Voice Assistant Development
The best 50 Voice Assistant Development AI tools - Free & Paid
Explore 50 AI for Voice Assistant Development
Vapi is an AI tool that facilitates rapid voicebot development for various applications like customer support, sales, telehealth, etc. It provides features such as low-latency streaming, multilingual support, and customizable models to efficiently create sophisticated voice solutions.
Free trial
- $36
Voice.ai offers cloud‑and on‑prem AI voice agents for calls, scheduling, and queries, supporting 15+ languages. It provides text‑to‑speech, 10‑second voice cloning, real‑time voice change, noise filtering, and integrates with Salesforce, HubSpot, Zendesk, Slack. APIs and SDKs enable scalable deploym
Freemium
- $5/mo
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.
Free
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.
Freemium
Voicy.AI automates customer interactions for offline commerce, handling calls, texts, chat, and voice in real time. It integrates with POS and booking systems, supports SMS/Facebook Messenger, and scales personalized communication while lowering engagement costs.
Freemium
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.
Free
- $50/mo
Gemini is an AI assistant and chatbot provided by google based on Gemini LLM family. It provides access to Google's advanced AI systems with many features and integrations to help you with daily workflows and tasks."
Freemium
- $20
Voilà AI Assistant is a cross‑platform browser extension, desktop, and mobile app that uses GPT‑5 to summarize, rewrite, translate, and auto‑reply to emails, chats, PDFs, spreadsheets, and YouTube transcripts, while correcting spelling, grammar, tone and generating images from text.
Freemium
- $10/mo
Curious Thing AI offers customizable voice assistants Lucy and Sam for businesses. These assistants simplify communication, gather leads, manage calls, and provide multilingual support, resulting in enhanced customer service.
Free trial
ParakeetAI delivers real‑time interview answers, integrating with Zoom, Google Meet, Teams, HackerRank, and LeetCode. It transcribes spoken questions, generates responses via GPT‑5, GPT‑4.1 or Claude 4, records shared screens, logs notes, and supports multiple languages and mobile access.
Subscription
- $99.9/mo
Vocal Image is an AI-based coaching app that improves speaking skills through personalized voice assessments and targeted programs for speech recovery, accent reduction, and voice transformation, fostering a supportive community and offering educational content for users.
Free
ElevenCreative is an AI tool that generates ultra-realistic speech, videos, music, and sound effects, offering text-to-speech, voice cloning, and a library of pre-recorded voices for creating personalized content for various applications.
Freemium
- $5/mo
Voqal lets developers control IDEs, generate code, and run tasks with natural voice, no wake word. It offers edit mode, debug commands, live context data, and customizable AI back‑ends across IDEs and languages for hands‑free coding.
Freemium
Claude is an advanced AI assistant designed for a variety of tasks, including code generation, writing, productivity enhancement, and business automation. It is highly adaptable, intelligent, and customizable to meet diverse user needs.
Freemium
- $18/mo
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.
Subscription
Teacher AI offers 24/7 voice‑based conversation practice with AI teacher clones, instant transcription, on‑click vocabulary translations, audio playback, exportable word lists, and automatic fluency tracking for intermediate learners seeking daily speaking drills.
Free trial
Nextiva AI Customer Experience Platform unifies voice, video, chat, email, and social media into one interface, using XBert to automate routine interactions and route inquiries. It provides assistance, transcription, analytics, and integrates with Salesforce, HubSpot, Zendesk, Teams, and Google Work
Freemium
- $15/mo
Polyai is an AI-powered voice assistance tool that delivers brand experiences and accurate resolutions to customers in various industries.
Freemium
Verve AI Interview Copilot delivers real‑time support on Google Meet, Zoom, Teams, and Chime. It transcribes, detects questions, and suggests answers, offering specialized modes for behavioral, coding, assessments, and HireVue. Supports 25+ languages and aligns with resumes and role descriptions.
Freemium
- $17/mo
Coachvox delivers a 24/7 conversational AI that mirrors a coach’s unique style. It auto‑trains from books, articles, and session transcripts, offers customizable personality sliders, embeds on websites or dashboards, supports multiple languages, and provides analytics for content improvement.
Subscription
- $99/mo
Create, embed, and share personalized AI chat apps without coding using Dialogly. Seamlessly integrate and share GPT-enabled chat apps, fetch real-time data from external HTTP endpoints, customize app behavior with custom rules, automate tasks with Zapier, and extract textual data from URLs. Pricing
Subscription
AI‑powered roleplay coach for managers, sales teams, and new hires. It simulates performance reviews, sales pitches, and executive briefings, delivering real‑time, science‑based feedback on tone, filler words, and body language. Includes GDPR‑compliant video replay and customizable frameworks.
Subscription
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.
Freemium
Talkpal is an AI‑powered language tutor supporting 80+ languages with interactive modes like speaking, writing, call, photo, and roleplay. It provides real‑time feedback on pronunciation, grammar, and vocabulary, personalizes practice, tracks progress, and offers certificate‑ready assessments.
Subscription
- $4.68/mo
Alan AI is a cloud‑based platform that builds adaptive voice assistants via lightweight SDKs. It auto‑generates code for API calls, supports knowledge‑base imports, offers a visual workflow builder, and provides enterprise‑grade deployment options with multi‑model flexibility.
