Head-to-head comparison
Castbox vs iHeartRadio for Podcasters
Two of the distribution tools podcasters reach for. Here's how they differ on pricing, features, audience, and the trade-offs that actually matter day-to-day.
Global listening app with deep discovery and built-in monetization for hosts.
Best for: Global listening reach
Submission gateway for one of the largest North American audio networks.
Best for:
At a glance
The honest trade-offs
Castbox
Pros
- Free distribution to a global listening audience
- Built-in paywall and premium subscriptions
- Strong listener presence across Asia-Pacific
Watch-outs
- Creator features require a Premium account
- Paid-content buyer pool is small vs. Patreon
- Discovery algorithm is opaque for new shows
iHeartRadio for Podcasters
Pros
- Reaches in-car and smart TV listeners
- Available across 250+ device categories
- Strong North American footprint for ad pitches
Watch-outs
- Manual review can take one to three weeks
- Discovery favours owned-and-operated shows
- Geo-limited to a handful of markets
Which one should you pick?
Pick Castbox if
You’re building around global listening reach. Castbox is trying to be both a listening app and a creator monetization stack, which means it's a decent place to be discovered and a mediocre place to actually earn. Premium content gating works, but the buyer base is small.
Pick iHeartRadio for Podcasters if
You’re building around . iHeartRadio's directory is worth submitting to mainly because of where it shows up: in-car dashboards, smart TVs, Roku, Xbox. Listeners on those surfaces rarely use a dedicated podcast app, and iHeart is often the default.
Also worth comparing
Or see all Castbox alternatives.
Frequently asked
What does Castbox do better than iHeartRadio for Podcasters?
Castbox's standout is "Free distribution to a global listening audience". iHeartRadio for Podcasters doesn't make that promise — it leans into "Reaches in-car and smart TV listeners" instead. If the first sentence describes your workflow, pick Castbox; if the second does, pick iHeartRadio for Podcasters.
What are the trade-offs?
Castbox: creator features require a premium account. iHeartRadio for Podcasters: manual review can take one to three weeks. Whether either matters depends entirely on what you actually need — neither is a deal-breaker by itself.
Do they support the same platforms?
Castbox works on iOS, Android where iHeartRadio for Podcasters doesn't. If you're on a specific OS or device, that may decide for you.
Can I use Castbox and iHeartRadio for Podcasters together?
Both are distribution tools so most teams pick one. Some workflows do combine them — for example, using Castbox for one show or episode type and iHeartRadio for Podcasters for another. Worth trying both free tiers before committing.