We let users record their own shutter sound. Here's what that opened up.

#ios #swift #camera #indie

The shutter sound no one questions

Your phone has made the same click since you unboxed it. Nobody asks why. It's just there — the sound that says a photo happened.

We started wondering what would change if that sound were yours to define.

What Voicame does

Voicame (ボイカメ) is a camera app that lets you record any audio and use it as the shutter. A child's name. A word you like. A short phrase. When you tap the shutter button — or use the hardware camera button on supported iPhones — that recorded sound plays instead of the default click.

The idea came from a specific frustration: trying to photograph young children who flinch at unfamiliar sounds, or who don't look up unless their name is called. If the shutter trigger plays their own name, they turn toward it.

Alongside the voice shutter, six symmetry modes preview live as you frame: horizontal, vertical, diagonal, quad, kaleidoscope, and swirl. They work for photos and for video recording. Recorded sounds can export via AirDrop.

Under the hood: AVFoundation for capture and recording, CoreImage's CIKaleidoscope filter for symmetry, Metal for real-time preview, AVAssetWriter for video output, AVCaptureEventInteraction (iOS 17.2+) for hardware shutter button integration. Fully on-device — nothing uploaded.

Where it falls short

Being direct: symmetry cameras are not an unusual category. Kaleidoscope-style apps have existed for years, and we're not pretending otherwise. Voicame's argument is that tying voice shutter and live symmetry together in one workflow is a specific enough combination to be worth shipping.

Gaps: iOS-only, no Android, no Apple Watch. Shutter sound volume is controlled by the device's media volume — no independent control.