Choosing between these two platforms is a classic 'specialist vs. all-in-one' decision. BigMarker is a pure-play event powerhouse built for massive scale. Kartra, WebinarJam & EverWebinar is a connected suite for building your entire online business.
Best for: Enterprise marketing teams hosting large virtual conferences, Organizations needing hybrid event solutions with massive attendee capacity
Best for: Coaches and consultants scaling from 1:1 work to group programs or courses., Wellness professionals turning their intellectual property into passive online products.
Feature-rich platform, requiring premium investment.
We found BigMarker delivers one of the most robust and highly-rated feature sets available for virtual event hosting, focusing on superb reliability and deep audience data capture. Overall, the platform is a feature powerhouse for enterprise events, though prospective users should weigh the reported high cost and documented inconsistencies in customer support responsiveness.
Powerful concept, execution needs polish.
We find Kartra offers a compelling all-in-one solution for creators tired of juggling tools. However, our review, supported by external user feedback, indicates that **reliability issues and inconsistent customer support** can significantly undermine the experience. Overall, it's a feature-rich platform best suited for those who can navigate occasional technical hiccups.
BigMarker is a robust platform connecting professionals through virtual and hybrid events. 💡 It specializes in hosting interactive streams, helping organizations run impactful webinars that achieve real business outcomes. This solution supports comprehensive event planning, whether you are managing a small webinar series or planning a large annual customer conference. BigMarker gives event planners and marketers the tools needed to stand out from the crowd.
✨ Kartra is an all-in-one online business platform designed for experts moving from offline to online. It's built for professionals who want to leverage their knowledge into scalable digital products.
The platform is specifically crafted for those who feel "not techy" but want a powerful system that works. It replaces a patchwork of separate tools for pages, email, checkouts, and memberships, connecting everything into one streamlined system.
We highlight the main differences and pick a winner for each feature.
BigMarker is built for massive audiences. Kartra, WebinarJam & EverWebinar focuses on integrated business funnels.
BigMarker scales from 1,000 attendees on its Basic plan up to a staggering 500,000 on Enterprise+. It’s designed for high-volume virtual and hybrid conferences. The platform includes dedicated host licenses, growing from 1 to 6 across plans. Kartra, WebinarJam & EverWebinar does not specify attendee limits for its webinar components. Its strength lies in connecting webinars to the broader sales funnel. The focus is on conversion, not just massive reach. BigMarker’s clear, tiered capacity makes it the choice for predictable, large-scale event planning. Kartra, WebinarJam & EverWebinar’s approach is better for businesses where the webinar is one piece of a larger automated sales machine.
Kartra, WebinarJam & EverWebinar replaces 8-12 tools. BigMarker focuses on events.
Kartra, WebinarJam & EverWebinar is an all-in-one platform. It includes page builders, email marketing, course creation, checkouts, and CRM. Everything is connected in one dashboard. BigMarker is a specialized event platform. It excels at hosting but doesn't include tools for building sales funnels, managing email lists, or selling courses. You’ll need separate software for those tasks. The key trade-off is depth versus breadth. Kartra, WebinarJam & EverWebinar offers an integrated ecosystem. BigMarker offers unmatched depth for live and automated event experiences.
Kartra, WebinarJam & EverWebinar has public tiers. BigMarker requires a custom quote.
Kartra, WebinarJam & EverWebinar lists specific pricing plans starting at $1 for a trial. It offers monthly and yearly subscriptions. You know what you’re paying before you sign up. BigMarker uses a quote-based model across all tiers. You must contact their sales team to get pricing. Costs depend heavily on attendee volume and features. For budgeting certainty, Kartra, WebinarJam & EverWebinar is clearer upfront. BigMarker’s model allows for customized scaling but requires sales engagement.
Both platforms receive mixed feedback on support. BigMarker has more negative reports.
BigMarker is praised for its robust features but criticized for poor support. Reviews describe it as "abysmal" and slow. The backend is only in English. Kartra, WebinarJam & EverWebinar also has significant complaints. Users report technical glitches during live events and slow support. However, it offers guided onboarding for beginners. Neither platform wins on customer love. BigMarker’s issues seem centered on cost and support responsiveness. Kartra, WebinarJam & EverWebinar’s problems often involve technical reliability during use.
BigMarker offers deep white-labeling. Kartra, WebinarJam & EverWebinar has limited branding options.
