Best Gleam Alternatives and Competitors (2026)

Customers are all about KingSumo, praising its ease of use, effective audience growth, and seamless integration with SendFox. There are a few hiccups like the inability to disable reminder emails and issues with the Mailchimp integration. Despite these, with an overall rating of 3.8 and a 60-day money-back guarantee, KingSumo is hitting the mark and is worth a try for those seeking audience growth through viral giveaways. Given its free price and refundable nature, it's definitely worth giving it a shot.

KingSumo - Plus is praised for its user-friendly interface, seamless email list integration, and effective viral sharing options. However, some users have experienced limited customization options and slow customer support. With a 3.8 rating and 64 reviews, KingSumo - Plus is a solid choice for those looking to expand their audience through viral giveaways.