Freemium
- $1
Vocera is an AI voice agent testing tool that allows users to create custom datasets for evaluating voice AI across various scenarios, providing real-time monitoring, detailed logs, and insights for optimizing performance in applications like sales and customer support.
Freemium
Aissist delivers a digital workforce that automates service and sales workflows, offering end‑to‑end reasoning, native integration to major CRM platforms, omni‑channel support, multi‑agent collaboration, enterprise governance, and 65+‑language processing of text, image, video, and voice.
Freemium
- $0.05
AIVocal is an AI-powered vocal assistant for audio content creation, featuring podcast generation, multilingual voice synthesis, and voice cloning. It also offers transcription, vocal editing, AI vocal removal, and text-to-speech, available on mobile and desktop.
Free trial
The platform provides a suite of tools to create and manage an AI assistant with natural language processing, machine learning, and conversational AI features that can automate tasks like scheduling meetings and answering customer queries.
Freemium
- $40/mo
Wing Assistant embeds dedicated virtual assistants into existing tools, centralizing task visibility, status tracking, and documentation for real‑time oversight. It supports roles from executives to bookkeepers, enabling scalable operations without added payroll while maintaining SOC 2, HIPAA‑compli
Freemium
- $699/mo
Wondershare AI delivers end‑to‑end media creation: it turns scripts into spokesperson videos with multiple voices, generates music, offers real‑time transcription, AI audio cleanup, talking‑photo synthesis, PDF markup, text‑to‑image, multilingual video, object removal, and batch conversion.
Free
VoiceGPT lets Android users chat with ChatGPT via voice, offering hotword activation, multilingual input/output, and unlimited free messaging. It supports OCR for image text extraction, code execution in 70+ languages, and DALL‑E 2 image creation, all within a dark/light theme.
Free
TalkForce AI is a voice assistant that manages routine inquiries, schedules appointments, and handles cancellations. It provides 24/7 service, routes complex calls to humans, integrates with CRM, uses sentiment analysis, and automates booking workflows for multiple industries.
Freemium
- $50/mo
Voice Lab AI is a text-to-speech and voice cloning tool that generates realistic, expressive voices for audiobooks, voiceovers, and narration. It offers multilingual support, tonal nuance, and robust data security features like encryption and access controls.
Freemium
- $3/mo
Language Coach AI delivers personalized AI‑driven language coaching, providing instant speaking feedback and situational role plays. It offers white‑label integration for schools and publishers, auto‑generates curriculum‑aligned content, tracks progress, and supplies detailed analytics and support.
Free
Interview Optimiser delivers AI‑powered voice interview simulations. After uploading a CV and selecting a role, the system generates industry‑specific questions, adapts them in real time using prosody analysis, and produces a detailed feedback report with progress tracking.
Paid
- $4
Convai enables developers to create 3D conversational characters that perceive vision, voice, and gestures, integrate with Unity, Unreal, or WebGL, and are enriched via document uploads. It offers multilingual support, realistic animation, and scalable deployment across web, mobile, VR, and AR.
Freemium
Sensei AI delivers real‑time, one‑second AI answers during live video interviews. It ingests resumes and personal stories to provide context‑aware responses tailored to job roles, integrates with Zoom, Teams, Meet, and supports over 30 languages with custom tone settings.
Freemium
- $89/mo
GitHub Next Project: Write code without the keyboard using voice commands with GitHub Copilot.
Free trial
Hume AI offers emotion‑intelligent text‑to‑speech, real‑time speech‑to‑speech, and expressive voice cloning across 100+ languages. Developers use TypeScript, Python, .NET, or Swift SDKs to build voice‑design, stage‑direction, and emotion‑analysis features for content creation.
Freemium
- $3/mo
Jessica is an AI‑powered speech therapy assistant that uses speech recognition to assess patterns, offers on‑demand personalized practice, and delivers instant, data‑based feedback. It supports stuttering, dysarthria, aphasia, and sound disorders with an engaging avatar for users of all ages.
Paid
Vbee Aivoice is an AI text-to-speech platform that converts text into natural-sounding audio across multiple languages. It offers various voices, supports voice cloning, and provides MP3/WAV output, ideal for podcasts, e-learning, and audiobooks.
Freemium
Talkio AI is an AI‑driven language learning platform supporting 70 languages and 122 dialects. It offers voice conversations with pronunciation feedback, wordbooks, progress reports, and crosstalk mode for beginner comprehension. Schools and teams can deploy it securely in the EU.
Paid
- $15/mo
Voicepanel is an AI‑native research platform that lets teams design studies, instantly recruit from a 30 million‑user global panel, and collect voice, video, and text responses. It supports multi‑language prompts, real‑time analysis, and Slack integration for rapid insights.
Freemium
- $49
SpeakAI is an AI-driven language learning app with personalized paths and interactive exercises. Master dialogues for real-life situations, receive grammar suggestions, and engage with virtual partners for improved fluency. Choose from over 100 voices for an engaging learning experience.
Freemium
NAVI is an AI learning companion that creates personalized study plans, offers real‑time chat, instant feedback, and adaptive quizzes. It integrates tools for planning, multilingual practice, speech, lesson design, and visuals while providing analytics and goal tracking.
Freemium
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.
Free