Head-to-head · Best Meat Thermometers

ThermoPro TP20 500FT Wireless Meat Thermometer vs ThermoWorks Thermapen One

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

ThermoWorks Thermapen One comes out ahead by a narrow margin (4.7 vs 4.9). The gap is mostly about precision-focused home cooks and professionals — read the strengths below before deciding.

Ranked #3 in Best Meat Thermometers

ThermoPro TP20 500FT Wireless Meat Thermometer

4.7

$45

The ThermoPro TP20 Wireless Meat Thermometer earned top marks as a budget-friendly option in Serious Eats' testing of 20 models. Reviewers praised its accuracy, fast response time, and impressive 500-foot range enabled by radio frequency communication. The device features two probes, a backlit display, and simple operation without requiring a phone app. The Spruce Eats reviewer noted its reliable performance with boiling water tests and convenient alarm system that works even if connection is lost. This thermometer is ideal for home cooks seeking dependable meat temperature monitoring but may not suit users wanting probe labeling or control locks.

Strengths

— Accurate readings within six to seven seconds
— 500-foot wireless range using radio frequency
— Easy to operate with large, clearly labeled buttons

Watch-outs

— Probes aren't physically labeled
— No button/control lock feature

$45 · Check Price on Amazon Full review →

Higher ratedRanked #1 in Best Meat Thermometers

ThermoWorks Thermapen One

4.9

$109

The ThermoWorks Thermapen ONE delivers industry-leading speed and accuracy, reading temperatures in one second with ±0.5°F precision. Reviewers praised its 360° auto-rotating display, waterproof construction, and motion-sensing sleep/wake modes. Food Network's Taylor Murray called it the best meat thermometer on the market overall. While it's priced at $109 and requires common AAA batteries instead of CR2032s, the superior performance makes it ideal for serious cooks who demand precision and speed over budget alternatives.

Strengths

— Reads temperature in just one second with 0.5°F accuracy
— 360° auto-rotating display that automatically adjusts orientation
— Waterproof to 39 inches depth (IP67 rating)

Watch-outs

— Expensive at $109
— Requires AAA batteries which are less common than CR2032

$109 · Check Price on Amazon Full review →

How they stack up

ThermoPro TP20 500FT Wireless Meat Thermometer

The ThermoPro TP20 offers the most affordable option with a 500-foot range and simple operation, but it lacks the advanced features of the ThermoWorks RFX and MEATER Pro. While it matches the ThermoPop 2 in accuracy and read time, it's more expensive and doesn't offer the auto-rotating display or waterproofing of the ThermoWorks models. Compared to the Lavatools Javelin Pro Duo, it's less feature-rich but more straightforward to use without requiring a smartphone app.

ThermoWorks Thermapen One

The ThermoWorks Thermapen One stands out as the fastest and most accurate instant-read thermometer, reading in just one second compared to the ThermoPop 2's 2-3 seconds and Lavatools Javelin Pro Duo's similar timeframe. While the RFX offers wireless monitoring capabilities, the Thermapen One's superior speed and precision make it the go-to choice for professional cooks who need immediate, reliable readings. Unlike the ThermoPro TP20, it features a 360° auto-rotating display and waterproof construction, making it more versatile in demanding kitchen environments.

Specs side-by-side

Spec	ThermoPro TP20 500FT Wireless Meat Thermometer	ThermoWorks Thermapen One
Temperature Range	14°F to 572°F	-58°F to 572°F
Accuracy	±1.8°F	±0.5°F
Response Time	5-7 seconds	1 second
Display	Backlit LCD	360° auto-rotating
Waterproof	Not waterproof (splash proof housing)	IP67 rated
Probe Length	8 inches	4.3 inches
Connectivity	RF (Radio Frequency)	—
Battery Life	—	2,000 hours

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