Every iPhone needs a few good free body temperature app. We benchmark 246+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
Compare top Free Body Temperature App (September 2026)
Easily log and track body temperature for yourself and your family. Record measurements, add notes about health conditions or medications, and view a clear history of your readings. This utility does not require signup or internet access.
Estimate and track body temperature trends to monitor potential fever symptoms. Log data, export reports for healthcare providers, and monitor family members' temperatures. Includes features like heart rate estimation and symptom tracking.
What We Love
⭐ Accurate temperature readings
📊 Helpful for tracking health symptoms
🔍 Useful when no thermometer is available
Room to Improve
💰 Subscription-based model
🤔 Misleading claims about temperature measurement
🤖 Inaccurate temperature estimates
🔒 Lack of transparency around subscription details
Estimate body temperature using your smartphone without a physical thermometer. Track heart rate, blood pressure, and sync with Apple Watch for real-time fever alerts. Log custom health data and generate shareable PDF reports.
What is the best free body temperature app for iPhone?
Fever Thermometer | Body Temp tops our free body temperature app ranking as of September 2026, with a 4.3-star average from 257 App Store ratings, and it's free to download.
Does Fever Thermometer | Body Temp have ads or in-app purchases?
Fever Thermometer | Body Temp shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
How many free body temperature app are on the App Store?
We track 246+ free body temperature app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
What does the Fever Thermometer app do?
This app allows you to log and track body temperature readings for yourself and your family. You can record measurements taken with a handy thermometer, add notes about your health condition or any medications you are taking, and review a clear history of your measurements. It is designed as a data logging utility.
What are the key features of the Fever Thermometer app?
Key features include the ability to log and track body temperature, record notes alongside measurements, view a clear history of all readings, and it does not require signup or an internet connection. The pro version offers additional features like PDF export and ad disabling.