Braun ThermoScan 7 Ear Thermometer (IRT6520) vs Frida Baby Quick-Read Digital Rectal Thermometer

The ThermoScan 7 wins on the thing families use a thermometer for most often, which is a fast reading on a wriggling child old enough to have a usable ear canal, with age-adjusted color coding so the number means something. The Frida Baby rectal thermometer costs a fraction of it and is the better tool for the first months, which is exactly why we would own both rather than pick one.

Braun ThermoScan 7 Ear Thermometer (IRT6520)

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An infrared ear thermometer whose age-based color coding does the interpreting for you, from a line that has been in pediatric offices for decades.

• Age Precision color coding shows green, yellow or red against the fever threshold for the age group you select, so you are not doing mental math in the middle of the night.
• The ExacTemp positioning system uses a light and a beep to confirm the probe is aimed correctly, which is the single thing that most often ruins an ear reading.
• Braun states the device is clinically proven to be as accurate as rectal measurements in newborns and footnotes the published comparisons behind that claim.

• It uses disposable lens filters, so there is a consumable you have to keep stocked and remember to fit.
• Braun publishes no numeric accuracy tolerance on the product page, only the rectal-equivalence claim.
• AAP guidance says ear thermometers are not reliable for younger babies whose ear canals are too narrow, which sits awkwardly beside the manufacturer's newborn claim.

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Frida Baby Quick-Read Digital Rectal Thermometer

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The cheapest thing on this list and the one that performs the measurement guidance ranks most accurate for young infants.

• Frida states a ten-second read, which is short enough to matter when the person being measured objects loudly to the whole process.
• The flexible tip carries a rectal stopper that keeps it from being inserted too far, a safety detail generic digital sticks routinely leave off.
• It is water-resistant, BPA-free and latex-free, with a backlit display and memory for up to ten previous readings.

• It is a rectal thermometer, and plenty of parents will avoid using it even when it is the right tool.
• Frida publishes no numeric accuracy tolerance and no FDA clearance number on the product page.
• There is no age-based interpretation on the display, so you have to know the relevant threshold yourself.

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Side by side

The bottom line

Our overall pick is the Braun ThermoScan 7 Ear Thermometer (IRT6520) - An infrared ear thermometer whose age-based color coding does the interpreting for you, from a line that has been in pediatric offices for decades. Choose the Frida Baby Quick-Read Digital Rectal Thermometer instead if newborns and infants, where the reference measurement matters more than convenience.

Want the full picture, including the other options we compared and the popular one we'd skip? Read the complete The Best Baby Thermometers: 4 Compared (and One to Skip).