Apps by Core Engine Apps
Core Synth HD app icon

Music

Core Synth HD

Core Engine Apps

Free download 3.40 · 1 storefront · 5 ratings In-app purchases
Open on Apple

About this app

Top free iPad music app in 5 countries, top 10 in more than 50! Get your groove on with Core Synth HD, the definitive monophonic synthesizer for the iPad. With tons of features packed into a small package, Core Synth is great for live performing. A Pitch Wheel replicates perfectly the real thing! This free app has the following features: - Pitch Wheel - 2 Octave keyboard - Keys light up in different colors when pressed Oscillator Module - Dual overlapping oscillators - Four wave patterns: Square, Triangle, Sawtooth and Reverse Sawtooth * Select from 5 octaves * Adjust glide between notes * Fine tune Oscillator 2 with option to sync with Oscillator 1 Volume Envelope Shaper - Edit ADSR (Attack, Decay, Sustain, Release) Low Pass Filter Module - Adjust Cutoff and Resonance - Edit ADSR (Attack, Decay, Sustain, Release) Upgrade to the full version within the app for the following additional features: - 7 Octave Keyboard - Octave control to move along entire range - Modulation Wheel Patches Module - Save an unlimited number of individually named patches - Browse through your collection before applying patch - Delete unwanted patches Modulation Module - Four wave patterns: Square, Triangle, Sawtooth and Reverse Sawtooth - Modulate Filter, Pitch or Wave - Adjust LFO Rate and amount Arpeggiator Module - Arpeggio moves up to 5 octaves - Four step modes: Up, Down, Up/Down, Random - Adjust rate Many more exciting enhancements to follow! Core Synth HD includes open source code from MobileSynth developed by Allen Porter.

Latest release

What’s New

Version 1.5.1 Apr 2, 2017

This update from Apple will improve the functionality of this app. No new features are included. Bug fixes

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
5 ratings
5 Aug 19, 2026 · 5 ratings Aug 19, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 19, 2026 · Free Aug 19, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 19, 2026 · 6:30 AM Free

Screenshots

Core Synth HD iPad screenshotCore Synth HD iPad screenshotCore Synth HD iPad screenshot