The best Smith.ai alternatives for UK businesses in 2026.

Smith.ai is an AI-plus-human hybrid, but the maths matters: it charges per call in US dollars, so your invoice scales with the number of calls rather than the work done. This review benchmarks the leading alternatives on the axes that decide the outcome — headline price, billing model and verified review scores — to isolate which one suits your actual call profile.

John Oberlin-Harris

Written by John Oberlin-Harris

CRO, Cyberstaff

Last updated 25 June 2026

The quick verdict

The trade-off comes down to staffing model versus cost predictability. Smith.ai earns its place if you genuinely need trained humans on your hardest calls and your operations already run on a US CRM. But if the priorities are 24/7 cover at a fixed price in pounds, metering by the minute rather than the call, and jobs written straight into your diary, an AI receptionist is the tighter fit on every count. On our scoring that points UK trades and SMBs to Cyberstaff, from £30 a month with 24/7 and setup included, and no contract.

Why businesses look beyond Smith.ai

A capable hybrid, but the per-call bill is built for US businesses.

Per-call billing punishes you

At roughly $9.75 to $11.50 per call, the pricing ignores effort entirely — a 20-second wrong number is charged the same as a 10-minute booking.

Long calls can count double

Once a call passes about five minutes it can register as more than one call, so your highest-value conversations land in the most expensive bracket.

Priced and staffed from the US

Both the agents and the price list are North-American; UK callers notice the accent and your finance team notices the dollar exposure.

Plans start high for few calls

Entry to the human tier sits near $292.50 a month for 30 calls — and that is the floor, before a single overage charge.

No real free trial

A money-back guarantee is not the same as a trial: you sign up and pay first, rather than evaluating it live on your own calls.

AI, chat and outreach are separate

Voice, AI, web chat and outbound are each their own line item, so the realistic cost of a complete deployment is well above the headline number.

What to look for in an alternative

What is worth checking before you switch.

  1. 1

    Per-minute, not per-call, billing. The right test: a 30-second call should bill below a 10-minute one.

  2. 2

    Priced and supported in the UK. Look for pounds, UK numbers and UK business hours rather than a dollar invoice.

  3. 3

    24/7 cover included as standard. Out-of-hours calls convert best, so that cover belongs in the base price, not as an add-on.

  4. 4

    A real free trial. A refund window is no substitute for hearing it handle your own calls before you commit.

At a glance

Smith.ai and six alternatives, side by side.

Provider From Overage 24/7 Setup Min term Rating Notes
Cyberstaff Customisable AI £30/mo £0.30/min ✓ Included Free Rolling monthly 4.6 Trustpilot
Moneypenny Customisable AI £99/mo £1.80/call ✓ Included £250 4 months 4.8 Trustpilot Changes @ £150/hr
Moneypenny Virtual Receptionist £282/mo £2.35/min +£75/mo Included 4 months 4.8 Trustpilot
Reception HQ Virtual Receptionist £99/mo £1.10/min ✓ Included From £20 Rolling monthly 3.4 Trustpilot
AnswerConnect Virtual Receptionist £168.75 £1.75/min ✓ Included £49.99 Rolling monthly 4.9 Trustpilot Transcripts @ +£30/mo, Transfer @ +£30/mo

Based on 100 minutes/50 calls minimum using cheapest published/quoted plan. As of June 2026. Trustpilot ratings used where found, otherwise first ranking independent review site from Google search with ≥5 reviews.

The alternatives, ranked

Six Smith.ai alternatives, with the honest case for each.

1

Cyberstaff AI

Best for: UK trades and SMBs wanting 24/7 AI at a flat price

From £30/mo

100 mins, 24/7, no setup

A British AI receptionist that picks up in your company name day or night, slots jobs straight into your diary and texts the particulars over to you. One flat, predictable monthly figure, and live in under 60 seconds.

Flat pricing, 24/7 included on every plan

Answers unlimited calls at once, no queue

Reads your website and is live in under 60 seconds

No setup fee, cancel anytime

Newer brand than the incumbents

Built for inbound, not large outbound campaigns

4.6 Trustpilot

Customers single out the swift setup and the way calls become booked jobs; a handful would welcome more native integrations.

2

Moneypenny Human + AI

Best for: Businesses wanting a polished, named human PA

From £99/mo

+£75/mo for 24/7

One of the best-known UK answering services, with a strong name and a decent app. But 24/7 costs extra, the included minutes are stingy, and you pay per minute over your bundle on a multi-month deal.

Well-known UK brand with a polished app

Option of a named, dedicated receptionist

High 4.6 Trustpilot score

24/7 costs around £75/mo extra

Per-minute overage of £1.65 to £1.85

Three to six month contracts

4.6 Trustpilot

People rate the professional UK receptionists. The usual grumbles are cost, add-ons and the contract length.

3

AnswerConnect Human

Best for: Businesses wanting human receptionists with 24/7 included

From £168.75/mo

100 mins, +£1.75/min

A long-standing human answering service that bundles round-the-clock and bilingual cover as standard, and carries the highest Trustpilot score in this field. The catch is per-minute pricing that mounts as volume grows.

24/7 human cover included as standard

Excellent 4.9 Trustpilot from over 200 reviews

Bilingual cover, app and integrations

Per-minute overage gets expensive at volume

Over 5 times the price of leading AI agent options

Extensive use of Add On Pricing and set up fees

4.9 Trustpilot

Reviewers applaud the dependable round-the-clock human cover and obliging account managers; the odd grumble surfaces over billing and message accuracy.

