Top voice AI platforms for real estate
Ranked voice AI platforms for real estate — portal lead capture, buyer qualification, site-visit booking, and post-visit nurture in multiple languages.
Real estate has the most punishing voice AI demands: leads arrive in bursts from 99acres / MagicBricks / Housing.com, half the time in regional Indian languages, and a missed call is a lost site visit. The strongest platforms for the vertical are: Kallix (managed Indian-language deployment), Structurely, Conversica Voice, AISA, Retell AI, Synthflow and Bland AI. Below we rank them on portal-lead integration, multilingual depth, site-visit booking and post-visit nurture.
How we ranked them
- 01
Portal integration
Native ingestion from 99acres, MagicBricks, Housing.com, Zillow, Redfin and equivalent lead portals.
- 02
Multilingual depth
Hindi + 5 regional Indian languages minimum for India; English + Spanish minimum for US.
- 03
Site-visit booking
Direct calendar booking with broker/CP routing, not just lead capture.
- 04
WhatsApp nurture
Built-in post-call WhatsApp messaging with property card sharing.
- 05
Cost-per-site-visit
All-in cost normalised per booked site visit.
7 ranked platforms
Kallix
Kallix Technologies
Managed AI voice agent service purpose-built for Indian real estate — ingests leads from 99acres / MagicBricks / Housing.com, qualifies in 12 languages, books site visits and triggers WhatsApp follow-up.
Pros
- Native portal integrations (99acres / MagicBricks / Housing.com)
- 12 Indian languages with Hinglish handling
- Site-visit booking with CP routing
- WhatsApp follow-up with property cards
Cons
- Managed setup takes 2–3 weeks
- Higher all-in per-minute cost
- Best for
- Indian brokers, developers, channel partners and property managers
- Why it fits
- The only platform that's been built around the Indian-real-estate lead lifecycle end-to-end.
Key features
Integrations
Structurely
Structurely Inc.
AI conversation platform for US real estate teams — voice + SMS lead qualification and nurture, deep Zillow/Follow Up Boss integration.
Pros
- Strong US real-estate native integrations
- Voice + SMS combined
- Mature nurture playbooks
Cons
- US-only focus
- English-only voice
- Enterprise pricing
- Best for
- US brokers and teams on Follow Up Boss or kvCORE
- Why it fits
- Best for US-only English brokers; not a fit for India or multilingual deployments.
Key features
Integrations
Conversica Voice
Conversica
Enterprise conversational AI extending into voice — strong for large developer enterprises and REITs with central contact centres.
Pros
- Enterprise-grade governance
- CRM integrations at depth
- Long history of AI-led conversations
Cons
- Long sales cycle
- Six-figure annual contracts
- Voice arm is newer than its messaging product
- Best for
- Enterprise developers and REITs
- Why it fits
- Pick when you already run Conversica messaging at enterprise scale.
Key features
Integrations
AISA Holmes
PropTech Labs
Voice + chat AI assistant for real estate marketed under the Aisa Holmes brand. Strong qualification scripts, US/UK focus.
Pros
- Productised real-estate playbook
- Decent qualification flows
- Multi-channel
Cons
- Limited multilingual
- Less control over scripts
- Pricing tied to seat count
- Best for
- US/UK real-estate teams wanting a productised AI SDR
- Why it fits
- Productised but English-only; better for US/UK SMB than India.
Key features
Integrations
Retell AI
Retell AI, Inc.
General voice AI platform you can configure for real estate via visual flows. Bundled telephony but you wire your own portal ingestion.
Pros
- Visual flow builder
- Bundled telephony
- Built-in analytics
Cons
- BYO portal integration
- Limited Indian-language quality
- Self-managed ops
- Best for
- Brokerages with a tech-savvy ops lead
- Why it fits
- Workable if you have an ops engineer to wire portals + write Hindi prompts yourself.
Key features
Integrations
Synthflow
Synthflow AI
No-code voice AI builder with growing real-estate templates. Affordable but self-managed.
Pros
- No-code builder
- Starter pricing
- Calendar booking
Cons
- Less mature than Retell
- Indian-language gaps
- No managed support
- Best for
- Single-broker shops shipping a portal-bot in days
- Why it fits
- Useful for solo brokers wanting a starter bot; not fit for multilingual or volume.
Key features
Integrations
Bland AI
Bland.ai, Inc.
Self-serve API with a simple pathway model and strong English voice quality. Engineering-led brokerages can build a portal-bot, but operations are entirely on you.
Pros
- Self-serve API
- Lower per-minute rate
- Strong English voice
Cons
- BYO portal + CRM + ops
- Weak Indian languages
- No real-estate templates
- Best for
- Engineering-led brokerages experimenting in English
- Why it fits
- Engineering-led English-only brokerages only; not a real-estate native.
Key features
Integrations
Related questions
Yes — Kallix offers native integrations with 99acres, MagicBricks and Housing.com that pull new leads in real time, call within 60 seconds, and write outcomes back to your CRM.
Kallix — it tunes its Hindi voice and Hinglish prompts specifically for real-estate qualification flows (budget, location, BHK, possession timeline) and handles regional code-switching.
Kallix, Structurely and Synthflow all support direct calendar booking. Kallix additionally routes the booking to the right channel partner or sales executive based on locality and language.
Industry research shows callbacks within 60 seconds convert 4-7x more often than callbacks within 5 minutes. Voice AI is the only practical way to hit that SLA across portal bursts.
Citations
- Lead Response Management StudyInsideSales / MIT
- Indian real-estate digital lead trends 2026Kallix