The honest version of "does it integrate with my software." These are the systems this industry actually runs on, and what each one means for a build.
Toast / Square / LightspeedPoint of sale
The system of record for sales, menu, labor and increasingly online ordering, all with accessible interfaces that make them a natural anchor.
7shifts / HotSchedulesScheduling and labor
Where shifts, availability, swaps and labor cost against sales are managed for an hourly workforce.
MarginEdge / Restaurant365Invoice and inventory
Purpose-built for reading supplier invoices into food cost and recipe costing, which is exactly the reconciliation problem most operators cannot staff.
Supplier orderingPurchasing
Broadline and specialty distributors with order guides and prices that move weekly, mostly communicated by email and portal.
Delivery platformsOff-premise
DoorDash, Uber Eats and Grubhub, each with its own dashboard, its own fees and its own reconciliation problem.
Reservations and waitlistFront of house
OpenTable, Resy or built-in tools holding guest history and no-show patterns.
Reviews and socialReputation
Google, Yelp and social platforms, where response speed and consistency matter and nobody has time.