Frida Baby Rectal Thermometer for Babies, Digital Fever Thermometer for Babies, Newborns & Infants, Quick & Accurate Temperature…
Best for
Best for newborns (rectal)
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Based on 1 trusted source
Current price
$13.97
Updated May 15, 2026 · 1 min read
Sources behind this verdict
10 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the Frida Baby rectal thermometer is the most-recommended dedicated rectal option for the youngest babies. r/beyondthebump (high) and r/Buyingforbaby threads consistently advise new parents that rectal is the most accurate method for infants under 8 weeks, and the Frida design — with a guarded flexible tip — comes up by name as the easiest to use without overinserting. Amazon's 4.8-star average across more than 11,000 reviews is unusually high for this category, though we treat Amazon ratings as a signal rather than a verdict.
What reviewers liked
- Recommended in r/beyondthebump (high) as accurate for very small infants where rectal is the gold standard
- Guarded flexible tip designed to prevent overinsertion, praised by verified-purchase reviewers
- Amazon volume signal of 4.8 across 11,712 reviews is unusually strong
- Inexpensive at under $15
- Memory holds last 10 readings for trending
Where it falls short
- babylist.com (high) hosts a sharply critical review reporting consistently low readings around 95.5°F
- r/newborns has an explicitly negative '0/10 recommend' thread in the data
- Rectal use is uncomfortable and many parents won't tolerate it past early infancy
- 10-second read time is slower than premium infrared units
Across the reviewers we read, the Frida Baby rectal thermometer is the most-recommended dedicated rectal option for the youngest babies. r/beyondthebump (high) and r/Buyingforbaby threads consistently advise new parents that rectal is the most accurate method for infants under 8 weeks, and the Frida design — with a guarded flexible tip — comes up by name as the easiest to use without overinserting. Amazon's 4.8-star average across more than 11,000 reviews is unusually high for this category, though we treat Amazon ratings as a signal rather than a verdict.
There is a real dissenting voice in the high-trust data that we won't bury. A babylist.com review in the dataset explicitly says 'Don't buy. Temp reading is so low,' reporting consistent 95.5°F readings that panicked the reviewer until they cross-checked at a pediatrician appointment. An r/newborns thread titled '0/10 recommend Frida rectal thermometer' echoes the concern. These are not isolated cranks — they're high- and medium-trust counter-signals worth weighing.
The synthesis: for parents who specifically want a rectal thermometer for a newborn — which is what most pediatric-leaning sources in the data recommend for that age — this is the most cited option, but a small but vocal subset of reviewers has had reliability problems and recommends cross-checking against a second device before acting on a borderline reading.
- Precision For Peace Of Mind
- Delivers accurate temperature readings in just 10 seconds, so you can quickly assess your baby's health at any time of day or night.
- Memory Recall Function
- Stores up to 10 previous temperature readings, making it easy to monitor trends during illness or recovery.
- Gentle, Flexible Tip
- The soft, flexible tip ensures maximum comfort for your baby while providing the most accurate rectal temperature readings.
- Water-Resistant Body
- Designed for easy cleaning under running water, ensuring hygiene after each use.
- Portable Protective Case
- Comes with a sturdy storage case to keep the thermometer clean, safe, and ready for travel or home use.
- Fsa / Hsa Eligible
- This item qualifies for FSA/HSA reimbursement
It gives the most accurate reading (at least according to my research), which may be very important if a very small infant (under 8 weeks) is ...
The only thermometer I have is the Frida thermometer which has different settings: adult, kid, ear and house. On the adult and ear setting, his temp is normal ...
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“Frida Baby Rectal Thermometer Review (Link Below )” · YouTube
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