Best AI invoicing tools for locksmiths in 2026

You popped a lock at 2am, rekeyed three doors, and now you're standing in a driveway trying to remember whether the customer said they'd Venmo you or pay the office. That gap between finishing the job and getting paid is where locksmith revenue leaks. A mobile lockout that closes on the spot collects far better than one you invoice three days later, and the tools below all close that gap in different ways.

Most locksmiths run a mix of emergency lockouts, scheduled rekeys, and commercial master-key work. The invoicing problem is different for each. Here's how to pick.

What to look for in AI invoicing tools if you run a locksmith shop

Card-present rates matter more than the monthly fee. On a $95 lockout, the difference between 2.6% and 3.5% is about 85 cents, and you'll run hundreds of those a month. Square and most field apps land near 2.6% plus 10 to 15 cents for a tapped card, higher for keyed-in numbers.

Look for invoice-from-phone with a payment link, because a locksmith bills standing next to the customer, not back at a desk. Recurring billing helps if you hold commercial accounts on net-30 or do monthly lock maintenance for property managers. And anything that syncs to QuickBooks Online saves you a second data entry at tax time, which for a one-truck shop is a real hour saved each week.

Top 5 picks for 2026

Square Invoices. The free tier covers basic invoices and tap-to-pay, and Square Invoices Plus is $20/mo if you want recurring billing and saved templates for commercial accounts. Card-present runs about 2.6% plus 15 cents. Best fit for a solo locksmith who wants to collect at the door with no monthly commitment. Drawback: it doesn't know anything about locksmithing, so you build your own line items and price book by hand.

Jobber. Jobber Core is $29/mo for one user, and Connect at $99/mo adds automated payment reminders and the client hub where customers pay online. The scheduling and dispatch are the reason most locksmiths land here once they add a second truck. Drawback: at one truck the field-service features are more than a pure lockout business needs.

Housecall Pro. Basic is $79/mo for one user, Essentials is $189/mo for up to five. The automated follow-ups on unpaid invoices are strong, and the consumer-facing booking page helps if you take a lot of inbound lockout calls. Drawback: the price jumps hard between tiers, so a two-person shop pays the same $189 as a five-person one.

QuickBooks Online. Simple Start is $38/mo and Plus is $115/mo. You probably already need it for taxes, and its invoicing is fine for commercial work billed net-30. Drawback: it's a back-office tool, not a field one, so collecting card payments at a lockout is clumsier than Square.

ServiceTitan. Quote-based, generally $245 and up per tech per month plus an implementation fee. Only worth it if you run a real commercial division with multiple techs and account-based billing. Drawback: it's heavy enough that a residential lockout shop will never use most of what it charges for.

What to avoid

Don't pay for ServiceTitan-class software when you run one or two trucks. Locksmiths get sold "all-in-one" platforms and end up using 10% of them. Match the tool to your truck count.

Don't invoice emergency lockouts after the fact. The single biggest collection problem in this trade is the customer who's grateful at midnight and unreachable by Friday. Take payment before you pack the rig.

Don't ignore keyed-in card fees. If half your jobs are phoned-in commercial cards typed by hand, your effective processing rate can creep past 3.4%, which on a high-volume shop is thousands a year you didn't budget for.

FAQ

Cheapest way to invoice as a solo locksmith? Square's free tier plus tap-to-pay. You pay only the roughly 2.6% card fee, no monthly charge, and you collect at the door.

When does Jobber beat Square for a locksmith? Once you add a second tech and need scheduling, dispatch, and automated reminders. Jobber Connect at $99/mo bundles those, which a pile of separate apps wouldn't.

Can these handle commercial net-30 accounts? Yes. Square Invoices Plus ($20/mo) and QuickBooks both do scheduled and recurring invoices for property managers and facilities accounts.

Do I need QuickBooks too? Most shops past about $150k a year keep QuickBooks for the books even when Jobber or Housecall runs the field side, because accountants want it.

If you run one truck and want to stop chasing payments, start on Square and collect at the door. Add Jobber Connect the week you hire your second locksmith. Keep ServiceTitan on the shelf until you have a commercial division big enough that account billing is its own job.

Pricing checked June 2026. Vendors change tiers often, so confirm the current number on the vendor page before you buy.