Honest comparison · facts checked 2026-06-11
The Smith.ai alternative
without per-call math.
Smith.ai is a strong service — but per-call billing means a busy month is an expensive month. PhoneMachine answers unlimited inbound calls 24/7 on flat plans from $29/mo, with texting, booking, and call screening built in.
Smith.ai bills per call (AI plans from ~$95/mo; human-backed plans roughly $292–$2,025/mo for 30–300 calls, ~$9.75 per extra call). PhoneMachine is a flat-rate full phone system — unlimited inbound calls, AI answering, two-way texting, and calendar booking from $29/mo.
WHY PEOPLE LOOK FOR AN ALTERNATIVE
Where Smith.ai costs you
more than money.
Per-call pricing punishes growth
On call-based plans, every new customer who phones you costs more. Smith.ai’s human-backed tiers run roughly $9.75 per call over quota, and live-agent handoff on AI plans is ~$3/call. Flat plans mean a great month costs the same as a slow one.
It’s an answering service, not your phone system
Smith.ai answers calls. You still need a business line, texting, and somewhere for the records to live. PhoneMachine is the whole stack: your number (ported or new), unlimited two-way SMS with AI replies, missed-call text-back, voicemail, fax, and a unified inbox.
Texting is the follow-up channel
PhoneMachine texts the caller a confirmation during the call, texts back missed calls instantly, and runs keyword auto-replies 24/7 — included, with guided 10DLC carrier registration.
AT A GLANCE
Smith.ai vs PhoneMachine.
| Smith.ai | PhoneMachine | |
|---|---|---|
| Pricing model | Per call — quotas + overage | Flat monthly, unlimited inbound calls |
| Starting price | ~$95/mo (AI) · $292.50/mo (human, 30 calls) | $29/mo |
| Answers 24/7 | ✓ | ✓ |
| Human receptionist fallback | ✓ (their strength; ~$3/call on AI plans) | ✗ — warm-transfers to YOU instead |
| Two-way business texting inbox | Limited — answering-service focus | ✓ included, AI-drafted replies |
| Missed-call instant text-back | ✗ | ✓ |
| Books to Google Calendar mid-call | ✓ (AI scheduling) | ✓ |
| Your own business number + porting | Dedicated number provided | ✓ port, forward, or buy new — you own it |
| Call summaries + transcripts | ✓ | ✓ + sentiment + auto-created tasks |
| Free trial | 30-day money-back guarantee | 7-day free trial, $0 if you cancel |
Competitor details from their published pricing as of 2026-06-11 — always confirm on their site.
THE PRICING, SIDE BY SIDE
What each one actually costs.
Smith.ai
- AI Receptionist: from ~$95/mo, billed per call
- Live-agent handoff: ~$3 per call on AI plans
- Human receptionist plans: ~$292.50/mo (30 calls) to ~$2,025/mo (300 calls)
- Overage: ~$9.75 per additional call on human plans
- Month-to-month, 30-day money-back guarantee
PhoneMachine
- Starter $29/mo (billed yearly; $39 monthly) — 75 AI minutes, 1 user + 1 number
- Business $79/mo ($99 monthly) — 300 AI minutes, 3 users + 2 numbers
- Business Pro $239/mo ($299 monthly) — 600 AI minutes + outbound automation
- Unlimited inbound calls & texts on every plan; overage $0.40/min · $0.07/SMS, published
- 7-day free trial, month-to-month, keep your number if you leave
WHEN SMITH.AI IS THE RIGHT CALL
Smith.ai is genuinely good if you need trained human receptionists with judgment on every call — high-stakes legal intake is their sweet spot, and their north-star is white-glove service. If a live human voice on 100% of calls is non-negotiable and the per-call budget works, they’re a fine choice.
SWITCHING IS A FORWARDING RULE
Try it before you
move anything.
Call the demo line
Dial (888) 729-0139 right now — no signup — and grill the AI the way your customers would.
Trial on a test line
7 days free on a sandbox number. Your real line, and your Smith.ai service, stay untouched.
Forward your number
One forwarding rule and you’re live. Port the number fully whenever you’re ready — it stays yours either way.
FAIR QUESTIONS
Smith.ai vs PhoneMachine, asked plainly.
What’s the main difference between PhoneMachine and Smith.ai?
Billing model and scope. Smith.ai is an answering service billed per call, with human receptionists as the premium option. PhoneMachine is a flat-rate AI phone system — unlimited inbound calls and texts, AI answering, booking, screening, and a full business line, from $29/mo.
Does PhoneMachine have human receptionists like Smith.ai?
No — and that’s a real difference. Instead of handing calls to a call-center agent, PhoneMachine screens the call and warm-transfers it to you or your team with context ("Sarah, about a refinance — connect?"). You are the human in the loop, only for calls that deserve you.
Can I try PhoneMachine before switching?
Yes, two ways: call the live demo line at (888) 729-0139 right now — no signup — and then start a 7-day free trial on a test line before forwarding your real number.
Is Smith.ai pricing really per call?
As of June 2026, their published plans are call-based: AI receptionist plans start around $95/month, human-backed plans run roughly $292.50–$2,025/month for 30–300 calls with about $9.75 per additional call. Always verify current pricing at smith.ai.
THE ONLY DEMO THAT MATTERS
Let the AI make its own case.
7-day free trial · cancel anytime · keep your number