Best Gleam Alternatives and Competitors (2025)

KingSumo has been receiving praise for its ease of use, effective audience growth, and seamless integration with SendFox. While there have been some minor issues such as the inability to disable reminder emails and some challenges with the Mailchimp integration, overall, it is a solid choice for those looking to expand their audience. Additionally, it is worth noting that KingSumo is free and comes with a 60-day money-back guarantee, making it a worthwhile option to consider.

KingSumo is a valuable tool for audience growth through viral giveaways, with an overall rating of 3.8 and positive feedback from 55 reviews. Customers appreciate its easy setup, effective viral sharing, and seamless integration with SendFox. However, some users have faced issues with contest hacking and minor bugs like broken social media links. Despite these hiccups, KingSumo remains a solid choice for expanding audience reach.