---
title: "Soil Moisture Sensor — $115K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/soil-moisture-sensor"
last_updated: "2026-08-10T03:11:55.356Z"
locale: en
meta:
description: "Niche score 65/100 · $115K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 65/100 · $115K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Soil Moisture Sensor — $115K/yr Amazon US Niche (2026) - Flapen"
---
# **soil moisture sensor**
**Worth a look**
Shows a sweet-spot price point ($23.75 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 27Growth 59Conversion 42Competition 80Returns 85Price range 84Avg price 95Brand share 83Review moat 25Quality gap 88
**Avg price**
**Incredible****$23.75**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Returns**
**Great****1.5%**
return rate — above 5% kills the launch gate
**Price range**
**Great****$5.96–$70.47**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Great****52%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****35%**
top-5 click share — an open shelf
**Growth**
**Good****+34.9%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****3.3%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$115K**
$115K/yr · 145K searches
**Review moat**
**Bad****4,148.53**
avg incumbent reviews — the moat a new listing must climb
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, soil moisture sensor is a $115K/yr Amazon United States market (145K searches/yr). The top 5 brands hold 52% of demand. Verdict: Worth a look — 65/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **soil moisture sensor market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **$143K–$190K**
- units × avg price
- **Conversion rate**
- **3.3%**
- **Avg BSR**
- **#64**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **3.5%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **177 days**
## **Competition & brand share**
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.
**Brands**
**32 **▲rising
**Sellers**
**47**
**Top-5 brand share**
**52%**
Top 20: 92%
**Top-5 click share**
**35%**
Top 20: 77%
**Open market**
**42%**
- Sustee16% - XLUX15% - THIRDREALITY8% - YAMRON7% - Craft9116% - ECOWITT6%
## **Top soil moisture sensor search terms**
- **soil moisture sensor**44K/yr+39.1%3.8% conv. - **moisture sensor for plants**10K/yr+35.0%5.5% conv. - **soil sensor**10K/yr+29.5%2.3% conv. - **wireless soil moisture sensor**8K/yr+88.5%0.5% conv. - **smart soil moisture sensor**7K/yr+144.4%2.1% conv. - **plant moisture sensor**11K/yr-3.4%5.8% conv. - **plant moisture indicator**7K/yr+77.0%7.3% conv. - **plant water indicator**9K/yr+17.7%4.2% conv. - **plant sensor**7K/yr+27.1%1.4% conv. - **smart plant sensor**6K/yr+27.8%0.9% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/soil-moisture-sensor/search-terms)
## **Top soil moisture sensor products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%3%$3K6%$7K9%$10K12%$14K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Sustee Aquameter Set of 5 Plant Soil Moisture Sensor (Green Small)**Sustee**$23.67**4.3★1,404 rev](https://www.amazon.com/dp/B08PPN8VD8) [2**YAMRON 4-in-1 Soil Moisture Meter Digital Plant Temperature/Soil Moisture/pH Meter/Sunlight Intensity Backlight LCD Display Soil Test Meter for Gardening Farming and Outdoor Plants**YAMRON**$31.12**4.3★3,116 rev](https://www.amazon.com/dp/B0DF4TB93J) [3**XLUX Long Probe Deep Use Soil Moisture Meter Water Monitor Indicator Sensor Hygrometer for Outdoor Indoor Large Pot Plants Flower Gardening Farming**XLUX**$14.34**4.5★14,884 rev](https://www.amazon.com/dp/B099R6BQHB) [4**Craft911 Plant Moisture Meter**Craft911**$9.32**4.5★2,580 rev](https://www.amazon.com/dp/B0C891QKWP) [5**ECOWITT WH51 Soil Moisture Sensor Soil Humidity Tester - Accessory Only Can Not Be Used Alone**ECOWITT**$22.78**4.2★1,039 rev](https://www.amazon.com/dp/B07JM621R3)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Diligrow Aquameter Soil Moisture Meter for Succulents General Plant Bonsai Gardening & Farming Indoor & Outdoor Beginner-Friendly (6 PCS)**DILIGROW**$20.73**58 rev3mo ago](https://www.amazon.com/dp/B0GTBVVGD2) [**THIRDREALITY Smart Soil Moisture Sensor Gen2 3Pack Zigbee hub Needed nhanced Signal Stability Capacitive Moisture Monitoring Garden Planting Compatible with Hubitat SmartThings Home Assistant Homey**THIRDREALITY**$54.75**229 rev5mo ago](https://www.amazon.com/dp/B0GJYRZ61L) [**THIRDREALITY