Tinder lets US users access background checks via Garbo to screen matches for past violence and abuse; first two searches are free, then $2.50+ each afterward (Sarah Perez/TechCrunch)

Substack launches an iOS app for reading; Android users can join a waitlist — What you read matters — Today, we’re launching an iOS app for reading. It’s like your email inbox, but better. — For readers, the app brings all your Substack subscriptions together in one venue …