
SimpliSafe Motion Sensor
Compatible with Gen 3 Home Security System
Price as of 2026-06-17. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Those who want a top-rated option — in the top 1% of motion detectors by rating
- •treewell Motion Sensor — 60% cheaper at $12 (Score A-)
📊 Based on data analysis of 158 products in this category.
Mubboo Score: B+
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other motion detectors
Computed from live Amazon rating, review count, and price across 158 motion detectors · last refreshed 2026-06-17.
How It Compares
This Product SimpliSafe Motion Sensor | Most Popular HTZSAFE Driveway Alarm- 1/2 Mile Long Range Wireless | Best Rated Betterlink Supplemental Solar Driveway Motion Detector&Sensor | Best Value treewell Motion Sensor | |
|---|---|---|---|---|
| Price | $29.97 | $43.99 | $32.99 | $11.99 |
| Rating | 4.7/5 | 4.4/5 | 4.6/5 | 4.5/5 |
| Reviews | 532 | 19,790 | 1,330 | 754 |
| Mubboo Score | B+ | A- | B+ | A- |
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Consider sensor placement to minimize false alarms from wind or wildlife; use lithium batteries for hot/cold climates, and check weatherproof seals to prevent moisture damage.
- Long wireless range and reliable signal through obstacles
- Easy setup and installation
- Loud, customizable alerts with multiple chime options
- Weather-resistant and durable design
- Good value for price
- Prone to false alarms from wildlife, wind, or debris
- Inconsistent vehicle detection, sometimes missing cars
- Build quality and durability concerns, including moisture ingress and resets
- Battery issues: alkaline batteries drain quickly in extreme temperatures; recommend lithium
Other motion detectors




Bottom Line
SimpliSafe Motion Sensor earns Mubboo Score B+. Priced at $30 — a mid-range option, below the category average of $44. Rated 4.7/5 from 532+ reviews. Strong buy if: those who want a top-rated option.
Frequently Asked Questions
Is the SimpliSafe Motion Sensor worth buying in 2026?
It earns a Mubboo Score of B+, with a 4.7/5 rating from 532 reviews — better than 99% of motion detectors we track.
How much does the SimpliSafe Motion Sensor cost?
It is currently $29.97 — mid-tier pricing for motion detectors.
How does the Motion Sensor compare to other motion detectors?
The category's most-reviewed alternative is the HTZSAFE Driveway Alarm- 1/2 Mile Long Range Wireless (4.4/5, 19,790 reviews, $43.99). The Motion Sensor carries a Mubboo Score of B+ vs A-.
Sources & References
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-17) and may change.