Apple’s Ultra lineup has become the go-to smartwatch series for adventurers, athletes, and users who want the most capable Apple Watch available. Since its debut, the Apple Watch Ultra has earned a reputation for combining rugged durability with premium smartwatch features.
Now, attention is turning toward the Apple Watch Ultra 4, which is expected to arrive later this year. While Apple has not officially announced the device, several leaks and industry rumors suggest that this could be the biggest upgrade to the Ultra series in years.
Here’s a closer look at what we might see.
Watch the full overview of Apple Watch Ultra 4 rumors and expected features
A Quick Look Back at the Apple Watch Ultra
The original Apple Watch Ultra introduced a new category within Apple’s smartwatch lineup. Designed for outdoor enthusiasts, divers, hikers, and endurance athletes, it offered a larger and more durable design, exceptional battery life, and the customizable Action Button.
The Apple Watch Ultra 2 followed with improved performance thanks to a newer chip, along with minor battery improvements and a few refinements.
Later updates introduced new color options and accessories, but the overall design remained largely unchanged.
The Apple Watch Ultra 3 brought more meaningful upgrades, including Apple’s newer S10 chip, 5G cellular connectivity, and satellite-based emergency communication features. These additions made the watch even more useful for users who spend time in remote locations.
With the Ultra 4, Apple may finally be preparing for a much larger evolution.
A Major Design Refresh Could Be Coming
One of the most exciting rumors surrounding the Apple Watch Ultra 4 is a redesigned body.
The Ultra has maintained a very similar appearance for several generations, so many users believe a refresh is overdue. Reports suggest Apple could make the watch noticeably thinner while maintaining its rugged identity.
A slimmer design would not only improve comfort but could also allow Apple to redesign internal components more efficiently. Similar to recent iPhone redesigns, the biggest changes may happen inside the device rather than through dramatic external changes.
Some rumors also suggest a slightly larger display, giving users more screen space without significantly increasing the watch’s overall size.
See what a thinner redesign and larger display could mean for the Ultra 4
The New S11 Chip Could Improve Performance and Efficiency
Every new Apple Watch generation typically receives a processor upgrade, and the Apple Watch Ultra 4 is expected to continue that trend.
Industry sources believe Apple will introduce a new S11 chip. While users may not notice a dramatic speed increase in daily tasks, the new processor could improve energy efficiency, helping extend battery life.
Combined with updated communication hardware and internal redesigns, the result could be a watch that delivers stronger performance while consuming less power.
Better Battery Life Is Likely
Battery life remains one of the biggest selling points of the Apple Watch Ultra series.
Current models can comfortably last around two days under normal use, which is already impressive compared to many smartwatches.
With a more efficient chip and improved internal design, Apple could push battery life even further. While users shouldn’t expect a full week of usage on a single charge, reaching two-and-a-half to three days may be possible.
For hikers, travelers, athletes, and outdoor explorers, every extra hour of battery life matters.
Improved Health Sensors May Arrive
Health tracking continues to be one of Apple’s biggest priorities.
According to recent rumors, Apple could introduce an updated blood pressure monitoring system in the Ultra 4. The company is reportedly focused on improving both accuracy and efficiency.
More efficient sensors could reduce power consumption while providing more reliable health insights. This would align with Apple’s long-term strategy of making the Apple Watch an increasingly powerful health and wellness device.
Although current sensors already perform well, Apple typically looks for ways to refine accuracy with each generation.
Will Touch ID Finally Come to the Apple Watch?
Another interesting rumor involves Touch ID.
Some reports suggest Apple has explored adding a fingerprint sensor to future Apple Watch models. This feature could make payments and authentication more secure and convenient.
Imagine approving purchases directly from your watch with a simple fingerprint scan instead of relying solely on button presses.
However, conflicting reports indicate that Touch ID may not be ready for this year’s model. As a result, this remains one of the less certain rumors surrounding the Ultra 4.
The Glucose Monitoring Feature Still Appears Distant
For years, one of the most anticipated Apple Watch features has been non-invasive glucose monitoring.
Apple is reportedly continuing to invest heavily in this technology, but current rumors suggest it won’t arrive with the Apple Watch Ultra 4.
Developing a reliable blood sugar monitoring system is extremely challenging. Because health-related data must be highly accurate, Apple appears to be taking a cautious approach before releasing the feature to consumers.
While progress is reportedly being made, users may need to wait a little longer before glucose monitoring becomes a reality.
Advanced Satellite Connectivity Could Be a Game Changer
Perhaps one of the most exciting rumors involves next-generation satellite connectivity.
The Apple Watch Ultra 3 already supports satellite-based emergency features, allowing users to send SOS messages when traditional networks are unavailable.
The Ultra 4 could take this much further.
Reports suggest Apple is exploring satellite-based data connectivity, which could allow users to access online services even when outside cellular coverage areas.
If implemented successfully, users could potentially stream music, sync data, send messages, and access cloud services in remote locations without relying on traditional mobile networks.
For adventurers, hikers, and travelers, this would be a significant upgrade.
Learn how next-generation satellite data connectivity could transform the Ultra 4
Should You Wait for the Apple Watch Ultra 4?
Based on current rumors, the Apple Watch Ultra 4 could become one of the most important upgrades in the Ultra lineup since the original model launched.
Potential improvements include:
- A thinner and redesigned body
- A more efficient S11 processor
- Longer battery life
- Improved blood pressure monitoring
- Possible Touch ID integration
- Advanced satellite connectivity
Of course, Apple has not officially confirmed any of these features, so they should be viewed as rumors rather than guarantees.
Still, if you’re considering upgrading your smartwatch this year, the Apple Watch Ultra 4 is shaping up to be one of the most interesting Apple products to watch. For a closer look at what watchOS 27 brings to existing models, our watchOS 27 features breakdown covers the software updates coming to the platform.
Final Thoughts
The Apple Watch Ultra has already established itself as one of the most capable smartwatches on the market. If the current rumors prove accurate, the Ultra 4 could push that reputation even further.
A redesigned form factor, stronger battery performance, smarter health features, and expanded satellite capabilities would make it an attractive upgrade for both existing Ultra users and newcomers alike.
As always, we’ll have to wait for Apple’s official announcement to see which rumors become reality. Until then, the Apple Watch Ultra 4 remains one of the most anticipated wearable devices of the year.