Is the Phyn Plus 2nd Gen worth it?
The Phyn Plus 2nd Gen ($579.99) is a top pick with a 8.3/10 consensus score. Experts highlight ultrasonic transit-time flow sensor with no moving parts and continuous whole-home flow, pressure, and temperature monitoring. Best for: Best-in-class whole-home detection (ultrasonic, no moving parts), Subscription-free ownership, Buyers who will use insurance device discounts.
Verified 4h ago
Affiliate link — we earn a commission at no extra cost to you
Phyn Plus 2nd Gen
Sensors
Expert consensus
How we scoreKey Features
- ✓ Ultrasonic transit-time detection
- ✓ Whole-home flow + pressure
- ✓ Integrated auto shutoff
- ✓ No subscription
- ✓ Alexa & Google
Best For
What Experts Agree On
What Experts Love
- ✓ Ultrasonic transit-time flow sensor with no moving parts
- ✓ Continuous whole-home flow, pressure, and temperature monitoring
- ✓ Integrated motorized ball valve for automatic shutoff
- ✓ No subscription — all monitoring, alerts, and shutoff included
- ✓ 2nd-gen housing roughly 25% smaller for tighter installs
Common Criticisms
- ✗ Professional plumber required to cut into the main supply line
- ✗ Fits 3/4-inch and 1-inch pipe only
- ✗ Roster's highest list price
Frequently Asked Questions
Is the Phyn Plus 2nd Gen worth it?
The Phyn Plus 2nd Gen earns a 8.3/10 consensus score and is rated "Must Buy". At $579.99, it is best for Best-in-class whole-home detection (ultrasonic, no moving parts). It ranks among the top picks in its category.
How much does the Phyn Plus 2nd Gen cost?
The Phyn Plus 2nd Gen is priced at $579.99. With a 8.3/10 score and a "Must Buy" rating, that price represents fair value relative to the ~7.5/10 average for Sensors products. Prices shift often, so check the live figure before buying.
Who is the Phyn Plus 2nd Gen best for?
The Phyn Plus 2nd Gen is best for Best-in-class whole-home detection (ultrasonic, no moving parts), Subscription-free ownership, Buyers who will use insurance device discounts. Experts rate it "Must Buy" with a 8.3/10 consensus.
How does the Phyn Plus 2nd Gen compare to other Sensors options?
Among the Sensors products we have aggregated, the Phyn Plus 2nd Gen ranks above average with a 8.3/10 score. See our full category comparison for head-to-head details.
What smart home systems does the Phyn Plus 2nd Gen work with?
The Phyn Plus 2nd Gen works with Amazon Alexa. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
Does the Phyn Plus 2nd Gen need a hub or a subscription?
No mandatory subscription — the core features work without a monthly fee.
What are the best alternatives to the Phyn Plus 2nd Gen?
If the Phyn Plus 2nd Gen ($579.99, 8.3/10) is not the right fit, the closest alternatives in Sensors are Frizzlife LP365, Moen Flo Smart Water Monitor, YoLink Water Leak Shutoff Kit. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the Phyn Plus 2nd Gen?
The main strengths of the Phyn Plus 2nd Gen are ultrasonic transit-time flow sensor with no moving parts and continuous whole-home flow, pressure, and temperature monitoring. The most-cited downside is professional plumber required to cut into the main supply line. Overall, experts rate it "Must Buy" with a 8.3/10 consensus score.
Decided on the Phyn Plus 2nd Gen?
Affiliate link — we earn a commission at no extra cost to you
Eufy eufyCam S330 4-Cam Kit (with HomeBase S380)
Must BuyCheck price
eufy Security eufyCam S3 Pro 2-Cam Kit
Must BuyCheck price
Yale Assure Lock 2 Plus
$198Must BuyCheck price
Ring Battery Doorbell Plus
RecommendedCheck price
Reolink Go PT Ultra + SP2 Solar Panel
$229.99Must BuyCheck price
Eufy 4G LTE Cam S330
$199Must BuyCheck price
Featured in these buying guides
See how the Phyn Plus 2nd Gen ranks against the full field in our Sensors buying guides.
Sources & Methodology
Consensus score based on available data. See how we build consensus scores.
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you.This is a consensus review — we did not test this product ourselves. Always verify current prices and availability before purchasing.
Independence notice: Smart Home Explorer is an independent publication. Phyn and other product names, logos, and brands referenced on this page are the property of their respective owners and are used for identification purposes only. This review is not sponsored by, affiliated with, or endorsed by Phyn or any other manufacturer named in this article.