In the world of online marketing, ClickFunnels has attained a reputation as an powerful sales funnel builder. Despite its reputation, many businesses and individuals are searching for ClickFunnels alternatives for different reasons ranging from cost to functionality.

One popular alternative is HBA Funnel Builder. Offering the same fundamental functionality as ClickFunnels, HBA Funnel Builder excels by offering a flat fee pricing structure. Unlike ClickFunnels, which comes with different pricing tiers, HBA Funnel Builder offers a single, affordable clickfunnels alternative plan, making it a favourite among start-ups and small businesses.

Another compelling ClickFunnels alternative is Systeme.io. Formulated by veteran internet marketer Aurelian Amacker, Systeme.io amplifies the traditional sales funnelling experience by integrating tools for email marketing, course hosting, and affiliate management. With a more holistic approach to sales and marketing, Systeme.io makes a strong claim for businesses looking for a more complete platform.

Coming to features, ClickFunnels offers a wide range of functionalities. Its main features include landing pages, sales funnels, webinars, and membership sites. Moreover, it also has a noteworthy affiliate management tool, which is a major selling point. On the other hand, HBA Funnel Builder, while being a cheaper alternative, equals ClickFunnels' core offering. With a focus mainly on sales funnelling, it may lack in other peripheral features like affiliate management and webinars.

On the flip side, Systeme.io, while matching ClickFunnels' core offering, takes a leap ahead by providing functionalities like email marketing and online course hosting. It's these added features that make them a popular choice among businesses that look for a more robust platform for their online marketing efforts.

In conclusion, while ClickFunnels holds a strong standing in the online marketing world due to its unmatched features, replacements like HBA Funnel Builder and Systeme.io are gaining popularity due to their unique propositions. The pick between these platforms lies in your specific business needs and budget. Whether you're a start-up looking for an affordable sales funnel builder or an established business in need of a complete marketing platform, there are options in the market that can meet your needs adequately.