Listnr vs Vapi

A side-by-side look at Listnr and Vapi — pricing, features and where each one wins. Both are reviewed independently on Curata AI.

ListnrVapi
SummaryAI voice generator with 1,000+ voices across 142+ languages for shorts, YouTube, gaming and podcasts.Enterprise-grade voice AI platform for building, testing and deploying AI phone agents with sub-500ms latency at scale.
PricingFreemiumPaid
CategoryVoiceVoice
PlatformsWebWeb, API
Key features
  • 1,000+ AI Voices
  • Voice Cloning
  • Speech Styles
  • Multi-Voice Editor
  • Custom Pronunciations
  • 142+ Languages
  • Voice AI agent builder (voice, LLM and STT/TTS configuration)
  • Sub-500ms latency real-time voice pipeline
  • Bring-your-own or platform-billed STT/LLM/TTS providers
  • Native US phone numbers plus Twilio/Telnyx/Vonage SIP integration
  • Real-time call monitoring and post-call analytics
  • Webhooks, function calling and tool integrations
  • Enterprise compliance: SOC 2, HIPAA, PCI DSS, SSO, RBAC
Pros
  • Very large voice library across many languages
  • Budget-friendly annual pricing versus studio-oriented competitors
  • Multi-voice editor for conversational audio
  • Strong Product Hunt reception (#1 Product of the Day, Golden Kitty win)
  • Proven at serious scale — Vapi reports 1B+ calls handled and 99.9% uptime for enterprise customers
  • Bring-your-own-provider flexibility avoids lock-in to a single STT/LLM/TTS vendor
  • Deep telephony integrations (Twilio, Telnyx, Vonage) plus free native US phone numbers
  • No long-term contract required on the self-serve Build plan
  • Strong enterprise trust signals — customers include Amazon Ring, Intuit, ServiceTitan and New York Life
Cons
  • Voice realism generally trails ElevenLabs at the top end
  • Annual-only pricing display makes month-to-month budgeting less clear
  • Less enterprise tooling (SSO, seats, compliance) than larger platforms
  • The advertised $0.05/min rate is only the Vapi platform fee — real all-in cost with STT+LLM+TTS+telephony typically lands around $0.30+/min
  • No self-service cancellation — removing a payment method or closing an account requires emailing support or posting on Discord
  • Marketed as accessible, but building a production-grade agent still requires real engineering effort
  • International phone numbers are not free and cost more than US numbers
  • Independent reviews report sparse documentation and slow support response on the self-serve tier

Read the full Listnr review

Listnr is an AI voice generator built around a large library of 1,000+ voices in 142+ languages, with voice cloning, speech styles, custom pronunciations and a multi-voice editor for creating conversations in a single audio file. It targets creators making short-form video, YouTube voiceovers, game character voices, podcasts and audiobooks, and is positioned as a budget-friendly alternative to studio-oriented voice platforms.

Read the full Vapi review

Vapi is a developer-first voice AI platform for building, testing and deploying AI phone agents in production. Agents are assembled from a voice, an LLM, and a speech-to-text engine — Vapi supports bringing your own provider API keys or paying providers at cost through the platform — wired into a real-time pipeline built for sub-500ms latency and enterprise call volume. It ships native US phone numbers plus SIP/telephony integration with Twilio, Telnyx and Vonage, real-time call monitoring and post-call analytics, webhooks and function calling for connecting agents to external tools, and AI guardrails to reduce hallucinations. Vapi reports handling over 1 billion calls with 99.9% uptime for enterprise customers, 2.5M+ agents launched and 750K+ developers on the platform, with customers including Amazon Ring, Intuit, ServiceTitan and New York Life. The self-serve Build plan is usage-based with no monthly minimum; the Scale plan is a custom annual contract for enterprises needing committed volume, SOC 2/HIPAA/PCI compliance, SSO, RBAC and a dedicated account team.