Data from the official Apollo Automation and Moes sites.
2026 verdict
A hobbyist board versus a plug-and-play ceiling sensor: the Moes Human Presence Detector (Ceiling Mount) wins this presence sensor pairing on connectivity and integrations, reaching Google Home and Alexa out of the box while offering both Wi-Fi and Zigbee-hub connection paths and the longer detection range of the two. The Apollo MSR-2 counters with a lower price and open, DIY-friendly hardware built around Home Assistant, but it stops there, with no Alexa, Google Home, Apple HomeKit, SmartThings or IFTTT support listed at all. Both are wired, pair a presence sensor with a light sensor, and skip multi-person tracking, fall alerts and weather resistance. Home Assistant tinkerers who never touch a voice assistant can save money with the Apollo; anyone wanting Alexa or Google Home working immediately should mount the Moes instead.
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| Feature | Apollo MSR-2 | Moes Human Presence Detector (Ceiling Mount) | Winner |
|---|---|---|---|
| Price | $35.69 | $65.99 | Apollo MSR-2 |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi, Zigbee | Moes Human Presence Detector (Ceiling Mount) |
| Integrations | Home Assistant | Google Home, Alexa, Home Assistant | Moes Human Presence Detector (Ceiling Mount) |
| Weather Resistance | NO | NO | Tie |
| Sensors | Presence, Light | Presence, Light | Tie |
| Alerts | Presence Alerts | Presence Alerts | Tie |
| Multi-Person Detection | NO | NO | Tie |
| Local Control | YES | YES | Tie |
$35.69
- + Price: $35.69
- - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, Zigbee
- - Integrations: Home Assistant vs Google Home, Alexa, Home Assistant
Winner
$65.99
- + Connectivity: 2.4 GHz WiFi, Zigbee
- + Integrations: Google Home, Alexa, Home Assistant
- - Price: $65.99 vs $35.69
Frequently Asked Questions
Which is better overall: Apollo MSR-2 or Moes Human Presence Detector (Ceiling Mount)?
Moes Human Presence Detector (Ceiling Mount) wins on the fundamentals: built-in Google Home and Alexa support, a dual Wi-Fi/Zigbee-hub connection path, and the longer detection range of the pair. Apollo MSR-2 counters only with a lower price.
What is the biggest difference between Apollo MSR-2 and Moes Human Presence Detector (Ceiling Mount)?
Platform support. The Apollo MSR-2 is built for Home Assistant only, with no Alexa, Google Home, Apple HomeKit, SmartThings or IFTTT integration listed. The Moes Human Presence Detector (Ceiling Mount) reaches Google Home and Alexa alongside Home Assistant, and connects over either 2.4GHz Wi-Fi or a Zigbee hub instead of Wi-Fi alone.
Does either sensor work with Amazon Alexa or Google Home?
Only the Moes Human Presence Detector (Ceiling Mount). The Apollo MSR-2's integration list stops at Home Assistant, so voice assistant users need the Moes.
How do their detection ranges compare?
The Moes Human Presence Detector (Ceiling Mount) covers roughly 9.5 meters (31 feet), the longer reach of the two. The Apollo MSR-2 does not publish a detection range figure.
Who should buy Apollo MSR-2?
Choose Apollo MSR-2 if you run Home Assistant exclusively, want open DIY-friendly hardware, and are comfortable without any Alexa, Google Home or HomeKit support, in exchange for a lower price.
Who should buy Moes Human Presence Detector (Ceiling Mount)?
Choose Moes Human Presence Detector (Ceiling Mount) if you want Alexa or Google Home working right away, prefer flexible Wi-Fi or Zigbee-hub connectivity, and want the longer detection range for overhead ceiling coverage.
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Compare all 16 Presence Sensors side by side
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- 34 specs compared
- 31 filters
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Smart Thermostatic Radiator Valve
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