Offline-First Auto Sync

The problem with other survey tools

Most survey tools are built for offices — they assume you'll have a stable internet connection when collecting data. In the real world, field teams work in areas with no signal, weak 2G connections, or intermittent Wi-Fi. When the connection drops mid-survey, data gets lost.

onesurvey is built differently. The internet is treated as optional — not required — at the point of data collection.

How offline sync works

• Survey definitions are pre-downloaded to the device before the surveyor goes to the field
• When a response is submitted, it is immediately saved locally on the device
• The surveyor can continue collecting responses — no internet needed
• The moment any network is detected (Wi-Fi, mobile data, or 2G), all queued responses sync to the cloud automatically
• Sync happens in the background — the surveyor doesn't need to do anything
• Once confirmed as synced, responses appear instantly in your admin dashboard

Reliable in any condition

The sync process is designed to be resilient. If a sync attempt fails (for example, if signal is lost mid-upload), responses remain safely queued on the device and the sync retries automatically. No response is ever lost due to a failed upload attempt.

Media files — photos, videos, audio recordings — are also queued and uploaded automatically when connectivity returns. Large files are handled gracefully without blocking other responses from syncing.

Who benefits most

• NGO field teams surveying in remote or rural areas
• Healthcare workers in low-connectivity clinics or community settings
• Market researchers conducting intercept surveys in underground locations or dense urban areas
• Retail auditors working in basement stores or signal-blocked buildings
• Political canvassers covering areas with inconsistent mobile coverage
• Any team that cannot afford gaps in their data