Since "Tricaller" sounds like a communication or utility app (likely related to calling or tracking), I have assumed these features.
Most default phone apps treat SIM 1 and SIM 2 as separate entities. Tricaller unifies them. You can set custom ringtone profiles, data usage rules, and blacklists per SIM card. This is invaluable for business owners who keep a work line and a personal line on the same phone. Download Tricaller