Doublr

Two cameras, one photo. Doublr captures the front and back cameras at the same instant and saves a single side-by-side image to your Photos library. Tap the shutter — or press the volume button — to capture. The composite is written as a HEIC file to a dedicated "Doublr" album, ready to share or browse from inside the app. Features • Simultaneous front + back capture • Lens selection on the back camera (ultra-wide, wide, telephoto — whichever your iPhone has) • Front and back camera swap (choose which goes on the left of the composite) • Rule-of-thirds grid overlay • Flash for the back camera; screen-as-rim-light for the front • Fit / fill preview toggle • Portrait and landscape capture • In-app gallery — browse your Doublr photos, share, delete Privacy • No accounts • No analytics • No network access • Everything runs on your device Requires an iPhone that supports simultaneous multi-camera capture (iPhone XS / XR or newer).