POS & retail
Offline-First POS: Keeping the Register Running When the Internet Drops
A till that depends on a constant connection stops when the connection does. Offline-first design keeps selling and syncs afterwards.
The risk of a constant connection
A point-of-sale system that sends every action to a remote server is simple to build, but it stops when the connection does. A router fault, a cut line or a provider outage during a busy hour means customers wait and staff improvise with paper.
The offline-first pattern
In an offline-first design the register keeps its own local copy of the data it needs: products, prices, open tables and the day's sales. It records every sale on the device first, and sends the records to the central system whenever a connection is available. The customer never notices a drop in service. The SQLite project, a widely used embedded database, describes this kind of use directly: local storage for individual applications and devices, and as a cache that lets a client application keep operating during network outages.
What to check before you rely on it
Ask how the system resolves conflicts if two devices change the same item while offline, how long it can run without a connection, how it protects the local data, and how you can see that everything has synced. A system that syncs silently and shows no status leaves you guessing.
Our plan
Offline-first operation that syncs when online is a planned feature of both MayPos Shop and MayPos CRS. Both products are still in development, and the feature list may change before launch.
