Frontivo.io vs Synthflow
Synthflow is a platform for building voice AI agents. It is free to build on, with pay-as-you-go usage, and its pricing page lists enterprise contracts. Here's how it compares with Frontivo.io's AI receptionist, using each company's own published information.
Last verified September 28, 2026 · Sources listed below
Frontivo.io may fit better if
- You want a ready-made AI receptionist without building flows: website chat can be live in about 15 minutes, and your phone number is connected after you subscribe.
- You want one flat monthly price with usage included.
- You want a dashboard with inbox, booking, CRM and analytics included.
Synthflow may fit better if
- You have technical staff who want to design custom voice agents and call flows.
- You need native connectors such as HubSpot, Salesforce or GoHighLevel.
- You are an agency or large company building agents at scale.
Frontivo.io vs Synthflow: feature by feature
Short, factual notes from each company's own website. Where a figure isn't published, we say so.
Swipe the table sideways to see every column →
| Feature | Frontivo.io | Synthflow |
|---|---|---|
| Starting price | Phone plans from $199/month (Phone Only); phone, website chat and text from $299/month (Starter); all 7 channels $549/month (Growth; opens soon, reserve it at no charge). Single-channel plans from $99/month. USD, excluding tax. | Free to build; pay-as-you-go usage. Enterprise contracts from $30,000/year. Self-serve monthly price: Not published. |
| Pricing model | Flat monthly plan with usage included. Extra usage: $0.35 per voice minute, $0.25 per conversation, $0.10 per AI text reply; we never hang up on a caller because a limit is reached. Annual billing saves 15%. | Pay-as-you-go for calls and chats; per-minute rate: Not published. |
| Included usage (entry plan) | Starter: 300 AI voice minutes (about 100 calls), 300 website chats and 300 AI text replies a month. | Not published. |
| Channels | Phone, website chat and voice, text (SMS), WhatsApp, Instagram DM, Facebook Messenger and email in one inbox (WhatsApp, Instagram and Messenger on Growth, or on their own as WhatsApp Only, Instagram Only or Messenger Only; email on Growth or Email Only). WhatsApp, Instagram and Messenger open soon, once Meta's approval is through: reserve WhatsApp Only, Instagram Only, Messenger Only or Growth at no charge. | Voice, SMS, chat and WhatsApp calls. |
| Appointment booking | Books into real open times with a built-in calendar and two-way Google Calendar or Outlook (Microsoft 365) sync. | Through integrations such as Cal.com. |
| CRM and integrations | Built-in CRM (leads, customers, pipeline) on Starter and Growth; HubSpot, Pipedrive and GoHighLevel sync, Mailchimp and Klaviyo, Zapier, Make and n8n through signed webhooks, and a REST API on Growth; Slack, Teams and other team alerts, Google Sheets and read-only Shopify and WooCommerce order lookup on every plan. No native Salesforce connector yet (it connects through Zapier). | HubSpot, Salesforce, Zapier, GoHighLevel and more (200+ listed). |
| Human handoff / live people | AI hands off to your own team: live call transfer on every plan that answers calls, otherwise a detailed message and text alert. Take over any chat or message from the inbox. No staffed human receptionists. | Escalation to a human with custom routing logic. No staffed human receptionists listed. |
| Contracts, setup fees and trial | No setup fee, month-to-month, 14-day free trial with no credit card, 14-day money-back guarantee on the first payment. | Free to start building. Enterprise terms by contract. Setup fee and trial: Not published. |
Sources (checked September 28, 2026)
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Prices and features change; check each vendor's site. Trademarks belong to their owners. Competitor details come from each vendor's public website on the date shown and are provided for general comparison only. Frontivo.io is not affiliated with or endorsed by these companies.
FAQ
Frontivo.io vs Synthflow: FAQ
Straight answers about how Frontivo.io and Synthflow compare.
Synthflow is a platform for building voice AI agents. It is free to build on, with pay-as-you-go usage, and its pricing page lists enterprise contracts. Frontivo.io is an AI receptionist that answers phone calls, website chat and voice, text messages, WhatsApp, Instagram DMs, Facebook Messenger and email with one knowledge base and one inbox, on a flat monthly plan with usage included.
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