Sparrow is Customer Review tool that helps to boost your store sales by enabling enhanced product reviews on your store using product reviews reminder emails, review forms, star ratings for the customers who have recently purchased from your store.
Sparrow was launched on AppSumo and had life time plan in LTD Hunt. It was very successful with lot of positive reviews. Moreover, G2 platform had a complete product review on this tool and had good rating too.
Additionally, it had a very generous free plan upto 50 orders per month. Growth plan starting from $19 per month and Accelerate plan for $29. Sparrow was a great product review platform with many users.
Unfortunately, this tool did not continue their service from 2021. They had Twitter handle which provides their official site getsparrow.io is no longer working now, which opens up as some hosting domain name seller.
Twitter account stopped posting tweets from may 2021. This tool is no longer present in Appsumo archive too.. But they have not gave any confirmation regarding loss of this tool.