Flipcorder arrived on the App Store as an indie offering that records iPhone Duo footage in a retro style.

The app runs natively on the Duo’s inner and outer displays, applies grain and scan‑line filters, and is compatible with all iPhone models, according to 9to5Mac’s Indie App Spotlight.

Retro aesthetics meet dual‑screen hardware

Flipcorder’s core promise is simple: take video on an iPhone and make it look like it was shot on a 1970s camcorder. The filter chain adds a muted colour palette, a flicker effect, and a vignette that mimics the optic…