Smart Soil Moisture Sensor Gen2 Zigbee hub Needed Enhanced Signal Stability Capacitive Moisture Monitoring Garden Planting Compatible with Hubitat SmartThings Home Assistant Homey**THIRDREALITY**$18.24**229 rev5mo ago](https://www.amazon.com/dp/B0GHNB78F7) [**Nexuslab Wireless Soil Moisture Meter with LCD Receiver 3Probe 3in1 Sensor (Moisture Temperature Light) 230 ft RF Range Waterproof Long Battery Life for Indoor/Outdoor Plants and Gardens**NexusLab**$38.39**44 rev6mo ago](https://www.amazon.com/dp/B0GD5WXWMY) [**Nexuslab Wireless Soil Moisture Meter with LCD Receiver 3Probe 3in1 Sensor (Moisture Temperature Light) 230 ft RF Range Waterproof Long Battery Life for Indoor/Outdoor Plants and Gardens**NexusLab**$64.96**15 rev6mo ago](https://www.amazon.com/dp/B0GD5MJF9Z)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Diligrow Aquameter Soil Moisture Meter for Succulents General Plant Bonsai Gardening & Farming Indoor & Outdoor Beginner-Friendly (6 PCS)**DILIGROW**$20.73**3.8★**▲ 171%**](https://www.amazon.com/dp/B0GTBVVGD2) [**Haozee Intelligent Soil Moisture Sensor 3 Pack Zigbee Hub Required**Haozee**$35.53**3.2★**▲ 153%**](https://www.amazon.com/dp/B0G3NSF8Q7) [**Soil Moisture Meter for Plants 12-Zone Wireless Plant Water Meter Soil Thermometer and Light Sensor 4-in-1 TDR Tester 230ft Range IPX5 Waterproof for Indoor Outdoor Garden Lawn (Display+4 Sensor)**Vodeson**$64.91**4.1★**▲ 143%**](https://www.amazon.com/dp/B0FKN4LRZK) [**THIRDREALITY Smart Soil Moisture Sensor Gen2 3Pack Zigbee hub Needed nhanced Signal Stability Capacitive Moisture Monitoring Garden Planting Compatible with Hubitat SmartThings Home Assistant Homey**THIRDREALITY**$54.75**3.5★**▲ 143%**](https://www.amazon.com/dp/B0GJYRZ61L) [**Nexuslab Wireless Soil Moisture Meter with LCD Receiver 3Probe 3in1 Sensor (Moisture Temperature Light) 230 ft RF Range Waterproof Long Battery Life for Indoor/Outdoor Plants and Gardens**NexusLab**$64.96**4.1★**▲ 127%**](https://www.amazon.com/dp/B0GD5MJF9Z)
**~~View all trending →~~**
## **What buyers say about soil moisture sensor**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**25%
*“easy to handle”*
**Plant Growth**12%
*“my plants are very healthy”*
**Advertised Vs Actual Product**10%
*“As Advertised”*
**Quality-Overall**8%
*“Build quality feels solid”*
**Value For Money**8%
*“Great deal”*
**Measurement/Reading Accuracy**6%
*“Seems to be pretty accurate”*
**Moist/Dry**4%
*“It helps to know moisture and ph”*
**Water Resistance**3%
*“Water detector is good”*
**Assembly/Installation**3%
*“Setup: It was very easy to pair”*
**Durability**2%
*“durable and easy to usre”*
### **What buyers complain about **
**Functionality-Overall**23%
*“Never worked”*
**Measurement/Reading Accuracy**18%
*“the accuracy/readings are way off”*
**Durability**13%
*“Breaks easily”*
**Quality-Overall**7%
*“Not as high quality as anticipated”*
**Moist/Dry**6%
*“no moisture levels”*
**Value For Money**5%
*“Theyre not inexpensive”*
**Connectivity-Overall**3%
*“Frequently Loses Connection”*
**Instructions/User Manual/Troubleshooting**2%
*“weak manual”*
**Plant Growth**2%
*“Plant health has suffered”*
**Water Resistance**2%
*“DO NOT TEST IN WATER”*
### **Top return reasons **
**Measurement/Reading Accuracy**34%
**Functionality-Overall**29%
**Advertised Vs Actual Product**7%
**Defective Material/Parts**7%
**Size-Overall**4%
**Value For Money**4%
**Connectivity-Overall**2%
**Durability**2%
**Moist/Dry**2%
**Quality-Overall**1%
## **Common questions**
- **Is soil moisture sensor profitable to sell on Amazon United States?**
- The niche generates $115K/yr across 49 tracked products. 10 of 14 products launched in the last 360 days are still selling. 90-day search growth is +34.9%. Flapen's verdict: Worth a look (65/100).
- **How competitive is the soil moisture sensor niche?**
- 32 brands and 47 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 52% of demand.
- **What do buyers complain about in soil moisture sensor?**
- Top complaints mined from reviews: Functionality-Overall, Measurement/Reading Accuracy, Durability. The return rate is 1.5%.
- **What does it cost to enter the soil moisture sensor niche?**
- Listings span $5.96–$70.47; the average listing price is $23.75 (sweet spot $15–$100). The average incumbent carries 4,149 reviews — the moat a new listing must climb.
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