Compare 10 options for tasks you use Simple Phones for. Their feature coverage differs; check the summaries and plan details. AI voice agent handles your business calls 24/7
| Tool | Pricing | Score | API | Ongoing free tier | Self-hosting |
|---|---|---|---|---|---|
| Simple Phonesthis one AI voice agent handles your business calls 24/7 | Freemium | 1 | Yes | No | No |
| Retell AI Build AI voice agents for phone conversations | Freemium | 74 | Yes | Yes | Yes |
| AVA Open-source AI voice agent for Asterisk phone systems | Free | 7 | Yes | Yes | Yes |
| OneAI AI phone agent platform for automated sales and customer service | Contact | 1 | Yes | Unknown | No |
| Dasha Voice AI for handling customer calls at scale | Freemium | 0 | Yes | Unknown | No |
| Voice.ai AI voice agents and audio tools for business and creators | Freemium | 5 | Yes | Unknown | Unknown |
| ConvoStack AI voice agents that handle business calls end-to-end | Contact | 12 | Yes | Unknown | No |
| Coachvox AI AI coach trained on your voice and methods | Paid | 8 | Unknown | Unknown | No |
| Steno AI Twins that speak for you 24/7 | Contact | 1 | Yes | No | No |
| Yobi AI agents that handle calls, texts, and appointments for your business | Paid | 14 | Unknown | Unknown | No |
| Quickchat Build AI support agents that close deals | Freemium | 1 | Yes | Unknown | No |
Retell automates inbound and outbound phone conversations with AI agents that sound natural and human-like. Handle appointment booking, customer service, lead qualification, and more. Deploy on Twilio or Vonage infrastructure, or on your own servers for enterprise security.
AVA brings AI-powered voice automation to Asterisk and FreePBX, letting businesses handle inbound calls with natural language conversations. Deploy with your choice of speech-to-text and AI providers, or run everything locally on your infrastructure for complete privacy. Designed for telecom engineers and system administrators who need flexible, vendor-independent voice agents.
OneAI automates phone-based business communications with AI agents that handle outbound prospecting, inbound support, and meeting scheduling at scale. The platform integrates with major CRMs to qualify leads, warm-transfer prospects to sales teams, and optimize calling campaigns through continuous testing. Built for sales teams and contact centers seeking improved efficiency and lead contact rates.
Dasha is a platform for developers to build conversational voice AI agents that handle phone calls automatically. It supports 30+ languages with sub-second response times and works with any LLM—Claude, GPT, Gemini, or your own. Ideal for customer service, sales, and automated calling workflows.
Voice.ai is a platform for creating AI-powered voice agents that automate customer calls, combined with text-to-speech, voice cloning, and voice-changing capabilities. Designed for businesses automating support interactions and content creators producing audio content. The platform supports 15+ languages with enterprise-grade security including GDPR and HIPAA compliance.
ConvoStack is a voice agent platform that automates inbound call handling for businesses. It uses conversational AI to answer calls, understand caller intent, collect information, and route complex issues to human agents with full context preserved. Built for customer support, lead qualification, scheduling, and after-hours coverage without human availability gaps.
Coachvox creates an AI assistant that mirrors your expertise, voice, and coaching style. It handles client conversations 24/7, qualifies prospects, and bridges gaps between sessions. Deploy in under an hour with no coding required.
Create an AI clone trained on your expertise and voice. Deploy across platforms to automate customer conversations, consultations, and engagement—at scale and in your authentic style, without constant involvement.
Yobi deploys autonomous AI agents to manage customer communications across calls, SMS, social media, and web chat. It schedules appointments, updates records in CRM systems automatically, and routes complex issues to human staff when needed. Built for healthcare, hospitality, and professional services.
Quickchat lets you create AI agents that handle customer conversations across multiple channels—from website chat to WhatsApp and Slack. Unlike simple chatbots, these agents resolve issues independently or hand off to humans when needed, backed by custom knowledge bases and API integrations with Shopify, Stripe, and more. The pay-per-resolution pricing means you only pay when AI actually solves the problem.