Kuo: Apple Watch Series 7 Missed Body Temperature Monitoring Due to Algorithm Problems, but Feature Could Still Come to Series 8

Apple canceled plans to add a body temperature sensor to the Apple Watch Series 7, but the feature could come to the Apple Watch Series 8 instead, according to reputable analyst Ming-Chi Kuo.

Apple Watch Body Temperature Finished
In a thread of tweets, Kuo explained that Apple originally intended to offer a body temperature measurement feature with the Apple Watch Series 7 models, but the company shelved the plans when the body temperature algorithm it had developed failed to meet requirements before the device entered the engineering validation testing (EVT) phase last year.

Kuo believes that the upcoming Apple Watch Series 8 could feature body temperature monitoring, providing "the algorithm can meet Apple's high requirements before mass production."

The problems Apple has experienced relating to body temperature measurement purportedly relate to the fact that skin temperature quickly varies based on the environment, and since a smartwatch cannot monitor core body temperature using hardware, the feature is heavily dependent on an algorithm that produces accurate results.

Kuo added that Samsung is experiencing similar challenges with body temperature measurement, noting that the Samsung Galaxy Watch 5 may not come with a body temperature monitoring feature due to algorithmic limitations.

Both Kuo and Bloomberg's Mark Gurman have previously discussed how the 2022's Apple Watches were likely to offer body temperature monitoring capabilities, but rumors related to the feature have quietened in recent times. Kuo's comments today appear to raise further doubts around whether the feature will actually debut with the Apple Watch Series 8 later this year.

For everything we know so far about the Apple Watch Series 8, check out our dedicated guide.

Related Roundup: Apple Watch Series 9

Popular Stories

iPhone SE 4 Vertical Camera Feature

iPhone SE 4 Production Will Reportedly Begin Ramping Up in October

Tuesday July 23, 2024 2:00 pm PDT by
Following nearly two years of rumors about a fourth-generation iPhone SE, The Information today reported that Apple suppliers are finally planning to begin ramping up mass production of the device in October of this year. If accurate, that timeframe would mean that the next iPhone SE would not be announced alongside the iPhone 16 series in September, as expected. Instead, the report...
iPhone 17 Plus Feature

iPhone 17 Lineup Specs Detail Display Upgrade and New High-End Model

Monday July 22, 2024 4:33 am PDT by
Key details about the overall specifications of the iPhone 17 lineup have been shared by the leaker known as "Ice Universe," clarifying several important aspects of next year's devices. Reports in recent months have converged in agreement that Apple will discontinue the "Plus" iPhone model in 2025 while introducing an all-new iPhone 17 "Slim" model as an even more high-end option sitting...
Generic iPhone 17 Feature With Full Width Dynamic Island

Kuo: Ultra-Thin iPhone 17 to Feature A19 Chip, Single Rear Camera, Semi-Titanium Frame, and More

Wednesday July 24, 2024 9:06 am PDT by
Apple supply chain analyst Ming-Chi Kuo today shared alleged specifications for a new ultra-thin iPhone 17 model rumored to launch next year. Kuo expects the device to be equipped with a 6.6-inch display with a current-size Dynamic Island, a standard A19 chip rather than an A19 Pro chip, a single rear camera, and an Apple-designed 5G chip. He also expects the device to have a...
iPhone 16 Pro Sizes Feature

iPhone 16 Series Is Less Than Two Months Away: Everything We Know

Thursday July 25, 2024 5:43 am PDT by
Apple typically releases its new iPhone series around mid-September, which means we are about two months out from the launch of the iPhone 16. Like the iPhone 15 series, this year's lineup is expected to stick with four models – iPhone 16, iPhone 16 Plus, iPhone 16 Pro, and iPhone 16 Pro Max – although there are plenty of design differences and new features to take into account. To bring ...
icloud private relay outage

iCloud Private Relay Experiencing Outage

Thursday July 25, 2024 3:18 pm PDT by
Apple’s iCloud Private Relay service is down for some users, according to Apple’s System Status page. Apple says that the iCloud Private Relay service may be slow or unavailable. The outage started at 2:34 p.m. Eastern Time, but it does not appear to be affecting all iCloud users. Some impacted users are unable to browse the web without turning iCloud Private Relay off, while others are...
iPhone 17 Plus Feature Purple

iPhone 17 Rumored to Feature Mechanical Aperture

Tuesday July 23, 2024 9:32 am PDT by
Apple is planning to release at least one iPhone 17 model next year with mechanical aperture, according to a report published today by The Information. The mechanical system would allow users to adjust the size of the iPhone 17's aperture, which refers to the opening of the camera lens through which light enters. All existing iPhone camera lenses have fixed apertures, but some Android...

Top Rated Comments

SnakeEater1993 Avatar
29 months ago
Blood glucose and blood pressure ...THESE things are going to save lives.
Score: 43 Votes (Like | Disagree)
Eriamjh1138@DAN Avatar
29 months ago


I went from a S0-watch to S6. Some updates, a little faster and a few gimmicks like EKG and Oximeter - but essentialy it still feels like a minor upgrade to me - probably going to wait for S10-S12 for the next one.
Unless you stayed at watch OS 2.x, I’m calling you a liar.
For me, 3.x was a performance killer on my S0. Every touch took seconds to react.

There’s no way the watch 6 doesn’t feel faster unless you just use it to tell time.
Score: 22 Votes (Like | Disagree)
t0rqx Avatar
29 months ago
Cool, but not really making me want to upgrade from a say series 5 or 6.
Score: 17 Votes (Like | Disagree)
No5tromo Avatar
29 months ago

Blood glucose and blood pressure ...THESE things are going to save lives.
Even if they are not super accurate but they can just provide an indication that something might be off I would buy this for my mother right away.
Score: 11 Votes (Like | Disagree)
SilenceBroken Avatar
29 months ago
I have a S3... I think It'll be at least another generation or two before a worthy/needed update.
Score: 10 Votes (Like | Disagree)
Howyalikdemapls Avatar
29 months ago

I went from a S0-watch to S6. Some updates, a little faster and a few gimmicks like EKG and Oximeter - but essentialy it still feels like a minor upgrade to me - probably going to wait for S10-S12 for the next one.
I went from S2 to S5 and it’s night and day. The series 2 was so slow it was laughable, and the battery only lasted about half the day. I love my S5 but am still hoping to upgrade to the S8 if there are some worthy changes. I decided to skip the S6, so when the S7 was discovered to be essentially the same as the S6 I decided to skip the S7 too. Really hopeful S8 brings something new to the table or at least a faster processor and better battery life.
Score: 9 Votes (Like | Disagree)