My 12yo just got her first phone and I want to keep an eye on what she’s doing without being too invasive. Any apps or built-in settings that actually work?
Honestly, start with Apple’s built-in Screen Time before paying for anything — it’s surprisingly solid for a 12-year-old and handles app limits, content filters, and downtime schedules right from your own phone.
Set it up through Family Sharing and make sure you hold the Screen Time passcode, not her 
If you want more detail like location or social media peek, apps like Bark (monitors for concerning content without you reading every message) or Qustodio are worth looking at, but Screen Time honestly covers 80% of what most parents actually need at that age.