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
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.
Cast Your Vote
Do you think Netro Sprite deserves the #5 spot in Best Smart Sprinkler Controllers?
Best Price Availability.
Prices checked April 2026
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.”
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