Comparison

Wrist Temperature Tracker vs Thermometer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Wrist Temperature Tracker

Visualize your Apple Watch's overnight wrist temperature readings as historical data and convenient widgets. Understand your temperature trends over time, with options for monthly, yearly, and comparative views. Requires a compatible Apple Watch and proper sleep tracking setup.

Highlights
  • Nightly reading history (7, 30, 90 days, 1 year)
  • Monthly calendar with relative color coding
  • Cycle comparison with period start data
  • Widgets and complications for quick access
  • Customizable reading notifications
  • Health data diagnostics
Features
Read full description

How has your wrist temperature changed over the past nights? Wrist Temperature Tracker shows your Apple Watch readings as history, comparisons and widgets. For people with a compatible Watch who want a clearer view of their overnight data in Apple Health. The app does not take measurements and is not an on-demand thermometer. Try the iPhone app for six days after installation. Continued access then requires a monthly subscription, annual subscription, or one-time purchase. You can restore an existing purchase. Before you start - You need an Apple Watch that supports wrist temperature sensing. - Wear it while sleeping. Track Sleep with Apple Watch and Sleep Focus need to be active for at least 4 hours per night. - After setup or pairing, establishing a baseline usually takes about 5 nights. - Allow the app to read wrist temperature from Health. If Health has no samples, the app cannot show any values. Features - Measured night readings over 7, 30 or 90 days, or one year. Missing nights stay visible. - A monthly calendar with colours relative to that month's median, not a medical temperature threshold. - Compare cycles using recorded period starts from Apple Health or your own local entries. The app does not write cycle data to Health. - Widgets and complications for quick access to recent data - Get notified when a new reading arrives: all readings, or only values below or above your absolute temperature thresholds. No on-demand measurement or guaranteed daily notification. - A diagnostics area for Health data, notifications, and purchases Temperature patterns do not confirm ovulation. Not for contraception or diagnosis. Terms and conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Thermometer

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.

Highlights
  • Temperature estimation without a thermometer
  • Apple Watch Series 8 sync for readings
  • High fever alerts
  • Blood pressure tracking and trend analysis
  • Custom health logs with notes
  • Apple Health sync
  • Shareable PDF reports
Features
Read full description

No thermometer, no problem. Calculate body temperature with your iPhone. Turn your smartphone into a versatile tool for tracking temperature, heart rate, and blood pressure—anytime, anywhere. Functionalities:- -Temperature Estimation: Use your smartphone to estimate body temperature without the need for a physical thermometer. -Apple Watch Sync: Connect seamlessly with Apple Watch Series 8 for automatic temperature readings and real-time fever alerts. -High Fever Alerts: Receive automatic alerts from your Apple Watch when a high fever is detected, keeping you informed in real-time. -Blood Pressure Tracking: Effortlessly log and track your blood pressure, complete with trend analysis for better insights and PDF sharing. -Custom Health Logs: Add personalized notes to track symptoms, treatments, or anything else alongside your health data. -Apple Health sync and PDF reports: Sync with Apple Health and generate easy-to-share temperature PDF reports to keep your family informed. Whether you’re managing a fever, keeping an eye on your cardiovascular health, or tracking your blood pressure, this app offers a simple and effective way to stay in control of your wellness. Ideal for personal use, families, and healthcare providers, our app ensures you stay informed about your vital signs and make confident health decisions. Important: This app is not intended to replace medical advice or treatment. Please consult with a healthcare professional for any medical issues. Terms of use: https://bodytemperatureche.wixsite.com/website-5/legal Privacy policy: https://bodytemperatureche.wixsite.com/website-5/legal Visit us: https://https://bodytemperatureche.wixsite.com/website-5

Screenshots

Wrist Temperature Tracker4 screens
Thermometer4 screens

Verdict

The call

The clearest difference is rating: Thermometer at 4.6 against Wrist Temperature Tracker's 3.4. Thermometer also leads on ratings volume (411 vs 128) and iOS requirement (15.0 vs 18.0). On price, review sentiment, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Wrist Temperature Tracker sells 3 in-app purchases, starting at $1.99 per month and Thermometer sells 6 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Thermometer holds the better App Store score, 4.6 against 3.4. Both are backed by a comparable volume of ratings — 128 and 411 respectively. Written reviews point the same way: 28% of Wrist Temperature Tracker's written reviews are positive against 32% of Thermometer's.

UpkeepUpdate frequency

Wrist Temperature Tracker ships an update every 11 days, Thermometer fortnightly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

Scorecard3 real differences · 7 level
Wrist Temperature Tracker versus Thermometer: the parameters behind the verdict, then further details
ParameterWrist Temperature TrackerThermometer
PriceFreeFree
Rating3.4 (128 ratings)4.6 (411 ratings) — better
Positive reviews28.0% of reviews31.6% of reviews — better
Number of ratings128411 — better
Update frequencyEvery 11 days — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, Apple WatchiPhone, iPod, Apple Watch — better
Requires iOS18.015.0 — better
Further details — not scored
Size5 MB59 MB
Age rating4+17+
DeveloperBernhard Hering199 Developments Private Limited

Customer experience

Wrist Temperature Tracker

All ratings127 ratings
Positive58.3%
Neutral3.9%
Negative37.8%
Written reviews107 reviews
Positive28.0%
Neutral9.3%
Negative62.6%

Thermometer

All ratings409 ratings
Positive92.4%
Neutral1.0%
Negative6.6%
Written reviews57 reviews
Positive31.6%
Neutral8.8%
Negative59.6%

Bugs and requests

Wrist Temperature Tracker

Not enough reviews yet to summarise bugs or requests.

Thermometer

Reported bugs

2 issues
  • Subscription issues and unexpected charges
  • App not functioning as advertised

Requested features

3 requests
  • Option to default to Fahrenheit
  • Ability to share breathing exercises
  • Improved compatibility with newer devices

In-app purchases

3 purchases

Wrist Temperature Tracker

Subscriptions2
  • Monthly Subscription$1.991 Month
  • Yearly Subscription$11.991 Year
One-time1
  • Unlock Wrist Temperature$79.99
6 purchases

Thermometer

Subscriptions5
  • Week- Body Temperature Checker$5.997 Days
  • Year Promo- Body Thermometer$19.991 Year
  • Year- Body Temperature Checker$29.991 Year
Show 2 more
  • Yearly- Body Fever Checker3 Days trial$29.991 Year
  • Yearly - Thermometer + Blood Oxygen$29.991 Year
One-time1
  • Lifetime- Body Fever Checker$49.99

Questions

Is Wrist Temperature Tracker free?
Wrist Temperature Tracker is free to download, with in-app purchases available.
Is Thermometer free?
Thermometer is free to download, with in-app purchases available.
Which has better reviews, Wrist Temperature Tracker or Thermometer?
Thermometer is rated higher. Wrist Temperature Tracker averages 3.4 out of 5 from 128 ratings, while Thermometer averages 4.6 from 411 ratings.
Do Wrist Temperature Tracker or Thermometer have ads?
Neither Wrist Temperature Tracker nor Thermometer shows ads.
Which is updated more often, Wrist Temperature Tracker or Thermometer?
Wrist Temperature Tracker ships an update every 11 days, and Thermometer fortnightly. Most recently, Wrist Temperature Tracker was updated on November 7, 2026 and Thermometer on November 8, 2026.

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