PolyCast: Podcast Translator

Discover podcasts worldwide, switch between original and AI-localized audio, and follow every idea with sentence-aligned bilingual subtitles.

Hear the world in your own language.

Polycast is an AI-powered multilingual podcast app that helps you discover and understand great shows from around the world. On supported episodes, listen to an AI-localized track in a language you know and follow every idea with sentence-aligned bilingual subtitles.

DISCOVER PODCASTS WORLDWIDE Explore technology, business, news, history, culture, and more. Find shows by language and interest, then follow, save, or download the episodes you care about.

SWITCH BETWEEN ORIGINAL AND LOCALIZED AUDIO The original audio always remains available. Move between the original and an available localized track at any time while your playback position stays in sync.

AI LOCALIZATION DESIGNED FOR LISTENING Polycast combines speech recognition, speaker separation, translation, speech synthesis, and quality checks to create localized audio while preserving the original conversation structure, tone, and pace whenever possible.

SENTENCE-ALIGNED BILINGUAL SUBTITLES Read the source and translation together to understand details, terminology, and key ideas. Use them to absorb information efficiently or strengthen your listening skills.

A COMPLETE LISTENING EXPERIENCE Enjoy playback speed controls, background and Lock Screen playback, a listening queue, history, follows, favorites, and offline listening with Pro.

AI-generated audio and subtitles are clearly labeled. Available languages and localization features may vary by source language, audio quality, rights status, and service capability.

For support or content-rights questions, contact support@polycastfm.cn.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/