Looking for the cheapest AI receptionist is a reasonable instinct and a bad search, because the cheapest headline price and the cheapest actual outcome are frequently different products.
Here is how to find the genuinely cheapest one for your business, which requires about twenty minutes of arithmetic rather than a comparison table.
Why the lowest price is often not the lowest cost
Three ways a cheap service becomes expensive.
It bills per minute, and you are busy. A low per-minute rate is a low price in a quiet month. In December, or wedding season, or the week before a holiday, the same contract costs several times as much — and it peaks exactly when everything else is stretched. Usage pricing does not just cost money, it moves risk onto you.
It cannot book. The cheapest tier of several services answers and takes a message. That looks like the same product for less until you notice nothing is being booked. If six callers a month would have booked and instead got a message taken, the "saving" is smaller than the appointments lost, usually by a wide margin.
The number quoted is not the number billed. Texts charged per message. Setup as a one-off. Calendar integration as an upgrade. Overage at a rate higher than the blended one you were quoted. Ask for the all-in figure at your real volume, in writing.
The twenty minutes of arithmetic
Get your call volume. Your carrier or phone system can tell you how many calls came in last month and how many went unanswered. Most owners guess low by about half.
Estimate a call length. A booking conversation runs about two minutes once you include greeting and confirmation. Message-taking calls are shorter.
Model two months, not one. A normal month and your busiest. The gap between those two numbers is what usage pricing exposes you to, and it is the single most useful thing this exercise produces.
Add the extras. Texts at your reminder volume. Setup. Any integration tier. Any per-number fee if you have more than one line.
Now you have a real comparison rather than a headline one. We went through the four pricing models properly in what an AI receptionist costs.
What "cheapest" should not mean
It should not mean a system that guesses. A service that invents a price or reassures a caller about an allergen is not cheap at any price — it is a liability with a monthly fee. The correct behaviour when it does not know is to say so and offer a callback.
It should not mean no setup help. Configuring a real service list, durations and staff qualifications is the fiddly part, and a bad configuration produces bad bookings for months. A service that leaves you to it saves money on the invoice and spends it on your time.
It should not mean no trial. Anything worth buying can be tried on your own callers. Thirty days is enough to see a normal month; two weeks can straddle a quiet fortnight and tell you nothing.
The genuinely free option, and what it costs
Voicemail costs nothing and loses bookings. That is a real option and for some businesses it is the right one.
But put a number on it rather than treating it as free. Take the calls you miss, the share that wanted to book, and your average ticket. That figure is what voicemail costs you every month, and it is the number any price should be compared against — not against a competitor's price.
For a lot of salons and restaurants that number turns out to be several times the cost of any service on the market, which makes "cheapest" a much less interesting question than it looked.
The cheapest setup that actually works
If you want the minimum viable version:
Forward only the calls you miss. Conditional call forwarding hands over the overflow and the after-hours calls while your number and existing setup stay exactly as they are. You are not paying to handle calls you were already answering. The codes are in the call forwarding guide.
Pick flat pricing if your volume is seasonal. It is not always cheaper on average. It is reliably cheaper in the month that hurts.
Skip the extras. Voice cloning, sentiment dashboards, outbound calling. None of them book appointments.
Make sure it can write to your calendar. Everything else is negotiable. This is not.
Where we sit
Ours is ninety-nine dollars a month for up to five staff, flat, with calls and texts uncapped and a thirty-day trial that takes no card. That is not the lowest headline number in the category and it is not trying to be — it is priced so that the busy month costs the same as the quiet one.
Whether that is the cheapest for you depends entirely on the arithmetic above, which is why it is worth doing before reading anyone's pricing page, including ours. The pricing page is there when you have your numbers.