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.

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.

Avg price

Incredible$23.75

avg listing price — sweet spot $15–$100

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Returns

Great1.5%

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

Great52%

top-5 brand share — no brand owns this niche

Competition

Great35%

top-5 click share — an open shelf

Growth

Good+34.9%

90-day search growth — must beat 0% to launch

Conversion

Okay3.3%

search→purchase rate — share of searches ending in a sale

Market size

Okay$115K

$115K/yr · 145K searches

Review moat

Bad4,148.53

avg incumbent reviews — the moat a new listing must climb

Signals No Dominant Brand

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

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

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 sensor44K/yr +39.1%3.8% conv.
moisture sensor for plants10K/yr +35.0%5.5% conv.
soil sensor10K/yr +29.5%2.3% conv.
wireless soil moisture sensor8K/yr +88.5%0.5% conv.
smart soil moisture sensor7K/yr +144.4%2.1% conv.
plant moisture sensor11K/yr -3.4%5.8% conv.
plant moisture indicator7K/yr +77.0%7.3% conv.
plant water indicator9K/yr +17.7%4.2% conv.
plant sensor7K/yr +27.1%1.4% conv.
smart plant sensor6K/yr +27.8%0.9% conv.

All 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.

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

Sustee Aquameter Set of 5 Plant Soil Moisture Sensor (Green Small)

Sustee$23.674.3★1,404 rev

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$31.124.3★3,116 rev

XLUX Long Probe Deep Use Soil Moisture Meter Water Monitor Indicator Sensor Hygrometer for Outdoor Indoor Large Pot Plants Flower Gardening Farming

XLUX$14.344.5★14,884 rev

Craft911 Plant Moisture Meter

Craft911$9.324.5★2,580 rev

ECOWITT WH51 Soil Moisture Sensor Soil Humidity Tester - Accessory Only Can Not Be Used Alone

ECOWITT$22.784.2★1,039 rev

Newest

by launch date

Diligrow Aquameter Soil Moisture Meter for Succulents General Plant Bonsai Gardening & Farming Indoor & Outdoor Beginner-Friendly (6 PCS)

DILIGROW$20.7358 rev

3mo ago

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$54.75229 rev

5mo ago

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$18.24229 rev

5mo ago

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$38.3944 rev

6mo ago

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$64.9615 rev

6mo ago

What buyers say about soil moisture sensor

What buyers praise and complain about, mined from review topics.

What buyers love

Ease Of Use25%

“easy to handle”

Plant Growth12%

“my plants are very healthy”

Advertised Vs Actual Product10%

“As Advertised”

Quality-Overall8%

“Build quality feels solid”

Value For Money8%

“Great deal”

Measurement/Reading Accuracy6%

“Seems to be pretty accurate”

Moist/Dry4%

“It helps to know moisture and ph”

Water Resistance3%

“Water detector is good”

Assembly/Installation3%

“Setup: It was very easy to pair”

Durability2%

“durable and easy to usre”

What buyers complain about

Functionality-Overall23%

“Never worked”

Measurement/Reading Accuracy18%

“the accuracy/readings are way off”

Durability13%

“Breaks easily”

Quality-Overall7%

“Not as high quality as anticipated”

Moist/Dry6%

“no moisture levels”

Value For Money5%

“Theyre not inexpensive”

Connectivity-Overall3%

“Frequently Loses Connection”

Instructions/User Manual/Troubleshooting2%

“weak manual”

Plant Growth2%

“Plant health has suffered”

Water Resistance2%

“DO NOT TEST IN WATER”

Top return reasons

Measurement/Reading Accuracy34%

Functionality-Overall29%

Advertised Vs Actual Product7%

Defective Material/Parts7%

Size-Overall4%

Value For Money4%

Connectivity-Overall2%