# Castbox

> Best free podcast app for Apple iOS and Android

Market: United States
Main language: en
Traffic rank (Tranco): #6,045
Kind of site: podcast
Topics: Technology, Music
Last updated: 2026-09-09

## Best for
- awareness · entertainment (medium): Podcast listeners use the Castbox app, and audio ads and Editors' Picks promos reach them while they listen.
- product launch (medium): The Editors' Picks feature helps a new show or audio product get found in the app.

## Ad spots
- Companion banner ads — Responsive display ad · bought via: Sales team, Direct
- Email advertising — Responsive display ad · bought via: Sales team, Direct
- High-impact display & rich media — Responsive display ad · bought via: Sales team, Direct
- Homepage banner / Editors' Picks feature (creator promo) — Responsive display ad · bought via: Request a quote, Direct
- Native ads / sponsored posts / brand integrations — Responsive display ad · bought via: Sales team, Direct
- Podcast audio ads (pre / mid / post-roll) — Responsive display ad · bought via: Sales team, Direct
- Sponsored readings (host-read) — Responsive display ad · bought via: Sales team, Direct

Rates, exchanges and minimum spend are on the full listing for signed-in accounts.

## About
Millions of podcasts for all topics. Listen to the best free podcast on Android, Apple iOS, Amazon Alexa, Google Home, Carplay, Android Auto, PC. Create...

Castbox is a podcast app carrying over 259,000,000 volumes of audio content across Apple iOS, Android, Amazon Alexa, Google Home, Carplay, Android Auto and PC, featuring shows such as The Joe Rogan Experience, Casefile True Crime, Crime Junkie and Up First from NPR.

Advertising formats listed for podcasters and marketers include podcast audio ads placed pre-roll, mid-roll or post-roll, sponsored host-read readings, companion banner ads, email advertising, a homepage banner through an Editors' Picks feature, and native ads and brand integrations.

## Links

Full listing: https://adspotfinder.com/castbox
Website: https://castbox.fm/
About this data: https://adspotfinder.com/llms.txt