AI voice agent alternatives

Outgrown your current AI receptionist or answering service? Here is an honest look at where Stellar fits as a replacement, and what you gain by switching.

Alternative to

Synthflow

Drag-and-drop builder with broad integrations, but limited AI learning capabilities and no multi-agent pipelines.

Alternative to

Smith.ai

Premium hybrid receptionist that blends AI with live human agents. Inbound answering and intake, priced per call, so costs climb with volume.

Alternative to

Goodcall

Affordable no-code AI phone agent for local service businesses. Strong inbound answering, but appointment handling leans on preset rules rather than live calendar booking.

Alternative to

Rosie

Budget-friendly AI answering service for small and home-services businesses. Quick website-scan setup, but inbound only and calendar booking is gated to higher plans.

Alternative to

Avoca AI

Enterprise AI front office for high-volume HVAC, plumbing, and electrical operations. Deep ServiceTitan integration and CSR coaching, but sales-led and priced for mid-market and up.

Alternative to

Sameday AI

Home-services AI answering and booking with flat-rate pricing and deep ServiceTitan integration. Inbound and booking focused, with demo-based pricing.

Looking for a side-by-side feature breakdown instead? See all Stellar comparisons.