Best Soil Meters Under $100 (2026)
We selected meters under $100 by weighted value score using feature set (moisture, pH, temp, light), sensor type, display/app support, and build quality
The Verdict
- Best Overall: 4-in-1 soil tester: moisture, pH, temp & sunlight — multiparameter: compact 4-in-1 unit for moisture, pH, temperature and sunlight monitoring
- Best Value: ECOWITT soil moisture tester with digital LCD — Best for clear digital readouts: simple moisture-focused sensor with an easy-to-read LCD for garden or indoor use
Top Picks
-
1
Best Overall 4-in-1 soil tester: moisture, pH, temp & sunlight
multiparameter: compact 4-in-1 unit for moisture, pH, temperature and sunlight monitoring
4-in-1 soil tester with moisture, pH, temperature, and sunlight readings. Large backlit display aids readability day or night. Customers note easy use and clear display, though pH readings may vary
- multifunctional soil tester
- backlit display for night use
- quick moisture, pH, temp, and sunlight readings
-
2
Best Value ECOWITT soil moisture tester with digital LCD
Best for clear digital readouts: simple moisture-focused sensor with an easy-to-read LCD for garden or indoor use
Soil moisture meter with digital LCD display for indoor/outdoor use. Provides moisture level readings quickly and supports plant care with a flower pot icon. Customers note accurate readings and easy setup
- digital LCD with moisture level display
- waterproof sensor for indoor/outdoor
- quick 72-second readings
-
3
ECOWITT WH51L soil moisture sensor with LCD display
Best balance of clarity and accuracy: WH51 sensor with LCD that prioritizes reliable moisture readings
ECOWITT WH51L measures soil moisture with a 1m PVC probe and LCD real-time display. Data can be streamed via Ecowitt Gateway and viewed in the app after setup
- lcd real-time soil moisture readout
- 1m PVC probe for deeper sensing
- IP68 waterproof sensor probe
-
4
4-in-1 Soil pH Meter (2 Pack) for Indoor & Outdoor Plants
Best for multi-plant households: two-pack 4-in-1 meters supply pH, moisture and temp coverage for multiple pots
2-pack 4-in-1 soil tester measures pH, moisture, temperature and sunlight with backlit display. Useful for monitoring multiple garden areas. Customer note: accurate readings for plant care
- 2-pack for dual locations
- 4 sensors in 1 tool
- backlit display for visibility
-
5
ECOWITT GW1206 soil moisture tester kit with GW1200 gateway
Best for connected gardens: moisture kit that includes a GW1200 gateway for remote monitoring and integrations
Soil moisture tester kit with a Wi-Fi gateway and sensor for digital soil readings. Benefits include easy setup and modular sensing; users report accurate moisture readings and easy configuration, though durability and connectivity may vary
- 915 MHz gateway connectivity
- digital soil moisture measurements
- 3-in-1 weather sensing (temp, humidity, barometric pressure)
-
6
Ecowitt GW1106 soil moisture kit with GW1100 gateway and WH51 sensor
Best starter kit with gateway: includes a WH51 sensor and GW1100 gateway for basic remote soil moisture tracking
ECOWITT GW1106 kit includes WH51 soil moisture sensor and GW1100 gateway. Provides soil moisture readings that can be viewed via WS View Plus or Ecowitt app after setup. Customers note accurate readings and easy setup, with some durability and connectivity mixed feedback
- real-time soil moisture with gateway
- supports up to 8 WH51 sensors
- app and display accessible data
-
7
Smart Soil pH Meter for Garden and Indoor Plants
Best simple pH focus: straightforward soil pH meter aimed at garden and indoor plant pH checks
Digital soil pH tester for soil and liquids with quick, plug-and-play readings. Reads pH in seconds to help balance nutrient solutions. Useful for houseplants, lawns, greenhouses, and outdoor farming
- digital pH readings in seconds
- multi-environment compatibility
- dual soil and liquid testing
-
8
RAINPOINT Smart Digital Wireless Plant Moisture Meter (Two-Pack)
Best two-pack wireless option: dual wireless moisture meters for monitoring multiple indoor plants at once
Capacitive soil moisture meter with LCD readout and optional remote monitoring via a WiFi hub. Real-time readings and manual checks available; app-enabled for remote access
- 24/7 LCD moisture display
- auto/manual detection
- remote monitoring via WiFi hub
-
9
Digital soil pH meter with calibration-free LCD display
Best for precision pH readings: digital pH meter with calibration-free LCD and robust dual-probe design
Industrial grade soil pH tester with high accuracy and a ready-to-use handheld design. Lightweight and portable for garden, lawn, and lab research; dual stainless-steel probes offer sensitivity and anticorrosion performance
- industrial-grade precision
- calibration-free display
- dual stainless-steel probes
-
10
Digital soil pH meter with high-precision probes
Best for high-precision pH work: digital meter with high-precision probes suited to serious garden testing
Industrial-grade soil pH tester with calibration-free LCD display and dual stainless-steel probes. portable handheld design weighing 160 grams for garden, lawn, and lab use
- high-precision probes
- calibration-free display
- portable handheld design