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Castr vs Demio: Which Webinar Software Is Better in 2026?

Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.

Castr
Castr
Rating
,
Reviews
0
From
Custom

in Webinar Software

Demio
Demio
Leads 3/9
Rating
,
Reviews
0
From
$59/mo

in Webinar Software

Jump to scorecard Ask SIA

The Short Answer

Castr vs Demio, in 15 seconds

Choose Castr if…

  • You prefer Castr's approach and ecosystem

Choose Demio if…

  • You want the lower entry price
  • You want deeper AI and automation features
  • You need the broader feature set

Head-to-Head Scorecard

How Castr and Demio score

Demio leads on 3 of 9 measured dimensions.

  • Customer Rating

    Average score from verified user reviews

    Even
    Castr
    No reviews
    Demio
    No reviews

  • Review Volume

    Number of verified reviews, a proxy for adoption

    Even
    Castr
    0
    Demio
    0

  • Entry Pricing

    Lowest published starting price (free plan = lowest)

    Demio
    Castr
    Custom
    Demio
    $59/mo

  • Free Access

    Availability of a free plan and/or free trial

    Even
    Castr
    Free trial
    Demio
    Free trial

  • Integrations

    Number of listed third-party integrations

    Even
    Castr
    6
    Demio
    6

  • Features

    Number of listed product capabilities

    Demio
    Castr
    0
    Demio
    6

  • AI Features

    Capabilities mentioning AI, automation or ML

    Demio
    Castr
    ,
    Demio
    1

  • Security & Compliance

    Number of listed compliance certifications

    Even
    Castr
    2
    Demio
    2

  • Platforms & Deployment

    Supported platforms and deployment options

    Castr
    Castr
    4
    Demio
    3

Feature Comparison

Castr vs Demio feature breakdown

Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.

Castr
Demio
Overview
User rating
,
,
Pricing model
Quote-based
SUBSCRIPTION
Starting price
Custom
$59/mo
Free version
Free trial
Features
Key capabilities
,
Live & automated webinarsBrowser-based (no download)Registration & remindersEngagement & featured actionsAnalyticsMarketing integrations
AI features
,
Live & automated webinars
Integrations & API
Integrations
YouTubeFacebookLinkedInTwitchZoomVimeo
HubSpotMarketoActiveCampaignMailchimpSalesforceZapier
Public API
Platforms
Deployment
CloudSaaS
Cloud
Platforms
WebAPI
WebAPI
Mobile support
Security & Compliance
Compliance
SOC 2GDPR
SOC 2 Type IIGDPR
Vendor
Company
,
,
Verified
Founded
2016
2015
Headquarters
Dover, Delaware, USA
Austin, Texas, USA

Pricing Comparison

Castr vs Demio pricing

Entry pricing, plan tiers and the cost factors that shape total cost of ownership.

Castr

Custom to start
ProfessionalCustom
  • pre-recorded live
  • multistreaming
  • Integrations
  • Standard support
EnterpriseCustom
  • video hosting
  • OTT and paywall
  • Advanced security and controls
  • Everything in Professional

Demio

$59/mo to start
Starter$59/month
  • Up to set registered attendees
  • Standard webinar rooms
  • Email reminders
  • Core engagement tools
Growth$109/month
  • More registered attendees
  • Automated webinars
  • Custom branding
  • Advanced analytics
PremiumCustom
  • Highest attendee limits
  • Multiple hosts & rooms
  • Priority support
  • Advanced features

Total cost of ownership factors

Free planCastr Demio
Free trial to evaluateCastr Demio
Transparent published pricingCastr Demio
Public API (build vs. buy add-ons)Castr Demio

Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.

Pros & Cons

Castr vs Demio: strengths and trade-offs

Castr

Pros

  • Free trial offered
  • Compliance: SOC 2, GDPR
  • Public API available

Cons

  • No free plan
  • Pricing is quote-based (less transparent)

Demio

Pros

  • Free trial offered
  • Compliance: SOC 2 Type II, GDPR
  • Stronger AI / automation features
  • Public API available

Cons

  • No free plan

Buyer Fit

Who should use Castr vs Demio?

Startups

Demio

Demio keeps early-stage costs lowest with its entry tier.

Small businesses

Demio

Demio offers the most accessible pricing for lean teams.

Agencies

Demio

Demio connects to more tools for multi-client workflows.

Enterprises

Demio

Demio leads on compliance and breadth for complex needs.

Ecommerce

Demio

Demio integrates with more of the commerce stack.

SaaS companies

Demio

Demio is the more developer- and automation-friendly choice.

Integration overlap

Only in Castr (6)

YouTubeFacebookLinkedInTwitchZoomVimeo

Only in Demio (6)

HubSpotMarketoActiveCampaignMailchimpSalesforceZapier

Keep Exploring

Other alternatives worth considering

Similar webinar software products buyers compare alongside Castr and Demio.

Switcher Studio

Switcher Studio

Custom
Ecamm Live

Ecamm Live

Custom
StreamYard

StreamYard

$0/mo
Restream

Restream

$0/mo
Airmeet

Airmeet

$167/mo
More Castr alternatives →More Demio alternatives →

Ask SIA which solution fits your business

SIA, Saaskart's AI buying assistant, weighs Castr and Demio against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.

Get a personalised recommendation

Castr vs Demio, Frequently Asked Questions

What is the difference between Castr and Demio?

Castr and Demio are both Webinar Software solutions. Castr is rated 0.0/5 by 0 users, while Demio is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.

Which is better, Castr or Demio?

Based on user ratings, Castr scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.

Which is cheaper, Castr or Demio?

Both products have custom pricing. We recommend contacting both vendors for a quote tailored to your team size.

Does Castr or Demio have a free plan?

Neither Castr nor Demio currently offers a free plan, but Castr provides a free trial.

Can I switch from Castr to Demio?

Switching between Castr and Demio is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.

Who should use Castr vs Demio?

Castr is best suited for teams that prioritise enterprise features. Demio works well for budget-conscious buyers.

Our Verdict

The bottom line on Castr vs Demio

Best Overall

Either

It's a tie balances user satisfaction and proven adoption.

Best for Startups

Demio

Demio has the friendliest entry point for new teams.

Best for Enterprise

Demio

Demio leads on compliance and feature breadth.

Best Value

Demio

Demio delivers the lowest cost to get started.

Best AI Features

Demio

Demio ships more AI and automation.

Highest Rated

Either

Both earn equal user ratings.

Ready to decide between Castr and Demio?

Visit Castr Visit Demio Ask SIA
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