Top 29 Callin Alternatives in 2026
66.7% positive · 6 user reviews FreemiumCallin.io delivers sub‑176 ms AI voice agents that can be white‑labelled, deployed on a custom domain without coding, and offer 99.9 % uptime, carrier‑grade redundancy, GDPR/CCPA compliance, encryption, multi‑carrier support, and pre‑built CRM/ITSM connectors.
We've ranked 29 Callin alternatives, including 24 with a free plan. Rankings are based on feature coverage and user feedbacks.
Top-rated alternatives include 008, Altnativ, and Voiceflow.
29 Callin Alternatives & Competitors, Ranked by User Reviews
Click Compare on any tool to compare it side-by-side with Callin.
#1
008
Voice AI platform that builds conversational agents in five clicks, automating support, sales, and billing calls. It integrates natively with CRMs and databases for real‑time actions, supports multi‑OS softphones, and records transcriptions for audits.
#2
Altnativ
AI voice platform manages 24/7 customer calls, routing, booking, and FAQs, integrating with existing VoIP, CRM, ERP, and calendars. It offers transcription, sentiment analysis, script enforcement, on‑prem/private‑cloud deployment with encrypted logs and audit trails, and an assistant for access.
#3
Voiceflow
Voiceflow enables teams to create, test, and deploy AI‑powered conversational agents across chat, voice, phone, and web without coding. Its visual editor, real‑time collaboration, and secure deployment pipelines streamline design, evaluation, and omnichannel rollout.
#4
Autocalls.ai
AI Voice Agents automates business phone calls using intelligent voice interactions, ensuring 24/7 customer engagement. It enhances communication, reduces human errors, supports multiple languages, and integrates with tools like calendars and CRMs for diverse industry applications.
#5
Millis AI
Millis AI offers a platform for creating advanced voice agents with ultra-low latency, enabling seamless interactions. It supports inbound and outbound calling globally and integrates with various services, making it ideal for customer support and virtual assistance.
#6
Nova Echo AI
Nova Echo AI is a voice‑AI platform that enables businesses to train, deploy, and manage conversational phone agents in 35+ languages, offering sub‑1.5‑second latency, handling 1,500+ calls per minute while integrating CRM, unified messaging, analytics, and customization.
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#7
enterprisebot.ai
Enterprise Bot unifies voice, email, and chat into a single AI engine, automating call routing, agent assistance, and self‑service chat. It integrates with CRMs and CCaaS, reduces manual effort, shortens handling time, and maintains security and compliance.
#8
Cognigy
Cognigy.AI delivers AI‑powered agents for voice, chat, and messaging that automate customer interactions across multiple contact‑center platforms. Real‑time translation, 99 % routing accuracy, up to 70 % handle‑time reduction, and AI Ops management streamline operations.
#9
11ai
11 ai is a voice assistant using ElevenLabs Agents that enables voice-driven task management, customer research, ticket updates, and team messaging via integrations with Perplexity, Linear, and Slack, supporting private MCP servers and fast voice cloning across 5,000+ voices.
#10
247.ai
24]7.ai Engagement Cloud is an AI-powered omnichannel CX platform for campaign management, conversation automation, generative AI, interaction analytics and agent assist, enabling personalized acquisition and self-service across web, chat, voice and video to improve resolution and efficiency.
#11
Deepgram Voice AI
Deepgram Voice AI offers real‑time and batch speech‑to‑text, text‑to‑speech, and voice‑agent APIs. It delivers low‑latency transcripts, natural‑sounding synthesis, and integrated conversation handling for contact centers, transcription, and podcasts, with cloud, on‑prem, and telephony support.
#12
Sigma AI
SigmaMind AI builds production voice agents without code, delivering sub‑800 ms latency and real‑time tool orchestration. It integrates with databases, CRMs, and APIs, and supports enterprise features like SOC 2 compliance, encryption, private cloud, and SIP trunking for scalable multichannel support.
#13
Callfluent ai
CallFluent AI is a cloud platform that creates no-code AI voice agents for inbound and outbound calls, offering 400+ neural voices in 40 languages, real‑time actions, webhook/API integration, automatic booking, SMS, CRM sync, recordings, transcripts, sentiment analysis, and low‑latency response.
#14
Collab.com
OneContact unifies voice, chat, WhatsApp, and social media into a single contact‑center interface, offering real‑time agent assistance, bot automation, sentiment analysis, quality monitoring, workforce optimization, and CRM integration for global scalability.