BigMarker’s Enterprise+ plan includes white-labeled domains. You can use a custom page designer, fonts, and email templates. This gives complete brand cohesion for your events. Kartra, WebinarJam & EverWebinar allows customization of pages and funnels but does not advertise full white-label domain capabilities. You’re building within their ecosystem. For enterprises needing a fully branded event portal, BigMarker is superior. For creators building a business on the platform, Kartra, WebinarJam & EverWebinar’s branding is sufficient.
Kartra, WebinarJam & EverWebinar is built for automated sales. BigMarker automates event delivery.
Kartra, WebinarJam & EverWebinar shines with behavior-based email triggers. You can build complex, automated sequences from lead capture to course purchase. It’s a marketing automation engine. BigMarker offers "Evergreen" and 24/7 automated webinars. This automates content delivery. However, it lacks a broader email or funnel automation system. The difference is scope. Kartra, WebinarJam & EverWebinar automates your entire customer journey. BigMarker automates the event experience itself.
Since BigMarker customizes its offering, you'll need to reach out directly to their team for pricing information based on your specific requirements. We've outlined the features and capabilities for each plan below.
Best For: Small- and medium-sized businesses starting to host webinars & virtual events. Other Features:
This plan provides all the foundational tools you need to successfully launch and run live and on-demand webinars. If you are just starting out and need reliable, standard features like polling and basic reporting, the Basic plan is a great fit.

Kartra, WebinarJam & EverWebinar pricing: Plans from $1 Plans range: $1–$99 Billing options: Monthly subscription, Yearly subscription, One-time payment

BigMarker users frequently praise its comprehensive feature set, calling it a “big beast of a SAAS” and potentially the best webinar software out there. Users report that the platform excels in reliability, providing superb video and sound quality, which is crucial for professional events.
The ease of use is also high for attendees, as no software installation is required. However, sentiment is sharply divided concerning customer support.
This is a big beast of a SAAS platform. If you need any feature for a webinar or virtual summit, BigMarker has solved it for you. We especially love the reliable video and superb sound quality—they truly excel in those crucial categories.
The external review landscape for Kartra, WebinarJam, and EverWebinar is mixed, leaning more negative on Trustpilot. We see a recurring theme of frustration with customer support and technical glitches, especially during live webinars.
Users report issues like dropped connections and poor responsiveness from help desks, which is a major pain point. On the positive side, many appreciate the concept of an all-in-one platform and find the core functionality for building funnels and automating emails to be powerful when it works.
The platform has great features on paper, but constant glitches ruin the experience. We lost a major webinar due to their tech failure. Support was slow and offered no real solution.
This isn't a simple apples-to-apples comparison. It's a specialist versus a generalist showdown. BigMarker's superpower is scale and reliability for live events. It’s built to handle massive audiences and deliver high-quality streams. It’s the right tool when your event IS the product. Kartra, WebinarJam & EverWebinar's superpower is integration. It connects your entire business—from pages to email to courses to checkout. It’s the right tool when webinars are just one part of your sales engine. The deciding factor is your primary goal. If you need to host a huge, professional conference, pick BigMarker. If you want to automate selling a digital course, pick Kartra, WebinarJam & EverWebinar. For most solo creators and small businesses building a knowledge brand, Kartra, WebinarJam & EverWebinar is the more practical choice. For enterprises with large event budgets and complex needs, BigMarker is the clear winner.
Kartra, WebinarJam & EverWebinar is typically better for small teams. Its all-in-one model replaces multiple tools, simplifying tech and budgeting. BigMarker's custom pricing and event focus make it more suited for larger organizations.
No, BigMarker does not include a page or funnel builder. It is a dedicated event platform. Kartra, WebinarJam & EverWebinar provides drag-and-drop builders for landing pages and complete sales funnels.
It depends on your webinar goal. For pure, large-scale live or evergreen webinars as the main event, BigMarker is more powerful. For webinars as a lead gen tool inside a sales funnel, Kartra, WebinarJam & EverWebinar is the better integrated choice.
No, BigMarker does not offer a free trial or a free tier. You must contact their sales team for a custom quote. Kartra, WebinarJam & EverWebinar often has introductory trial offers available on their website.
BigMarker's Enterprise+ plan includes advanced security like SSO, MFA, and negotiable DPA terms. Kartra, WebinarJam & EverWebinar mentions standard security protocols but doesn't detail advanced options like SSO.
Both platforms receive significant criticism for support. BigMarker reviews often call support "abysmal" and slow. Kartra, WebinarJam & EverWebinar reviews also mention slow responses and unresolved technical issues.
Both tools have their strengths. Choose based on your specific needs.