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AIRIN vs Smith.ai

Smith.ai is the incumbent in this matchup: years in market, human receptionists behind the AI, and the deepest legal-intake footprint in the category. AIRIN is the newer specialist: an AI-first receptionist made by Atomic Apps AI, packaged specifically for insurance agencies, HVAC, and plumbing businesses, with voice, SMS, email, and phone-payment follow-up managed for you.

The honest framing: these two overlap on the core job — answer every call, capture the lead, book the appointment — but they sit at different points on three axes: human involvement, vertical depth, and price point.

At a glance

AIRINOur product

AIRIN, the AI receptionist from Atomic Apps AI — a configurable AI front office for service businesses, with pre-built HVAC, plumbing, and insurance workflows, published self-serve pricing from $49/mo billed yearly ($59/mo month-to-month) with a 14-day free trial by default, website chat included on every plan, an on-site voice widget (VIA) included with Max, and phone payments.

Pricing: From $59/mo

Yearly plan: From $49/mo billed yearly ($590/yr)

Best for: Service businesses that want published self-serve pricing and a receptionist that rings their own team first — especially HVAC, plumbing, and insurance, where pre-built workflows exist — with vendor-assisted onboarding for law firms and multi-location or custom needs.

Smith.ai

The established hybrid: AI receptionist plans plus North America-based human receptionists, strongest in legal and professional services.

Pricing: From $0/mo

Yearly plan: Not published

Best for: Law firms and professional-services businesses that want a proven vendor and the option of real humans behind the AI.

Feature comparison

"Not published" means the vendor doesn't document it — we don't guess. Verified 2026-10-26.

FeatureAIRINOur productSmith.ai
Price (month-to-month)From $59/moFrom $0/mo
Yearly plan (average per month)From $49/mo billed yearly ($590/yr)Not published
24/7 call answering✓✓
Appointment scheduling✓Includes two-way Google Calendar and Outlook sync — Pro and Max tiers only, not included on Reception✓
SMS follow-up / texting callers✓In-call and post-call texting, including Pay by Phone payment linksPartialCall summaries and notifications; text answering on some plans
Email follow-up✓PartialCall summaries by email
CRM / back-office integrationsPartialNamed connectors (ServiceTitan, Housecall Pro, Jobber for trades; EZLynx, Vertafore, AMS360, HawkSoft, QQCatalyst, NowCerts, Applied Epic for insurance AMS) — scoped and priced per connector on request, not included in the plan price✓100+ integrations incl. Clio, Lawmatics, HubSpot
Live transfer to a human✓Agent-first routing rings the business's own team first (configurable 5–30s window), falling back to AIRIN if nobody answers; live warm transfer with call summary also included — Pro and Max tiers only, not on Reception. No staffed human-receptionist add-on.✓Live-agent handoff available on AI plans (per-call fee not listed on the current AI pricing page); full human plans available separately
Spanish / bilingual support✓English and Spanish included on every plan; Vietnamese, Tagalog, Portuguese, and Korean available per business✓Bilingual human agents
Custom call scripts & flows✓Call flows configured per business during onboarding✓
Outbound calling✕✓Callbacks and outreach campaigns
Call analytics dashboard✓Searchable transcripts and lead dashboard on every plan; full call recording is Pro and Max only✓Summaries, transcripts, and dashboard
Industry-specific packaging✓Pre-built workflows for insurance, HVAC, and plumbing; other service businesses configured around their contact pattern; law via guided onboarding (no conflict clearing or legal advice); dental and medical not generally available (private readiness review only)✓Strongest in legal intake
Self-serve signup✓Self-serve checkout across all three tiers (monthly or yearly billing) with a guided setup wizard and a 14-day free trial by default; multi-location/custom is quote-led✓Month-to-month AI plans
Live website chat widget✓AI Web Chat: live website chat widget trained on the business's own pages. Included on every plan — 250 AI replies/mo on Reception, 1,000 on Pro, 3,000 on MaxNot published
On-site voice widget (tap-to-talk)✓VIA: tap-to-talk voice widget for the business's own site; answers from the business's content, opens pages, and fills visible form fields (never submits). Included with Max (300 connected minutes); add-on for Reception (25 min) and Pro (100 min) at a price not yet publishedNot published
In-call phone payments✓Pay by Phone (Max): AIRIN texts the caller a secure payment link mid-call; $49 one-time activation + 0.725%/transaction, no monthly feeNot published

