# ThermoWorks Thermapen ONE: specs and price

**Price (US):** $109 (Typical US MSRP $109. Tom's Guide review (dated 30 January 2025) spec box lists "Price: $109" and states "It's available at Amazon for $115, or for $109 at ThermoWorks." The manufacturer page at access time displayed a temporary "Orange Closeout" sale price of $74.00 (compare-at $115.00), a promotional price not used as the standard MSRP.), as of 2026-07-11. Among the 10 meat thermometers we track it is #6 cheapest of 10; category median $105.
**Brand:** ThermoWorks
**Deskmark:** Bronze Deskmark — pay-blind category standing 13/100, #5 of 8 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $109 |
| Brand | ThermoWorks |
| Probe type | instant-read |
| Temp range fahrenheit | -58 to 572 |
| Accuracy fahrenheit | 0.5 |
| Response time sec | 1 |
| Num probes | 1 |
| Connectivity | none |
| Wireless range (ft) | 0 |
| Water resistance rating | IP67 |
| Battery life hrs | 2000 |
| Display type | rotating-lcd |
| Weight grams | 115 |

## Where it stands

At $109, the ThermoWorks Thermapen ONE is #6 cheapest of the 10 meat thermometers we track, where the median is $105. On the spec sheet, its accuracy fahrenheit of 0.5 is the lowest of the 6, its num probes of 1 is the lowest of the 10, and its wireless range of 0 ft is the lowest of the 9.

## What reviewers say

Two hands-on reviewers (Tom's Guide, 2025; Reviewed/USA Today, 2021) both rate the ThermoWorks Thermapen ONE among the fastest and most accurate instant-read thermometers they tested — roughly one-second reads and an auto-backlit display. Both flag its premium price; Tom's Guide additionally dislikes that settings are hidden behind the screwed-in rear battery panel, while Reviewed judges it only a marginal upgrade for existing MK4 owners. (Based on 2 reviews, 2 lab-tested, 2021-08-12–2025-01-30.)

Praised: Fastest instant-read speed — roughly one-second readings; Accurate; verified within spec on ice-bath / accuracy checks; Auto-backlit display, easy to read in low light; Comfortable, ergonomic in-hand grip; No-app, ready-to-use — no pairing or app setup required.
Flagged: Premium price vs cheaper instant-read rivals; Settings (F/C, resolution) require unscrewing the rear battery panel; Marginal upgrade over the older MK4 if you already own one; No leave-in / smart-monitoring capability.
Disagreement: The two differ on value: Tom's Guide (2025) recommends it outright as highly accurate and super fast, while Reviewed (2021) calls it a marginal, not-worth-it upgrade for existing MK4 owners. Neither reported a stopwatch speed figure, so the one-second claim rests on each tester's eyeball observation plus the maker's spec, not an independent timing.
Sources: Tom's Guide (2025-01-30, tomsguide.com), Reviewed (USA Today) (2021-08-12, reviewed.com)

## Frequently asked questions

**What do reviewers say about the ThermoWorks Thermapen ONE?**

Two hands-on reviewers (Tom's Guide, 2025; Reviewed/USA Today, 2021) both rate the ThermoWorks Thermapen ONE among the fastest and most accurate instant-read thermometers they tested — roughly one-second reads and an auto-backlit display. Both flag its premium price; Tom's Guide additionally dislikes that settings are hidden behind the screwed-in rear battery panel, while Reviewed judges it only a marginal upgrade for existing MK4 owners. Praised: Fastest instant-read speed — roughly one-second readings; Accurate; verified within spec on ice-bath / accuracy checks; Auto-backlit display, easy to read in low light; Comfortable, ergonomic in-hand grip; No-app, ready-to-use — no pairing or app setup required. Flagged: Premium price vs cheaper instant-read rivals; Settings (F/C, resolution) require unscrewing the rear battery panel; Marginal upgrade over the older MK4 if you already own one; No leave-in / smart-monitoring capability. (From 2 tester reviews, 2 lab-tested.)

**How much does the ThermoWorks Thermapen ONE cost?**

The ThermoWorks Thermapen ONE has a US price of $109 (Typical US MSRP $109. Tom's Guide review (dated 30 January 2025) spec box lists "Price: $109" and states "It's available at Amazon for $115, or for $109 at ThermoWorks." The manufacturer page at access time displayed a temporary "Orange Closeout" sale price of $74.00 (compare-at $115.00), a promotional price not used as the standard MSRP.), as of 2026-07-11.

**How does the ThermoWorks Thermapen ONE compare on price?**

At $109, the ThermoWorks Thermapen ONE is #6 cheapest of the 10 meat thermometers we track, where the median is $105.

**What are the ThermoWorks Thermapen ONE's key specs?**

ThermoWorks Thermapen ONE (ThermoWorks): probeType instant-read, tempRangeFahrenheit -58 to 572, accuracyFahrenheit 0.5, responseTimeSec 1, numProbes 1. Full sourced spec sheet verified 2026-07-11.

Source: https://www.thermoworks.com/products/thermapen-one (thermoworks.com, accessed 2026-07-11)
Corroboration: https://www.tomsguide.com/home/thermoworks-thermapen-one-meat-thermometer-review (accessed 2026-07-11)
Canonical: https://frontdeskreview.com/product/meat-thermometers/thermapen-one/
Cite: Per The Front Desk Review, the ThermoWorks Thermapen ONE price of record was $109 as of 2026-07-11 — https://frontdeskreview.com/product/meat-thermometers/thermapen-one/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl