Current6 min read

How on-device events work

Motion turns into a captioned event without a single frame leaving your device.

Motion to event

  1. 01A camera reports motion over ONVIF while the app is open and monitoring.
  2. 02The app grabs a snapshot from the camera, or the current live frame.
  3. 03Classification runs on your device: person, vehicle, animal or plain motion.
  4. 04A short caption is written and the image is stored in app storage.
  5. 05Cooldown, retention and the storage cap apply. Alert settings change notifications, not what's kept.
No cloud AI

Nothing is uploaded for detection or captioning. Newer devices can polish the caption on-device; every device gets a simple local caption.

What stays put

  • Event snapshots never go to your photo library on their own.
  • Share and Export to Photos are deliberate taps. Export makes a copy and warns you that Photos may have its own cloud sync.
  • Resolution and retention follow your global or per-camera settings. Oldest images go first when the cap is hit.
  • Event history is excluded from device backup. It's not meant as a permanent archive.

Proven so far, and what isn't

  • A field run captured and classified 1,129 events over 3.5 days on eight cameras, using 71 MB.
  • Events are captured while the app is open. Round-the-clock history needs the Hub, which records whether or not a phone is awake.
  • People, vehicles, common animals and motion work. Package detection needs its own model.
  • Retention pruning, the 2 GB cap, distant people and bursts across 16 cameras still need field testing.
  • Captions leave out anything uncertain. No colour is claimed in fog, IR or bad light.