#15
Bland AI
Bland AI replaces legacy IVR with conversational AI, enabling no‑code configuration of voice, SMS, and chat agents for calls, scheduling, intake, logistics, and verification. It offers custom voices, SIP/API support, bulk dialing, real‑time monitoring, and compliance guardrails.
#16
visor.ai
Visor.ai delivers enterprise‑grade voice and chat agents that learn from business data, automate up to 85 % of interactions, and integrate natively with existing systems. It offers multilingual, human‑like responses, real‑time visibility, compliance safeguards, and analytics for actionable insights.
#17
Level AI
Level AI automates contact‑center QA, offers real‑time agent assistance, and analyzes every interaction for sentiment and themes. It tracks performance gaps, supports compliance with screen‑recording, and delivers contextual knowledge via Agent GPT to boost resolution and uncover upsell opportunities.
#18
Call an AI
Voice‑enabled AI chatbot works via phone, Zoom, Teams, and web, offering real‑time 24/7 conversations, scheduled calls, memory retention, and actions like emails, calendar events, and Notion notes. It supports business workflows, transcript recording, and custom personas via a developer API.
#19
Powered_By
Omnichannel AI agents trained on FAQs, transcripts, CRM notes and SOPs automate voice, email, chat and SMS support, sales and scheduling for SMBs, preserving brand tone, integrating with CRM/websites and improving response times and lead capture.
#20
One AI
OneAI’s AI Phone Call Agent automates phone, SMS, and WhatsApp campaigns with an AI‑native dialer, real‑time lead qualification, CRM integration, 5‑second callbacks, and detailed analytics for scalable, compliant sales outreach.
#21
Phonely
Phonely AI is an enterprise‑grade voice platform that handles up to 1 million calls, automates booking and CRM updates, and offers 1,000+ human‑like voices. It transcribes, summarizes, and analyzes conversations in 100+ languages while meeting SOC 2, GDPR, HIPAA, PCI, and CCPA.
#22
BlandAI
Bland AI replaces legacy IVR with conversational agents across voice, SMS, and chat, enabling automated call handling, scheduling, lead qualification, and data extraction. Self‑hosted, low‑latency deployment, real‑time monitoring, and compliance guardrails support high‑volume outreach in finance, healthcare, and more.
#23
PreCallAI
PreCallAI automates inbound and outbound calls with AI voice assistants and SMS bots for sales, booking, support, and lead follow‑up. It offers a no‑code flow designer, integrates with 200+ CRMs, supports 30+ languages, and delivers real‑time analytics and routing.
#24
Synthflow.ai
Synthflow automates inbound and outbound phone calls with natural‑language voice AI, qualifying leads, booking appointments, and resolving inquiries in real‑estate, hospitality, healthcare, BPO, and tech. It offers a visual flow builder, test center, and full SOC 2, HIPAA, PCI DSS, GDPR compliance.
#25
Brilo ai
Brilo AI deploys phone agents that handle inbound calls 24/7, automating scheduling, order tracking, and customer queries across e‑commerce, healthcare, and logistics. It transcribes calls, performs intent and sentiment analysis, provides post‑call summaries, and routes to humans when needed.
#26
Voice Design AI
Free text‑to‑speech platform supporting advanced AI models. Offers real‑time, natural‑sounding voice with emotion, multi‑language, and voice‑cloning. Users adjust pitch, speed, and parameters. API integration for podcasts, audiobooks, assistants, e‑learning, accessibility.
#27
CustomerIQ
CustomerIQ captures and transcribes emails, calls, and meetings from Gmail, Outlook, phone systems, and insurance AMS or Salesforce. It auto‑creates real‑time CRM records, drafts follow‑up messages, prioritizes actions, and offers coaching insights to improve response times and pipeline visibility.
#28
Vocads Survey
Vocads automates inbound/outbound calls, voicemail, follow‑ups, and surveys using AI agents built from templates and database‑driven dialogues. It supports 12+ languages, real‑time dashboards, 24/7 operation, and secure, multi‑channel deployment and integration.
#29
Insight7
Insight7 uses AI to convert recorded calls into actionable insights, providing automated analytics, quality scoring, real‑time queue metrics, customer journey mapping, revenue signals, AI coaching, and secure compliance, cutting manual analysis from days to minutes.