# Withings Thermo Smart Temporal Thermometer vs iProven DMT-489 Digital Ear and Forehead Thermometer: specs and price compared

A sourced, side-by-side comparison of the Withings Thermo Smart Temporal Thermometer (Withings) and iProven DMT-489 Digital Ear and Forehead Thermometer (iProven) among forehead thermometers. iProven DMT-489 Digital Ear and Forehead Thermometer is the cheaper of the two at $29.97.

## Side by side

| Spec | Withings Thermo Smart Temporal Thermometer | iProven DMT-489 Digital Ear and Forehead Thermometer |
| --- | --- | --- |
| US price | $99.95 | $29.97 |
| Brand | Withings | iProven |
| Measurement type | IR temporal artery scan (forehead), no-touch | IR ear (tympanic) or forehead (temporal), dual mode with contact |
| Accuracy | — | — |
| Measurement time sec | 2 | 1 |
| Stored readings memory | unlimited (synced via Wi-Fi to the Health Mate app, up to 8 user profiles) | 20 |
| Fever alarm | — | Yes |
| Measuring distance | up to 1 cm (0.4 in.) from forehead | — |
| Cf switch | Yes | Yes |
| Battery | 2x AAA (up to 2 years) | 2x AAA (rated ~3,000 measurements) |

## Key differences

- Measurement type: Withings Thermo Smart Temporal Thermometer IR temporal artery scan (forehead), no-touch vs iProven DMT-489 Digital Ear and Forehead Thermometer IR ear (tympanic) or forehead (temporal), dual mode with contact
- Measurement time sec: Withings Thermo Smart Temporal Thermometer 2 vs iProven DMT-489 Digital Ear and Forehead Thermometer 1
- Stored readings memory: Withings Thermo Smart Temporal Thermometer unlimited (synced via Wi-Fi to the Health Mate app, up to 8 user profiles) vs iProven DMT-489 Digital Ear and Forehead Thermometer 20
- Battery: Withings Thermo Smart Temporal Thermometer 2x AAA (up to 2 years) vs iProven DMT-489 Digital Ear and Forehead Thermometer 2x AAA (rated ~3,000 measurements)

## Sources

- Withings Thermo Smart Temporal Thermometer: https://www.bestbuy.com/site/withings-thermo-smart-temporal-thermometer/5400600.p?skuId=5400600 (bestbuy.com, verified 2026-08-09)
- iProven DMT-489 Digital Ear and Forehead Thermometer: https://iproven.com/products/ear-temporal-thermometer-dmt-489 (iproven.com, verified 2026-08-09)

Canonical: https://frontdeskreview.com/gear/forehead-thermometers/withings-thermo-vs-iproven-dmt-489/
Cite: Per The Front Desk Review, Withings Thermo Smart Temporal Thermometer ($99.95) vs iProven DMT-489 Digital Ear and Forehead Thermometer ($29.97) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/forehead-thermometers/withings-thermo-vs-iproven-dmt-489/
License: CC BY 4.0.