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Castos vs RSS.com

Both do 1 of the same audio tools task. Below is what each says about its own limits and pricing, and how each ranks on signals we can measure or quote.

Disclosure: agathox makes some of the tools listed here. They are labelled and scored by the same method as every other tool.

A

Castos

Castos is the podcast hosting platform with private podcasting, monetization, and analytics built in. Start a 14-day free trial with free migration.

Signals score: 4.0 / 5 · not a hands-on test

Visit castos.com

B

RSS.com

Start your podcast free with RSS.com! Unlimited episodes, RSS feed, analytics, and tools to grow and monetize your show.

Signals score: 4.1 / 5 · not a hands-on test

Visit rss.com

Pricing, limits and privacy

Free tier
A: No free plan. Every plan has a 14-day free trial; a card is added at the start and not charged until the 14 days end.
B: Free plan at $0 with no trial or expiration: 1 audio podcast, unlimited episodes, downloads and storage, standard analytics, no team members, no monetization. A credit card is required before uploading a second episode, with no charge.
Paid plan
A: Monthly/annual in USD: Essentials $19/$190, Growth $49/$490, Pro $99/$990, Premium from $499/$4,990. Includes unlimited podcasts, episodes and downloads. Add-ons: extra private subscribers $50/month per 500, AI Assistant $10/month. No country-based pricing mentioned.
B: Plus $15 per month billed annually ($180); Pro $26 per month billed annually ($312); Max $37 per month billed annually ($444). Annual billing is described as 25% off. Whether monthly billing is offered is not stated. 30-day money-back guarantee on paid plans.
Signup
A: Account needed: the trial requires registering and adding a card.
B: Sign-up is required; the free plan is offered via a 'Sign up free' button.
Watermark
A: Not stated.
B: Not stated. The comparison table lists 'YouTube videos without RSS.com branding' as a feature but does not clearly show which tiers include it.
Where files go
A: Privacy page says Cloudflare stores podcast media, AssemblyAI generates transcripts and Anthropic generates AI show notes. Data may be processed in the U.S. and other countries. Cancelled accounts are kept for a limited, unstated period, then deleted.
B: Not stated. The privacy policy page fetched did not show any content describing storage, processing or retention.

From each tool's own pages, checked 2026-11-01. Prices and limits change; check the tool before you rely on them. Sources are listed on each tool's page.

Compare on a task

Neither tool has been hands-on tested on these tasks yet, and we do not guess. Open a task to see both ranked with every other tool.

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