Why? Please describe more detail. We take constructive criticism, and since we are in beta yet, it is very likely that part of the functionality will be changed in accordance with the wishes of users.
True, but this is made in accordance with our Privacy Policy also as in accordance with the legal framework, such as GDPR. We collect statistics, but depersonifies it, and of course we reliably protect it and do not transfer to third parties.
Gramblr is a completely different niche (and even different concept) than we are: this is just an alternative client for Instagram that works through unofficial API. But we are a service for sharing social influence.