Features / Offline Mode

No signal. No problem.

CrewBox assumes basements, remote sites, and dead zones. Where cloud-dependent photo apps stall without signal, CrewBox keeps capturing, creating, and commenting — and syncs itself when coverage returns.

CrewBox pending photos syncing in the background on a phoneCrewBox offline banner on a phone

Capture never stops

Photos and videos store locally with their tags, notes, and GPS. Browsing previously loaded projects and photos works from the on-device cache.

Projects born offline

Create a project at a greenfield site with no coverage and document all day. When signal returns, the project syncs first — then its photos follow automatically.

A sync engine that retries

A connectivity observer triggers sync the moment the network returns. Uploads run two at a time and failed transfers reset and retry on reconnect and app start.

Full visibility

The Upload Queue screen shows offline projects, in-flight uploads, pending drafts, and failures with per-item errors — plus Retry Failed and Clear controls.

Everything included

  • Photo and video capture always available
  • Offline project creation with a temporary identity
  • Comments queue locally and post on reconnect
  • Browse previously loaded projects and photos from cache
  • Cached tag lists keep tagging working offline
  • Connectivity observer triggers sync the moment signal returns
  • Background uploads, two at a time
  • Failed uploads reset and retry on reconnect and app start
  • Offline projects sync first; their photos promote automatically
  • Upload Queue screen: syncing, uploading, pending, failed
  • Per-item error messages with Retry Failed and Clear Failed
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