Plumbing-specific features matter more than generic project-management features, because most of the work is priced, scheduled and closed out in the field rather than at a desk. A flat-rate price book is one of the clearest examples: Housecall Pro's price book calculates a consistent flat rate for every service and syncs job expenses to QuickBooks, so two technicians quoting the same repair land on the same number instead of pricing it from memory.
Recurring maintenance plans are the second feature worth checking closely, since they turn a one-time repair into repeat revenue. Housecall Pro's recurring service plans are built to "help build strong customer relationships and allow you to generate steady income," which matters for plumbers who want to sell an annual water heater flush or drain maintenance plan instead of waiting for the next emergency call.
At the larger end of the market, ServiceTitan packages the same idea as a formal membership program: its membership wizard is built to simplify "the process of setting up regular maintenance contracts in a few steps," which is the kind of dedicated program a multi-crew shop selling maintenance agreements at scale will look for once a lighter tool's recurring-plan feature feels too basic.
A customer-facing approval portal is the fourth feature to check. Jobber's client hub gives customers "24/7 access to the information they need," including requesting work, approving quotes, viewing appointments and paying online, which cuts down on phone tag for approvals on both small repairs and larger projects.
On the phone side, look for lead screening as a named feature, not just "answering." Smith.ai's lead screening and intake is built to "capture and qualify your leads based on your target audience and custom criteria" before booking the appointment onto your calendar, which filters out calls a plumbing dispatcher would otherwise have to triage manually.
For reviews, check that requests fire automatically from a completed job rather than needing a manual trigger. GoHighLevel is built to "send review requests by text and email automatically after every appointment or sale," which removes the step an owner is most likely to forget during a busy week.
Finally, on the accounting side, project-level profitability tracking is worth checking for rather than assuming every accounting plan includes it: QuickBooks Online is built to track project profitability alongside income, expenses and bank reconciliation, which is what turns bookkeeping into a tool for pricing the next job correctly.