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.

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The short answer

ThermoWorks Thermapen One comes out ahead by a clear margin (4.6 vs 4.9). The gap is mostly about precision-focused home cooks and professionals — read the strengths below before deciding.

Ranked #2 in Best Meat Thermometers

ThermoPro TP20 500FT Wireless Meat Thermometer

4.6

2 sources1 derived$34.99as of Aug 3

The ThermoPro TP20 was Serious Eats' budget pick out of 20 wireless thermometers, chosen for accuracy, quick reads and a 500-foot radio link that does not depend on a phone. Two probes cover meat and ambient grill temperature, the receiver is backlit and rubber-sleeved, and the preset menu covers the usual meats and doneness levels. There is no app and no Bluetooth, the probes are not labelled, and the display cycles between them instead of showing both at once.

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
— Display cycles between the two probes instead of showing both at once

$34.99 · Check Price on Amazon Full review →

Higher ratedRanked #1 in Best Meat Thermometers

ThermoWorks Thermapen One

4.9

4 sources3 derived$119.99as of Aug 1

The ThermoWorks Thermapen ONE reads temperatures in one second with ±0.5°F precision, which puts it at the front of the field on both speed and accuracy. Reviewers praised the 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. It costs $109 and runs on common AAA batteries rather than CR2032s. Serious cooks who demand precision and speed over budget alternatives are the buyers.

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

$119.99 · Check Price on Amazon Full review →

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

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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