AaronSynth

Turn light into moving scan lines. Shape live camera input, photos, and looping video with touch controls, modulation, phosphor glow, and feedback.

Play light as geometry.

AaronSynth is a tactile video instrument for iPhone. Turn a live camera, a selected photo, a looping video, or the built-in oscillator into luminous scan lines. Shape the image with signed sweeps, modulation, phosphor response, and optical feedback.

PLAY YOUR WAY Use Touch to drag, pinch, and turn the scan directly. A one-time Pro Mode purchase adds the Simple dial banks, complete Advanced control desk, Audio routing, and photo/video source imports. Live cameras and the internal oscillator remain available without an unlock. The purchase screen shows your local App Store price. Assign dials to the monitor's X/Y surface and save your settings as personal patch memories. Six factory patches give you places to begin.

BUILD MOVING IMAGES Route two waveform generators, a ramp, and microphone modulation into the scan. Adjust line density, intensity, beam glow, phosphor afterimage, independent Signal Noise and CRT Noise, colorization, and regeneration. Work in portrait, landscape, or the expanded performance view.

KEEP A PERFORMANCE Record processed video at 60 fps with optional microphone audio, or capture a still frame. Choose Original 1280 × 960 H.264, 1080p H.264, or 4K UHD HEVC output. Movies save to Photos when access is allowed, and a local copy remains in Films for playback, sharing, and retrying a save.

HD and 4K use native output canvases for the beam, phosphor, and rescan camera. The physical raster still has up to 480 scan lines, and rendering cannot recover missing source detail. Higher resolutions use more power, memory, and storage. Imported video loops silently; its soundtrack is not included in recordings.

ON YOUR DEVICE No AaronSynth account, advertising, tracking, or analytics. Apple handles the optional Pro Mode unlock through the App Store. Your media and patches are processed locally. Camera, microphone, and Photos permissions are requested when you use the relevant features. The internal oscillator works without them.

Requires iOS 18.2 or later.