Netro Sprite.
Netro Sprite — the cheapest EPA WaterSense controller you can buy, and a genuinely smart one. Builds a custom schedule from soil type, plant mix, sun exposure and local forecast; claims up to 50% water savings. Lifetime cloud service, no subscription. Alexa + Google only.
The Verdict.
Gavler Meta-Score
“The cheapest WaterSense controller on the list, with a genuinely smart ML-driven schedule. The right pick when WaterSense + budget beat HomeKit + ecosystem.”
The Gavler Verdict
Where to Buy.
Prices checked regularly
90-day price history
Price History
Steady at $98.99 for the entire 90-day tracking window — no increases, no discounts, across 45 tracked days.
Tracked daily across retailers. Vote Want itabove and we’ll alert you the moment the price drops.
Some links are affiliate links — Gavler may earn a commission. This never affects rankings or scores. Learn more.
Precision Engineering
ML-Driven Watering Schedule
Builds a custom schedule from soil type, plant mix, sun exposure, and local forecast. Claims up to 50% water savings vs dumb-timer baseline.
EPA WaterSense Certified
Cheapest WaterSense-certified controller currently sold — unlocks utility rebates in drought-prone regions.
Lifetime-Free Cloud Service
No subscription gate on ML schedule features — unusual at the sub-$100 price point.
Technical Specifications
The Scoreboard
Reviewed 2026 runner-up behind Rachio. Expert consensus reflects WaterSense + ML-driven schedule + lifetime-free cloud; community scores reflect the budget price point relative to the lack of HomeKit + Matter. (Brief §72 content-verification pass.)
Cast Your Vote
Do you think Netro Sprite deserves the #5 spot in Best Smart Sprinkler Controllers?
Global Critique
“Netro Sprite is the cheapest WaterSense smart controller you can buy, and it earns its WaterSense status.”
“The ML schedule actually works — once you give it accurate soil and plant inputs, the savings show up on the next water bill.”
“No subscription. No HomeKit. Just a cheap, smart controller that saves water.”
More from Best Smart Sprinkler Controllers.
See how other top picks compare in this category.
