reviews, Piano Chords Compass or VAPolyMk3?
VAPolyMk3 is rated higher. Piano Chords Compass averages 2.3 out of 5 from 3 ratings, while VAPolyMk3 averages 4.5 from 6 ratings.
Do Piano Chords Compass or VAPolyMk3 have ads?
Neither Piano Chords Compass nor VAPolyMk3 shows ads.

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