Zoom alternatives: a real comparison
Looking for a zoom alternative usually means one of a few specific things: a free option, one with no 40-minute wall, one you can run on your own infrastructure, or one that can handle a webinar. This page is not a top-10 listicle. It's one alternative examined plainly, including where Zoom still wins.
What people usually mean by "zoom alternative"
"Zoom alternative" isn't one search. It's several different people with different problems typing the same three words. Here's the breakdown.
A free zoom alternative
Castio is not free. It's a $500 one-time license (for the first 100 customers), plus the Cloudflare account it deploys into, which runs about $5 a month during RealtimeKit's current beta pricing. If you need genuinely free, Google Meet's free tier or Jitsi's self-hosted software cost nothing up front. Say that plainly instead of dressing up a paid product as free.
A zoom alternative with no time limit
Zoom's free plan caps group calls, and 1:1 calls, at 40 minutes. (Verified against current Zoom plan terms, August 2026.) Castio has no meeting-length meter at all, on any plan, because there's only one plan. See the full breakdown in the Zoom time limit guide.
A self-hosted zoom alternative
Zoom is a multi-tenant service you rent a seat on. Castio deploys into your own Cloudflare account: your domain, your D1 database, your data, gone the day you decide to stop paying anyone. Jitsi is the other real self-hosted option, and it's free, which is a genuine tradeoff worth reading below.
A zoom alternative webinar platform
Zoom's webinar capability is sold as a separate add-on, licensed per host, scaling with attendee count. Castio includes a webinar meeting type in the same license, no add-on purchase, though Zoom Webinars has years more polish for large-scale production events. If you're running a 2,000-person product launch tomorrow, that maturity gap is real. See section below.
How Castio is different, not better
Zoom is a hosted, multi-tenant service: one Zoom, shared by every customer, metered by minutes and seats. Castio is a self-hosted platform: it deploys into your own Cloudflare account, running on your infrastructure, under your domain, with your branding, and nobody else's data ever touches it.
The pricing shape is the real structural difference. Zoom charges per host, every month, forever. Castio charges $500 once, for the first 100 customers, and the only ongoing bill is your own Cloudflare usage, billed directly to your Cloudflare account, not to us.
Feature side-by-side
| Category | Zoom | Castio | Winner |
|---|---|---|---|
| Pricing model | Per host, per month, forever | $500 once (first 100), plus your own Cloudflare usage | Castio, past the first year or two of use |
| Meeting length limit | 40 min on free plan, 30 hr ceiling on paid | No meter, any meeting length | Castio |
| Branding and domain | Zoom's branding, zoom.us links | Your logo, your domain | Castio |
| Data residency | Zoom's infrastructure | Your own Cloudflare account | Castio |
| Webinar production maturity | Years of polish, dedicated events tier | Webinar meeting type, newer, fewer bells | Zoom |
| App marketplace and integrations | Hundreds of third-party apps | None yet | Zoom |
| Phone system integration | Zoom Phone, a mature separate product | Not offered | Zoom |
| Price at 1-2 hosts | ~$13-17/month per host | $500 up front is a bigger first bill | Zoom, in month one |
The four Zoom-wins rows above are real product gaps, not hedging. App marketplace depth and phone system integration are on the long-term roadmap; webinar production polish narrows with every release.
What the numbers actually say
Zoom Pro runs $16.99/month per host on monthly billing, or about $13.33/month per host billed annually (verified August 2026). Castio is $500 once, for the first 100 customers, plus roughly $5/month in Cloudflare Workers Paid fees during RealtimeKit's current beta pricing, regardless of host count. One host on Zoom Pro annual costs about $160 a year. The same host on Castio costs $500 up front and about $60 a year after that. If you're one or two hosts, Zoom is cheaper for a while. Once you have several hosts each needing their own paid Zoom seat, the per-seat total climbs past $500 faster than you'd think, while Castio's license covers every host you add at no extra charge.
When Zoom is the right choice
If you're one or two people hosting occasional calls, Zoom's ~$17/month Pro seat is cheaper than anything else on this page, full stop. Don't overthink it. Zoom also has the deepest ecosystem of any tool here: webinar features, phone system integration, and app marketplace depth that a small self-hosted platform won't match for years. If you need those specific things today, Zoom is the right tool.
When Castio is the right choice
Castio earns its setup effort once you have several hosts who all need to run meetings regularly under one brand: a coaching practice, a tutoring company, a small firm doing client calls, a consultancy that meets clients under its own name instead of Zoom's. The threshold is usually somewhere around three or more regular hosts, where per-seat pricing starts multiplying faster than a flat license. It also matters if owning your own meeting data, in your own Cloudflare account, is a requirement rather than a nice extra.
Questions people actually ask
What is a good alternative to Zoom?
Depends on what's driving the search. For free, Google Meet or Jitsi. For no time limit without paying per seat, or for owning your own branded platform, Castio. For deep webinar and phone system needs today, staying on Zoom is usually the right call.
Is there a free Zoom alternative?
Yes. Google Meet's free tier and Jitsi's self-hosted software both cost nothing. Castio is not free; it's a $500 one-time license plus your own Cloudflare costs.
Is there a Zoom alternative with no time limit?
Castio has no meeting-length meter on any plan. See the exact mechanics of Zoom's 40-minute cap in the Zoom time limit guide.
Is there a self-hosted Zoom alternative?
Two real ones: Jitsi, free and open source, and Castio, a $500 one-time license that deploys into your own Cloudflare account. Which one fits depends on whether you want to run the infrastructure yourself; see the Jitsi comparison for that tradeoff in detail.
Does Zoom have a webinar alternative platform?
Castio includes a webinar meeting type in its single license, no separate add-on purchase. Zoom's own Webinars and Zoom Events products are more mature for large-scale production events, at extra cost on top of a paid Zoom plan.
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