Is per-minute or per-call pricing better for an answering service?

Most of this category bills per minute. Rosie, Dialzara, AnswerConnect, Abby Connect, Ruby, PATLive and Posh all sell time, as of September 2026.

Smith.ai sells per call. Goodcall bills per unique caller each month, so the same person ringing three times counts once. Slang.ai bills per location and publishes no call volumes at any tier.

Per-minute plans hurt most in your busiest month, which is exactly when you can least afford to watch a meter. You'd be paying extra for the very calls that turn into jobs.

Pull last month's inbound calls and their durations from your carrier or phone system. If yours won't export them, a week's sample is enough to see the shape.

Work out the average length and the long tail. A business whose calls run eight or twelve minutes is the clearest per-call case, because every one of those calls costs a single call.

Price the same month both ways. Take the per-minute plan's included minutes and overage rate, then the per-call plan's included calls and rate, and compare the totals.

Then price your busiest month of the year, not the average. Ask each per-minute vendor how they round, because whole-minute billing turns a 70-second call into two minutes.

Take an estate-planning attorney who gets 120 calls a month at around nine minutes each. That's 1,080 minutes. Now take a tire shop with 900 calls a month at about 70 seconds each, which comes to 1,050 minutes. On a minutes meter these two businesses look almost identical.

Price them on a per-minute plan charging 20 cents a minute and they pay $216 and $210. Switch to per-call pricing on GreetKeeper and they split apart. The attorney's 120 calls fit inside Starter at $49. Those 900 tire shop calls need Professional at $149 plus 150 overage calls at $0.35, so $201.50.

So the attorney saves $167 in a month by paying per call, and the tire shop saves $8.50, which is close enough to call even. Long conversations are where per-call pricing earns its keep. Short, frequent calls come out level, and the per-call plan still carries booking and a printed overage rate.

Ask every per-minute vendor how they round. If calls bill in whole-minute increments, a 70-second call is a two-minute call. The tire shop's 1,050 real minutes become 1,800 billed minutes, and that $210 bill becomes $360. Six-second or one-second increments are far kinder, and the pricing page rarely says which applies.

Find out when the meter stops. After a transfer to your own staff, some services keep counting while your employee talks, because the call still runs through their platform. On a per-minute plan that can turn one long handover into the most expensive call of the week.

Per-call plans have their own fine print, which is what counts as a call. With us, very short calls, robocalls and calls the assistant screens out don't count toward your plan, and the pricing page has the table. Put the same question to any other per-call vendor, and check your log for how many of last month's calls were over almost as soon as they began.

Whichever model you lean toward, do the sum on your busiest month of the past year. The average month flatters every plan.

GreetKeeper counts answered calls, so a caller who needs ten minutes gets ten minutes and nobody watches a meter. Very short calls, robocalls and screened spam calls don't count toward your plan.

The overage rate sits beside each plan: $49 for 200 calls at $0.45, $149 for 750 at $0.35, $349 for 2,000 at $0.25. Rosie, Ruby and Slang.ai publish a monthly price without an overage rate, and AnswerConnect quotes through a form.

Annual billing is two months free, and every plan starts with a 14-day free trial, so you can measure your real call mix before you pay.