Updated February 2026
Data from Amazon and official Arlo and Shelly sites.
2026 verdict
In 2026, the recommendation leans toward Shelly Flood over Arlo All-in-One Sensor, driven by price, warranty, and integrations. It has the clearer edge on price, warranty, and integrations, and it stays ahead on alerts. The only strong reason to choose Arlo All-in-One Sensor is if rating and sensors is more important to you than the overall verdict. For the average buyer, Shelly Flood is the safer choice.
| Feature | Arlo All-in-One Sensor | Shelly Flood | Winner |
|---|---|---|---|
| Price | $29.59 | $24.99 | Shelly Flood |
| Rating | 4.2 | 3.8 | Arlo All-in-One Sensor |
| Warranty | 1 year | 2 years | Shelly Flood |
| Integrations | Google Home, Alexa | Google Home, Alexa, Samsung SmartThings, Home Assistant | Shelly Flood |
| Sensors | Water Leak, Temperature, Tilt | Water Leak, Temperature | Arlo All-in-One Sensor |
| Alerts | Water Leak Alerts, Freeze Temperature Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts | Shelly Flood |
| Weather Resistance | NO | NO | Tie |
| Connectivity | Other | 2.4 GHz WiFi | Tie |
| On Device Alert Sound | NO | NO | Tie |
| On Device Alert Light | NO | NO | Tie |
$29.59
- + Rating: 4.2
- + Sensors: Water Leak, Temperature, Tilt
- - Price: $29.59 vs $24.99
- - Warranty: 1 year vs 2 years
Winner
$24.99
- + Price: $24.99
- + Warranty: 2 years
- + Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant
- - Rating: 3.8 vs 4.2
- - Sensors: Water Leak, Temperature vs Water Leak, Temperature, Tilt
Frequently Asked Questions (FAQ)
Which is better overall: Arlo All-in-One Sensor or Shelly Flood?
Shelly Flood has the stronger overall profile in this comparison, especially for price, warranty, and integrations.
What is the biggest difference between Arlo All-in-One Sensor and Shelly Flood?
Price is one of the clearest differences: Arlo All-in-One Sensor lists $29.59, while Shelly Flood lists $24.99.
Which one looks better on price?
Arlo All-in-One Sensor is listed at $29.59, while Shelly Flood is listed at $24.99. Shelly Flood (better spec).
Who should buy Arlo All-in-One Sensor?
Choose Arlo All-in-One Sensor if your priority is rating and sensors and that matters more than price.
Who should buy Shelly Flood?
Choose Shelly Flood if your priority is price and warranty and that matters more than rating.
