Is soil test kit profitable to sell on Amazon United States?

The niche generates $1.2M/yr across 13 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +28.7%. Flapen's verdict: Launch it (61/100).

How competitive is the soil test kit niche?

10 brands and 65 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in soil test kit?

Top complaints mined from reviews: Measurement/Reading Accuracy, Functionality-Overall, Durability. The return rate is 1.6%.

When does demand for soil test kit peak?

Demand peaks in Mar–Apr–May–Jun; the busiest month runs 5.5× the quietest.

What does it cost to enter the soil test kit niche?

Listings span $9.39–$31.32; the average listing price is $20.84 (sweet spot $15–$100). The average incumbent carries 5,489 reviews — the moat a new listing must climb.

soil test kit

Launch it

A $1.2M/yr market growing +28.7% this quarter with returns at 1.6% — clears our launch bar.

Avg price

Great$20.84

avg listing price — sweet spot $15–$100

Returns

Great1.6%

return rate — above 5% kills the launch gate

Market size

Great$1.2M

$1.2M/yr · 718K searches

Conversion

Great8.3%

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Price range

Good$9.39–$31.32

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Good+28.7%

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

Brand share

Okay83%

top-5 brand share — brands hold most of the demand

Review moat

Bad5,488.77

avg incumbent reviews — the moat a new listing must climb

Competition

Bad77%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, soil test kit is a $1.2M/yr Amazon United States market (718K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Launch it — 61/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

soil test kit market data

Units sold / yr: 60K–80K; avg 6,000–8,000/product
Revenue / yr: $1.3M–$1.7M; units × avg price
Conversion rate: 8.3%
Avg BSR: #8
Page quality: 0%
Prime: 100%
Sponsored: 77%
Out of stock: 3.1%
Avg brand age: 48 months
Avg seller age: 174 days

Competition & brand share

The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 flat

Sellers

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

77%

Top 20: 100%

Open market

11%

Luster Leaf38%
My Soil21%
Dewilde Trading Co10%
YAMRON8%
NewTest6%
SONKIR5%
Open — no brand owns it (4 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +28.7% search growth over the last 90 days.

Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 5.5×

Open Trend

Top soil test kit search terms

soil test kit449K/yr +32.8%7.0% conv.
soil test51K/yr +21.9%6.3% conv.
soil tester for garden nutrients30K/yr +44.0%6.6% conv.
soil testing kit33K/yr +8.4%6.5% conv.
garden soil test kit17K/yr +18.0%8.8% conv.
soil test kit for lawns17K/yr +37.8%6.5% conv.
soil testing kit for gardening18K/yr -7.7%8.3% conv.
soil test kit for vegetable garden11K/yr +60.5%8.3% conv.
lawn soil test kit13K/yr +41.5%5.8% conv.
luster leaf rapitest soil test kit8K/yr +83.5%11.1% conv.

All search terms

Top soil test kit 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 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Rapitest Soil Test Kit for Gardens Vegetables Flowers and Lawns. USA designed and assembled soil tester completely quickly and accurately measures/analyzes soil pH acidity and garden nutrients.

Luster Leaf$14.574.1★2,280 rev

MySoil Soil Test Kit Unlock Your Lawn & Garden Potential Complete & Accurate Nutrient and pH Analysis with Recommendations Tailored to Your Soil and Plant Needs

My Soil$31.324.6★3,796 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

Soil Test Kit 140 Tests (2026 Updated Instructions) pH Nitrogen Phosphorus Potassium & Ammonia Garden Lawn & Plant Soil Tester Kit for Accurate Fertility Analysis

Dewilde Trading Co$17.684.0★480 rev

SONKIR Soil pH Meter MS02 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool Kits for Plant Care Great for Garden Lawn Farm Indoor & Outdoor Use (Green)

SONKIR$9.394.1★46,513 rev

Newest

by launch date

NewTest Soil pH Test Kit: Upgraded 125 Soil pH Test Strips with Measuring Cylinders for Accurate Testing pH Level of Garden Lawn Grass Flower Vegetable Compost Dirt

NewTest$12.0687 rev

1mo ago

AKSBTEC Soil Test Kit 4-in-1 for Lawns & Gardens 40 Tests (pH Nitrogen Phosphorus Potassium) Easy Soil Testing Kit for Vegetable Garden Lawn & Plants

AKSBTEC$28.1867 rev

2mo ago

NewTest Soil Test Kit 4 Parameters: Professional Accurate 40 Tests Soil Testing Kits for Lawns Gardening Vegetable Garden for pH Nitrogen Phosphorus Potassium - Soil Tester for Garden Nutrients (40)

NewTest$29.8940 rev

4mo ago

HSLGOVE Soil Test Kit 7-in-One Soil Moisture Meter/Soil PH Meter/Fertility Dual Screen Soil Tester w/Digital Soil Temp/Air Temp&Humidity for Plants Gardening Lawn Farm Indoor&Outdoor-Lvory White

HSLGOVE$25.05238 rev

6mo ago

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$31.123,116 rev

1y ago

What buyers say about soil test kit

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

What buyers love

Ease Of Use26%

“Easy to read”

Plant Growth16%

“it helps care for plants accurately”

Quality-Overall10%

“Excellent product”

Value For Money8%

“worth every penny”

Advertised Vs Actual Product8%

“Exactly as advertised”

Measurement/Reading Accuracy7%

“It is accurate”

Moist/Dry4%

“the moisture one works great”

Instructions/User Manual/Troubleshooting3%

“Instructions were clear”

Durability2%

“Durable and easy to use”

Water Resistance1%

“I have found this to be quite helpful in preventing over watering”

What buyers complain about

Measurement/Reading Accuracy25%

“Caution: Questionable Accuracy”

Functionality-Overall15%

“Did not work properly”

Durability8%

“Broke very easily”

Quality-Overall7%

“Complete garbage”

Value For Money6%

“This was a little bit more expensive”

Ease Of Use5%

“very messy to use”

Instructions/User Manual/Troubleshooting4%

“Horrible instructions”

Plant Growth3%

“figure out why my plants werent doing well”

Moist/Dry3%

“was dry as a bone”

Color2%

“No color even registered”

Top return reasons

Measurement/Reading Accuracy37%

Functionality-Overall27%

Advertised Vs Actual Product8%

Defective Material/Parts5%

Value For Money4%

Instructions/User Manual/Troubleshooting2%

Ease Of Use2%

Size-Overall2%

Durability1%

Quality-Overall1%

Common questions

Is soil test kit profitable to sell on Amazon United States?: The niche generates $1.2M/yr across 13 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +28.7%. Flapen's verdict: Launch it (61/100).
How competitive is the soil test kit niche?: 10 brands and 65 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in soil test kit?: Top complaints mined from reviews: Measurement/Reading Accuracy, Functionality-Overall, Durability. The return rate is 1.6%.
When does demand for soil test kit peak?: Demand peaks in Mar–Apr–May–Jun; the busiest month runs 5.5× the quietest.
What does it cost to enter the soil test kit niche?: Listings span $9.39–$31.32; the average listing price is $20.84 (sweet spot $15–$100). The average incumbent carries 5,489 reviews — the moat a new listing must climb.