Captivate.fm is one of the better-known subscription tools in its space — and at $19/mo (Personal, 30k downloads/mo; $49/mo Professional), one of the recurring line items people most often look to replace. If you're searching for a Captivate.fm alternative you pay for once and own forever, Castport is the OneTimeSuite answer: $39, one time.
Why people go looking for an alternative
Captivate.fm runs $19/mo (Personal, 30k downloads/mo; $49/mo Professional), and like most SaaS the bill never stops — cancel and you typically lose access to your own history. That's roughly $684 over three years. Castport flips that model: Upload episodes, get a valid RSS feed, public pages, embeddable player & download stats. Pay once.
What Castport covers
- Unlimited shows & episodes — Each show gets its own artwork, iTunes category, language, explicit flag and custom feed slug. No per-show pricing tiers.
- Apple/Spotify-valid RSS — RSS 2.0 with the full itunes namespace, exact enclosure byte lengths, permanent GUIDs and valid pubDates — the details that actually get feeds rejected, done right.
- Streaming uploads — MP3 or M4A streamed straight to disk — no buffering 200 MB files in memory — with markdown show notes, episode/season numbers and per-episode artwork.
- Podcasting 2.0 chapters — A chapters editor (start time + title) that also emits the podcast:chapters JSON endpoint modern apps read.
- Scheduling — Set a future publish date and the episode stays hidden from the feed and public pages until then — no cron job needed.
The honest trade-off
Captivate.fm will keep shipping features, integrations and managed infrastructure that a pay-once tool won't chase — if that ecosystem is genuinely load-bearing for your workflow, staying is a fair call. For the core job, the math favors owning the tool: $39 once against $19/mo (Personal, 30k downloads/mo; $49/mo Professional) forever. Pays for itself in 2.1 months against Transistor Starter — or under a month against Growth. Over 3 years you keep $645–3,525.
Also worth reading
Castport's main head-to-head is with Transistor — see the detailed comparison or the product page for the full feature list, FAQ and demo video.
Try Castport — $39, once
Upload episodes, get a valid RSS feed, public pages, embeddable player & download stats. Pay once.