4

AllDayPA Human

Best for: UK firms wanting a human team and willing to commit

From £90/mo

£210/mo for 150 mins

A Manchester outfit that has been at it since 1999. The UK receptionists are genuinely warm, but you are tied to a 30-day minimum plus 30-day notice, and the pricing only surfaces once you fill in a quote form.

UK-based human receptionists

Strong 4.7 Trustpilot for staff friendliness

Handles email and web chat too

30-day minimum plus 30-day notice

Pricing sits behind a quote form

Lower on Google (3.7) and Indeed (2.5)

4.7 Trustpilot

Warmly received on Trustpilot for its UK staff, though weaker on Google, where contract and notice-period gripes tend to cluster.

5

Reception HQ Human

Best for: Flexible pay-as-you-go human reception with no lock-in

From £99/mo

+£1.75/min

UK receptionists handle the weekday calls, with Australian and US teams taking the after-hours shift so 24/7 comes built in, all billed by the second and free of any contract. A neat fit for overflow and seasonal spikes, though reviews do flag the odd billing and cancellation snag.

24/7 included, no after-hours surcharge

Per-second billing, no minute rounding

No lock-in, 7-day free trial

Out of hours and surge calls are answered off shore

A human handles one call at a time

Billing and cancellation complaints in reviews

3.6 Trustpilot

Commended for friendly, reliable cover at fair value; the persistent gripe is disputes over billing and cancellation.

6

Synthflow AI AI (DIY)

Best for: DIY teams happy to build their own voice agent

From ~£23/mo

No-code, you build it

A no-code platform for assembling your own AI voice agent. The most affordable way in here, but the setup, the tuning and the call flows are all yours to own, rather than a receptionist handed to you ready to go.

Lowest entry price

True no-code builder

Templates for common use cases

You build and maintain the agent

Minute caps on lower tiers

Not a managed UK service

Limited G2

The early verdict praises the no-code builder; just bear in mind the setup and ongoing tuning fall to you, not a done-for-you service.

Head to head

Cyberstaff vs Smith.ai, feature by feature.

Feature Cyberstaff Smith.ai
24/7 cover ✓ Included free +£75/mo add-on
Pricing model Flat monthly + low overage Base + per-minute
Starting price From £30/mo From £99/mo
Included minutes 100 to 600 mins/mo Variable, with premium overages
Per-minute overage 20p to 30p/min, same as contract rate £1.10 to £2.35/min
Setup fee (inbound) £0 Up to £250
Minimum contract Rolling monthly 4 months with some providers
Calls at once ✓ Unlimited parallel Limited by staffing
Calendar and CRM booking ✓ Built in Mostly message taking
Call transcripts ✓ Included Often an additional charge
Time to go live Under 60 seconds Days to weeks

Pricing in the real world

What you actually pay as call volume grows.

This is where the two billing models diverge most sharply. Flat per-minute AI pricing tracks a predictable line, whereas per-call billing rises step-for-step with each call answered — and since Smith.ai meters the call, not the minute, length barely moves the total. The figures below convert Smith.ai’s US rates to pounds assuming a four-minute average call.

Monthly mins/callsCyberstaff (AI)Smith.ai (per call)AnswerConnect (best published plan)
100 mins (c. 50 calls) £30/mo +£0.30/min~£310£168.75/mo +£1.75/min
300 mins (c. 150 calls) £75 +£0.25/min~£770£332.50/mo +£1.75/min
600 mins (c. 300 calls) £120/mo +£0.20/min~£1,950£692.50/mo +£1.75/min
Additional fees Simple pricing+£30/mo transcriptions +£30/mo transfers

Illustrative: Smith.ai is modelled from its published per-call plans and overage, converted from USD. Because billing is per call, call length has little bearing on the total.

The honest take

When Smith.ai is genuinely the better choice.

A comparison that declares one winner in every scenario is not a comparison. Here are the conditions under which Smith.ai is the correct call:

You want real humans on complex calls. Its North-American agents can carry the nuanced or sensitive conversations you would not want an AI fielding.

You live inside a US CRM stack. With 30+ native integrations and mature workflows, it slots cleanly into sales teams whose process runs through their CRM.

Your business and callers are US-based. For a US operation, US hours, US accents and dollar billing read as alignment rather than overhead.

You want chat and outreach too. It packages web chat and outbound campaigns alongside answering, consolidating channels under one vendor.

Switching from Smith.ai

Move across without missing a single call.

  1. 1

    Start free, no card needed

    Open an account and a Cyberstaff AI number is issued immediately, with your existing number kept in place. It reads your website to learn your services and coverage area.

  2. 2

    Keep your number

    Point conditional forwarding from your current business number to Cyberstaff. Callers keep dialling the number they already know.

  3. 3

    Run both in parallel

    Leave Smith.ai running for 7 to 14 days so you can audit real calls side by side and refine the script and call flows.

  4. 4

    Cancel when ready

    Smith.ai runs month-to-month, so there is no notice period gating the switch — once the evidence is in, switch it off.

How to choose

Pick by how your business actually takes calls.

Choose Cyberstaff

The fit if you need 24/7 cover at a predictable flat cost in pounds, you are a UK trade or SMB, and you want jobs landing in your diary without a per-call meter.

Choose Smith.ai

The fit if trained humans on complex calls and deep US CRM workflows are the priority, and US hours and dollar billing pose no problem.

Choose a human service

AnswerConnect, AllDayPA or Moneypenny make sense when every caller must reach a UK person and a consistent brand voice outranks cost.

Choose Synthflow

The fit if you are technical, budget is tight, and you are content to build and maintain your own AI voice agent.

FAQ

Smith.ai vs Cyberstaff, answered.

Make the switch in under 60 seconds.

Start free and keep your number. Your AI receptionist is answering as your business in about 60 seconds.