Spark is open source AND on both app stores!!
go get it now! apps.apple.com/gb/app/spark...
(or search Spark on the Google play store)
Quoted post: https://bsky.app/profile/did%3Aplc%3Acveom2iroj3m...
like a mix of instagram and tiktok but fully on atproto. they have their own servers and PDS too, so not just using bluesky infra!