Audio tools / Compare
Castos vs RedCircle
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.comB
RedCircle
RedCircle connects brands with the podcast audiences their customers trust and gives creators everything they need to grow and monetize.
Signals score: 4.1 / 5 · not a hands-on test
Visit redcircle.comPricing, 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 Core plan: 1 podcast, with unlimited storage, bandwidth, episodes and downloads. Standard support within 72 hours. No team seats.
- 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: Growth $14.99 per month, Pro $29.99 per month, Enterprise $99.99 per month, with a monthly or yearly toggle. Yearly savings are shown ($60, $60, $240) but yearly totals are not stated. A 7-day free trial is mentioned.
- Signup
- A: Account needed: the trial requires registering and adding a card.
- B: Not stated. Every plan links to sign-up, but the page does not say an account is required for the free plan.
- Watermark
- A: Not stated.
- B: Not stated.
- 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 for uploaded podcast files. The privacy policy covers personal data, says it may be transferred outside the user's country, and mentions cloud hosting such as Amazon Web Services. Retention of uploaded content is not stated.
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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