Audio tools / Compare
Castos vs Simplecast
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
Simplecast
Say hello to the modern podcast hosting, distribution, and analytics platform. Simplecast remains the easiest way for podcasters to publish audio to the world—with one-click publishing to Apple…
Signals score: 3.9 / 5 · not a hands-on test
Visit www.simplecast.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: No free tier listed. All plans include a 14-day trial; the page says no credit card is required.
- 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: Basic $15/mo ($13.50/mo if prepaid annually), 20K downloads/month. Essential $35/mo ($31.50/mo prepaid annually), 50K downloads/month. Professional and Enterprise add-ons: no price, contact sales.
- Signup
- A: Account needed: the trial requires registering and adding a card.
- B: Not stated. Trial buttons link to a signup page.
- Watermark
- A: Not stated.
- B: Not applicable.
- 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: Privacy policy does not say where uploaded audio is stored. It mentions a cloud hosting environment and says personal data is transferred to the United States. Client data is kept for the duration of the account plus time needed for business and legal reasons.
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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