CastFox
Depends
Confidence: Medium
Buy if you pitch guests or buy podcast ads and need transcript-level search, chart rankings, and contact data.
Comparison
CastFox vs Podcastindex.org
CastFox and Podcastindex.org both land on Depends.
Podcastindex.org
Depends
Confidence: Medium
Developers building podcast apps or experimenting with Podcasting 2.0 should use it . the API is free and open.
| Compare | CastFox | Podcastindex.org |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | PR teams pitching podcast guests | Podcast app developers |
| Who it's not for | Casual listeners who just want a podcast player | Listeners wanting a podcast player app |
| Privacy | No known public vulnerabilities found in the sources reviewed; returned no security page.³ | No known public vulnerabilities found in the sources reviewed. |
| Support quality | No support evidence found | No support evidence in sources |
| Public sentiment | Independent reviews are scarce; Google Play shows 4.3/5 from 2,278 ratings, with at least one reviewer finding the search unhelpful.⁴ | Developers and indie podcasters treat the index as essential open infrastructure; complaints center on feed-update lag and uneven Podcasting 2.0 adoption.14 |
| Biggest gotcha | No public security page; enterprise procurement and data reviews will stall³ | Feed updates sometimes need manual nudging; indexing lag happens.15 |
Pick CastFox when
- PR teams pitching podcast guests
- Marketers vetting ad-target shows
- Agencies doing podcast research at scale
When CastFox is not a fit
- Casual listeners who just want a podcast player
- Podcasters tracking only their own show's stats
- Security-conscious enterprises needing vendor audits
- Anyone needing only title search . free directories do that
Pick Podcastindex.org when
- Podcast app developers
- Open-source players and tools
- Podcasting 2.0 / value-for-value experimenters
- Researchers mapping podcast ecosystems
When Podcastindex.org is not a fit
- Listeners wanting a podcast player app
- Teams needing SLAs or paid support
- Buyers wanting hosted analytics dashboards
- Anyone avoiding volunteer-run, donation-funded infrastructure
Sources
- CastFox . homepagecastfox.netofficial
- CastFox . AI Podcast Search feature pagecastfox.netofficial
- CastFox . Security page (not found)castfox.netsecurity
- CastFox - AI Podcast Agent . Google Playplay.google.comreview
- CastFox adopts Gemma 3n . Google DeepMind Gemmaversedeepmind.googleofficial
official
- CastFox . Capterra Canada listingcapterra.careview
- Research Any Podcast in 60 Seconds . YouTubeyoutube.comofficial
review
- AntennaPod forum: search beyond subscriptions (Podcast Index)forum.antennapod.orgreview
- API Docs | PodcastIndex.orgpodcastindex-org.github.ioofficial
- podcast-namespace docs 1.0github.comofficial
- Podcastindex.org GitHub orggithub.comofficial
- Anyone doing podcasting 2.0? (Reddit)reddit.comreview
- PodcastIndex.org API vs Taddytaddy.orgreview