Pricing of an account is based on MAU (Monthly Active User) count. MAU is defined as total count of unique users interacting with any of these channels (website, mobile app, email, sms)in the last 30 days. WebEngage has custom pricing slabs for each account basis its MAU count. other details here - https://webengage.com/pricing/
GetApp’s ranking highlights the top 25 apps in different categories on GetApp. If an app is listed in more than one category, it has the potential to be ranked in each of these categories. The ranking is independent of any commercial campaign an app vendor has with GetApp. The ranking is based on 5 data points, each scored out of 20: reviews, integrations, mobile apps, media presence, and security.