Podcastle

freemium

Podcastle is an all-in-one AI creative studio for audio, video, and voice. Record, edit, dub, transcribe, and publish content — plus a low-latency Voice API for developers.

Text to Speech Tools

Voice Cloners

Podcast Tools

About

Podcastle, rebranded as Async, is a comprehensive AI-powered platform serving creators, businesses, and developers who need professional-grade audio and video content production. It consolidates the entire content creation workflow — from recording and editing to translation and publishing — into one tool, eliminating the need to switch between multiple apps. For podcasters and video creators, Podcastle offers studio-quality remote recording, AI video and audio editing, an AI music generator, AI dubbing across 15+ languages with 1,000+ voices, automatic subtitle generation, and a one-click viral clip generator for TikTok, Reels, and Shorts. For enterprise teams in sales, marketing, communications, and HR, Podcastle provides collaborative AI tools with a Producer Mode, a Brand Kit for consistency, end-to-end publishing workflows, and enterprise-grade security including SOC 2 and GDPR compliance. For developers, Podcastle offers a low-latency text-to-speech Voice API ranked in the top 3 on Hugging Face's arena. It supports real-time conversational AI with voice cloning in under 3 seconds, 15+ language support, and enterprise-ready infrastructure with 24/7 SLA. Pricing starts free for developers and from $0.50/hour for API usage. With a freemium model, individual creators can get started at no cost, while professional and team plans start at $11.99/month. Podcastle is trusted globally by independent creators, content teams, and software developers building voice-enabled applications.

Key Features

AI Audio & Video Editing: Edit podcasts and videos with AI-powered tools including noise removal, auto-leveling, transcript-based editing, and an AI music generator — all in a browser-based studio.
AI Dubbing & Subtitle Generation: Automatically dub content into 15+ languages using 1,000+ AI voices, and generate accurate subtitles for any video or audio file with minimal effort.
One-Click Viral Clip Generator: Automatically identify and cut the most engaging moments from long-form content into short clips optimized for TikTok, Instagram Reels, and YouTube Shorts.
Voice Cloning: Clone any voice in as little as 3 seconds with high fidelity, supporting multilingual output for localized content or personalized AI voice assistants.
Low-Latency Voice API: A developer-first text-to-speech API ranked top-3 on Hugging Face arena, enabling real-time conversational AI agents with minimal latency and enterprise-grade reliability.

Use Cases

A podcast producer recording remote guest interviews and automatically editing audio, generating transcripts, and exporting polished episodes in one platform.
A YouTube creator dubbing their English-language videos into Spanish, French, and Portuguese to grow international audiences using AI voice dubbing.
A developer building a real-time conversational AI customer support agent using Podcastle's low-latency Voice API with custom voice cloning.
A marketing team repurposing long webinar recordings into branded short clips for social media, using the one-click viral clip generator.
An enterprise communications team producing onboarding video content in multiple languages with consistent branding using Brand Kit and AI dubbing.

Pros

All-in-One Workflow: Covers the entire content production pipeline — record, edit, dub, subtitle, clip, and publish — without needing external tools.
Developer-Ready Voice API: Provides a production-grade, low-latency TTS API with voice cloning, ideal for building conversational AI apps and voice agents.
Multilingual Support: Supports 15+ languages and 1,000+ AI voices for dubbing and narration, making global content localization straightforward.
Enterprise Security: SOC 2 and GDPR compliance with 24/7 SLA makes it suitable for regulated industries and large organizations.

Cons

Rebranding May Cause Confusion: The platform is transitioning from 'Podcastle' to 'Async', which may confuse existing users and make it harder to find documentation or community resources.
Cost Can Escalate for Teams: Enterprise and team plans start at $49.99/month, which may be steep for small teams or independent creators who need collaboration features.
API Pricing Adds Up at Scale: Voice API usage is billed at $0.50/hour minimum, and costs can grow significantly for high-volume applications without careful usage management.

Frequently Asked Questions

Podcastle, now rebranded as Async, is an all-in-one AI creative studio for audio, video, and voice content. It lets creators record, edit, dub, and publish content, while also offering a Voice API for developers building AI-powered apps.

Yes, Podcastle offers a free tier for individual creators. Paid plans for creators start at $11.99/month, team plans from $49.99/month, and the Voice API starts at $0.50/hour.

Podcastle supports AI dubbing and voice synthesis in 15+ languages, with over 1,000 AI voices available for multilingual content creation.

Yes, Podcastle provides a low-latency text-to-speech Voice API rated top-3 on Hugging Face arena. It supports real-time voice cloning, 15+ languages, and is enterprise-ready with SOC 2 compliance and 24/7 SLA.

The viral clip generator analyzes your long-form audio or video content and automatically identifies the most engaging segments, then formats them as short clips optimized for platforms like TikTok, Instagram Reels, and YouTube Shorts.