After my neighbor's house flooded twice, I finally caved and bought the Moen Flo Smart Water Monitor. Installation wasn't bad—I'm no plumber, but with some basic skills and SharkBite fittings, I had it up in under an hour. The app setup was straightforward, though it took a week to 'learn' our water habits. Real-time data on flow rate and pressure is cool, but historical data feels limited—like trying to read a novel with half the pages missing.

The real test came when I left the kitchen faucet trickling during lunch. Within 30 minutes, my phone rang—Moen's automated system warning me about abnormal water use. The app even let me shut off the water remotely. That peace of mind? Priceless. Though I wish it recognized fixtures better (it kept confusing my shower with the sink), the automatic shutoff feature alone makes it worth the $5/month subscription.

Word to the wise: Professional installation is key (mine cost $1,200 total), and customer support via chat is stellar—but emails vanish into the void. After 3 weeks, it finally identified individual fixtures... sort of. It’s like a well-meaning but slightly clueless roommate—great at spotting disasters, but gets confused if you shower at odd hours.

Update: Moen recently expanded historical data access (hallelujah!), bumping my rating to 5 stars. Just be prepared for occasional false alarms—like when it threatened to shut off water mid-shower because I dared bathe at 3pm instead of 7am.