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Auto-Respond AI Answering Service vs Viva AI

The short answer

  • Auto-Respond AI Answering Service costs least at 100 calls a month: $310.
  • Viva AI costs least at 500: $1,199.
  • Pick Auto-Respond AI Answering Service if you want the lower bill at 100 calls or calls put through to you.
  • Pick Viva AI if you want the lower bill at 500 calls, booking in Google Calendar or booking in Outlook.
Auto-Respond AI Answering Service vs Viva AI, compared
Auto-Respond AI Answering Servicecontractors and home-service crews who miss calls while on the jobVisit siteViva AIdental practices and DSOs that book patients straight into Dentrix or Open DentalVisit site
Cost
At 100 calls a monthAuto-Respond AI Answering Service$310LowestViva AI$349
At 500 calls a monthAuto-Respond AI Answering Service$1,510Viva AI$1,199Lowest
Advertised fromAuto-Respond AI Answering Service$10 a monthViva AI$349 a month
The advertised plan coversAuto-Respond AI Answering ServiceThe $10 plan covers 0 of 100 calls.100 cost extra.Viva AIThe $349 plan covers all 100 calls.
BillsAuto-Respond AI Answering Serviceper minuteViva AIin credits
Keeps answering past your allowanceAuto-Respond AI Answering ServiceYesThere is no allowance to exceed: every minute is metered at the same rateViva AIYesCalls keep being answered past the allowance and extra credits are billed per credit
Free trial or planAuto-Respond AI Answering ServicePartlyA 7-day trial covers the voice agent on your own lineViva AIPartlyThere is no standing free plan
Month to month, cancel onlineAuto-Respond AI Answering ServiceYesSubscriptions renew monthly with no fixed termViva AINot stated
On the call
Books appointmentsAuto-Respond AI Answering ServiceYesWhen scheduling is enabled the agent checks live availability, offers slotsViva AIYesThe AI reads live availability
Transfers to a personAuto-Respond AI Answering ServiceYesTransfer is an opt-in toggle with written criteriaViva AIPartlyTransfer to the right staff member is a listed Platinum feature
Human receptionists as backupAuto-Respond AI Answering ServiceNoNo staffed fallback existsViva AINoThere is no human answering team behind the AI
After-hours rulesAuto-Respond AI Answering ServiceYesCall hours default to 24/7 and can be set per day in windowsViva AIYesIt answers around the clock and behaves differently after hours, creating tasks
Urgent calls escalatedAuto-Respond AI Answering ServiceYesYou write the emergency triggers in plain wordsViva AIYesThe AI triages dental emergencies with symptom questions
Texts your callersAuto-Respond AI Answering ServicePartlyTwo-way texting with a caller exists but only through the paid SMS Messaging add-onViva AIPartlyThe same AI holds two-way text conversations and sends booking links and forms
Call summary by textAuto-Respond AI Answering ServiceYesPost-call summaries can be pushed by SMS, Slack or Telegram as well as emailViva AIPartlySummaries land in the platform inbox and
Language, privacy and trying it
LanguagesAuto-Respond AI Answering ServiceNot statedViva AIYes100+ languages
HIPAA, with a signed BAAAuto-Respond AI Answering ServiceNot statedViva AIYesA Business Associate Agreement is signed for every practice on any plan
Hear it before you buyAuto-Respond AI Answering ServicePartlyA recorded product walkthrough is published and you can call your own agent during setupViva AIYesA public toll-free demo line is the product itself answering for a demo practice
What it connects to
Google CalendarAuto-Respond AI Answering ServiceNoGoogle Calendar, Outlook and Calendly are not in that listViva AIYesGoogle Calendar, Outlook or Microsoft 365
OutlookAuto-Respond AI Answering ServiceNoGoogle Calendar, Outlook and Calendly are not in that listViva AIYesGoogle Calendar, Outlook or Microsoft 365
CalendlyAuto-Respond AI Answering ServiceNoGoogle Calendar, Outlook and Calendly are not in that listViva AIYesGoogle Calendar, Outlook or Microsoft 365
Your trade’s softwareAuto-Respond AI Answering ServicePartlyField-service and trade tools are coveredViva AIYesThe integrations are dental-specific practice management systems written to directly
Keep your numberAuto-Respond AI Answering ServiceYesKeeping your existing number and forwarding it is the documented default, with alwaysViva AIYesPatients keep dialing the existing office number
In short
What it isAuto-Respond AI Answering ServiceAuto-Respond is an AI answering service for contractors: a voice agent answers calls forwarded from the existing business line, answers from uploaded business details, books jobs and transfers urgent callers. The same account also answers Yelp, Thumbtack, Facebook, Instagram and Google LSA message leads.All answers for Auto-Respond AI Answering ServiceViva AIViva AI is an AI receptionist for dental practices and DSOs that answers calls, texts, webchat and email, and writes appointments into the practice management system. It also runs outbound recall, reactivation and confirmation campaigns across one or many locations.All answers for Viva AI
CheckedAuto-Respond AI Answering ServiceOctober 14, 2026Viva AIOctober 16, 2026

Costs are for 100 or 500 calls a month of 2½ minutes each, on the cheapest public plan. How we price