AI Voice Assistants

The 20 AI Voice Assistants tools on HokAI, compared on capability, pricing and compliance. Independently verified.

What is in AI Voice Assistants

HokAI tracks 20 active tools in AI Voice Assistants. 18 of them (90%) publish a free tier you can test before paying.

AI Voice Assistants — Tools

  • AssemblyAI — The best way to build Voice AI apps with production-ready speech recognition and understanding models
  • Deepgram — Real-time voice AI APIs for developers: speech-to-text under 300ms, TTS, and voice agents. Used by 200,000+ developers.
  • ElevenLabs — The leading AI voice platform for text-to-speech, voice cloning, and conversational AI agents
  • FlowSpeak — AI English speaking coach with instant pronunciation and fluency feedback, structured lesson Pathways, and dedicated IELTS prep.
  • Forevermore — Forevermore records unlimited family voice stories and builds Essence, an AI memory companion, rated 4.7/5 from 359 App Store reviews.
  • Krisp AI — Removes background noise from calls in real time, with optional meeting recording, transcription, and summaries.
  • KugelAudio — European TTS API with 39ms first-audio latency, 40+ languages, GDPR compliance, and a 78% human preference win rate over ElevenLabs. Free tier available.
  • Marr Labs — Vox, Marr Labs' phone agent, answers calls in under 1 second and enforces TCPA and HIPAA compliance live for regulated industries.
  • Murf AI — Ultra-realistic AI Voice Generator with fastest text-to-speech API for voice agents and creators
  • Play.ht — [DISCONTINUED] Play.ht was an AI text-to-speech platform with 900+ voices in 142 languages. Meta acquired the company in 2025 and shut it down completely by year's end. See TechCrunch and Meta's official announcement for proof.
  • Plivo — AI voice agents layered on Plivo's own carrier-grade telephony, billed at $0.03 per agent minute plus metered telephony fees.
  • Podcas — AI podcast generator that turns any topic, article, or PDF into a finished episode in minutes with 1,000+ lifelike voices.
  • Resemble AI — Generative voice AI and deepfake detection for enterprise trust
  • Retell AI — Retell AI builds and deploys realistic AI phone agents with 600ms latency, handling 50M+ monthly calls, and HIPAA/SOC 2 compliance. Rated 4.8/5 on G2 by 1,414 teams.
  • Rev AI — Speech-to-text API transcribing at $0.003/minute across 58+ languages, trained on 3M+ hours with optional human transcription at $1.99/minute for 99%+ accuracy.
  • Rootle — Voice AI platform automating sales, support, and recruitment calls in 20+ Indian languages, with first 100 calls free.
  • Siri AI — Apple's free, rebuilt conversational assistant runs a custom 1.2 trillion-parameter Google Gemini model and ships with iOS 27 in fall 2026.
  • Skilly — Voice-first AI tutor for macOS that watches your screen, points its cursor at UI elements, and teaches Figma, Blender, and After Effects.
  • Speechmatics — Speech-to-text API from Cambridge UK covering 55+ languages. Medical model at 93% accuracy, on-prem deployment. Free 4 hrs/month, on-demand from $2.75/hr.
  • Weekend — Weekend turns 4 smart TV platforms, Roku, Fire TV, Samsung and LG, into voice-controlled AI game consoles for Jeopardy!, Wheel of Fortune and Song Quiz.

Where these tools run

Across the 20 AI Voice Assistants listings, 18 run in the browser, 4 ship a Windows build, 7 ship a macOS build, 10 offer a mobile app. Check platform support before shortlisting — it is the constraint most often discovered late.

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Frequently asked questions

How many tools are there in AI Voice Assistants?

HokAI currently lists 20 active entries in AI Voice Assistants. Each is verified against the vendor's own pages and re-checked as those pages change, so the count moves as the category does.

Which tools are listed under AI Voice Assistants?

AssemblyAI, Deepgram, ElevenLabs, FlowSpeak and Forevermore, among the 20 entries in this section. Each links through to a full profile covering what it does, how it is priced where that is published, and how it compares with the alternatives in the same category.

Are there free AI Voice Assistants options?

Yes — 18 of the 20 listings in AI Voice Assistants publish a free tier. Free tiers here usually cap usage volume or hold back the higher-end features rather than expiring, so they suit evaluation before committing.

Do AI Voice Assistants tools work on mobile?

10 of the 20 listings in AI Voice Assistants offer an iOS or Android app; 18 run in the browser, which in practice covers mobile through a responsive interface even without a native app.