Apple Podcasts lets users follow shows, save episodes, and play podcast episodes in its web player.
Rephonic
Rephonic maps podcast audience connections using shared subscription data from Apple Podcasts.

About Rephonic
Rephonic is a web tool that maps connections between podcasts. It uses "Listeners Also Subscribed To" data displayed in Apple Podcasts to show which other shows tend to share an audience with a given podcast. Users search for a podcast by name and view the results as an interactive 3D graph. The graph shows a podcast's neighbours and also the neighbours of those neighbours. The homepage describes the graph as an experiment in visualizing these connections.
The homepage also promotes a paid-oriented service for agencies and brands. It describes access to listener numbers, demographics and contacts across more than 4 million shows, for guest pitching, ad placement and promo swaps. The homepage states that the connections exist for most shows, not all, and that the graph is best viewed on a desktop or tablet. A free trial is mentioned, but no pricing details are given.
Key features
- Interactive 3D graph of connections between podcasts
- Displays a podcast's neighbours and their neighbours' neighbours
- Name search with suggested starting podcasts
- Connections based on Listeners Also Subscribed To data from Apple Podcasts
- Listener numbers, demographics and contacts for agencies and brands, per homepage
- Podcast database for guest, PR, cross-promotion and sponsorship research
- Shows connections between podcasts that users may not have found otherwise
- Homepage states a free trial is available
- Best viewed on a desktop or tablet device, according to the homepage
- Connections are described as available for most shows, not all
- Described on the homepage as an experiment
Rephonic at a glance
- Website
- rephonic.com/graph
- Category
- Music & Audio › Podcasts
- Type
- Website
- Pricing
- Free trial
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Rephonic alternatives
Tools and sites you could use instead, ranked by how closely they match.
Search Podchaser's database of podcasts and episode credits, with audience and contact details for media research.
Podcast subscriptions can be managed with gPodder, an open-source media aggregator and podcast client.
Podchaser shows podcast chart rankings from platforms including Apple Podcasts and Spotify.
Podstatus displays Apple Podcasts and Spotify rankings by country and category, with show ranking lookup.
Grover Podcast is a Windows app for managing podcasts, available through the Microsoft Store.
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Rephonic FAQ
What data does the audience graph use?
Which devices does the homepage recommend for the graph?
Is there a trial?
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