DualCamRec

Record with both cameras at the same time. DualCamRec lets you capture video
  from your front and back cameras simultaneously — perfect for vlogs,
  reactions, tutorials, and creative content.

  6 recording modes:
  - Both: Back camera fullscreen with front camera as a floating PiP window
  - Inverted: Front camera fullscreen with back camera floating
  - Split Horizontal: Top and bottom split screen
  - Split Vertical: Side by side split screen
  - Back only: Full quality rear camera
  - Front only: Selfie camera

  Features:
  - Drag the floating PiP window to any corner
  - Record video with audio
  - Video stabilization (standard)
  - Resolution selector: 720p, 1080p, or 4K
  - Smooth animated transitions between modes
  - Saved directly to your Photos library

  DualCamRec Pro (one-time purchase):
  Unlock dual PiP, horizontal split, and vertical split modes. No watermark. Pay
   once, keep forever — no subscription.