Human fallback vs AI-first

Smith.ai's structural advantage is people. Its AI plans offer a free 25-call/mo tier and paid tiers with live-agent handoff, and full human-receptionist plans exist for businesses that want staffed coverage. AIRIN is AI-first, not human-staffed: on Pro and Max, agent-first routing rings the business's own phone first and only falls back to AIRIN if nobody answers, and calls can also be transferred live to the team — but there is no staffed receptionist tier behind the AI the way Smith.ai offers, and Reception (AIRIN's cheapest tier) doesn't include live transfer at all.

The flip side is cost: human involvement is why Smith.ai's Enterprise and human-receptionist plans run into hundreds to low-thousands monthly, while AI-only services price lower.

Vertical depth

Smith.ai's specialization is legal — Clio and Lawmatics integrations and years of intake experience. AIRIN's specialization is insurance agencies (carrier-aware claim routing, AMS connectors, quote intake) and HVAC/plumbing (job-type triage, appointment booking). If you're a law firm, Smith.ai's ecosystem is built for you; if you're an insurance agency or a trades business, AIRIN's packages target your workflow specifically.

Price point

AIRIN publishes three self-serve tiers, and the yearly plan (ten monthly payments for twelve months) lowers the average monthly cost: Reception is $49/mo billed yearly ($59/mo month-to-month; 200 min, $0.65/min overage), Pro is $115/mo billed yearly ($139/mo monthly; 500 min, $0.50/min overage), and Max is $215/mo billed yearly ($259/mo monthly; 1,000 min, $0.45/min overage) — no setup fee, and a 14-day free trial by default on every tier, card required. Smith.ai's AI receptionist starts with a genuinely free tier (25 calls/mo, $3.00/call overage), then Pro at $150/mo and Enterprise at $500/mo, billed per-call rather than per-minute and month-to-month; Smith.ai doesn't publish an annual price or discount on its AI pricing page.

Watch the billing unit either way: Smith.ai meters by call regardless of length, AIRIN meters by minute — so compare against your actual average call length and volume, not just the sticker. Note also that Reception, AIRIN's cheapest tier, doesn't include booking, calendar sync, live transfer, or call recording; those require Pro or Max. Web chat, though, is included on every AIRIN plan.

More ways to compare

See also AIRIN vs Goodcall, AIRIN vs Rosie, and AIRIN vs Sonant AI, or browse the full best AI receptionists guide for every segment pick. For the mechanics of ring-your-team-first routing specifically, see agent-first call routing, explained.

Verdict

AIRIN

Choose AIRIN if you're an insurance, HVAC, or plumbing business that wants an industry-tuned AI receptionist with published self-serve pricing (from $49/mo on a yearly plan), a 14-day free trial by default, and SMS/email/payment follow-up available — and you're comfortable stepping up to Pro if you need booking or live transfer.

Smith.ai

Choose Smith.ai if you're in legal or professional services, want to try a real free tier first (25 calls/mo), or a staffed human receptionist behind the AI — not just your own team — is non-negotiable.

Frequently asked questions

Which is cheaper, AIRIN or Smith.ai?
It depends on tier and volume. Smith.ai's AI receptionist has a genuine free tier (25 calls/mo, $3.00/call overage), then $150/mo Pro and $500/mo Enterprise. AIRIN's tiers are $59–$259/mo month-to-month, or about $49–$215/mo averaged on a yearly plan, with per-minute overage that falls as you move up. Smith.ai publishes no annual pricing. The billing units differ — per-call vs. per-minute — so compare against your real call pattern, not the sticker.
Do both offer 24/7 answering?
Yes. Both answer around the clock; the difference is what's behind the AI — Smith.ai can escalate to human agents on its human-receptionist plans, AIRIN rings your own team first (agent-first routing, Pro/Max only) and transfers to them live.
Is this comparison independent?
No, and we disclose that prominently: this site is published by Avant-Garde Global LLC, the company behind Atomic Apps AI, which makes AIRIN. Every factual claim here is sourced, and Smith.ai's strengths — a real free tier, humans on staff, legal depth — are stated plainly.

Sources