51Degrees

51Degrees

12/23/2025 5:30 AM

End of Year Service Update from 51Degrees

Dates for the last updates of 2025 and the first updates of 2026.

Find out when the final V3 and V4 data file updates of 2025 will be along with the first updates of 2026.

iptesterhero

51Degrees

12/22/2025 12:30 PM

IP Intelligence Has Officially Landed

Personalization, Privacy & Performance in One API Call

Unlock richer insights for your business with the new 51Degrees IP Intelligence service.

apps

51Degrees

12/15/2025 1:30 PM

Understanding Google’s Native Apps & Device Support Challenges

How does 51Degrees address this issue?

Discover how 51Degrees' DefaultAppStores property offers insight into which app stores are supported by particular device manufacturers.

AdobeStock-309035736-Editorial-Use-Only

51Degrees

12/12/2025 7:30 AM

Apple Device Detection

The model of iPhone is essential for analytics and optimization. 51Degrees handles the complexities.

51Degrees provides four different methods to identify the model of iPhone from available evidence. This article explains the different methods and what you can expect from each.

3pclaunch

51Degrees

12/8/2025 6:30 AM

51Degrees Launches Third-Party Cookie Detection

Understand when third-party cookies are available and make more money.

Discover how and why 51Degrees has implemented third-party cookie detection.

usage-sharing

51Degrees

12/5/2025 5:30 AM

Usage Sharing - How It Works and Why It Benefits You

Discover the benefits and details of 51Degrees Usage Sharing.

Learn about Usage Sharing and why you should consider enabling it.

IPILaunch

51Degrees

12/2/2025 9:30 AM

Version 4.5 Launch

51Degrees launches version 4.5 of Device Detection and introduces IP Intelligence.

Discover the latest features and improvements in Device Detection and IP Intelligence here.

testing

51Degrees

12/1/2025 12:00 PM

Move Beyond Crude A/B Testing

Maximizing technology investment in the real world requires continuous optimization.

Changing just one of these dimensions whilst forcing the others to stay the same is simply not practical in the real world of business.

51Degrees recommend continuous optimization with the most location, device, human (or bot), and network data available to adapt and thrive.

Four Target

51Degrees

11/27/2025 5:30 AM

IP Location Confidence

All IP to location solutions are inaccurate. 51Degrees LocationConfidence gives you an edge.

No IP intelligence solution, including 51Degrees, is going to locate the exact latitude and longitude of a device in practice.

We provide LocationConfidence to help you make smarter decisions and handle the inherent inaccuracies when working with IP address and location.

cpu-and-51degrees

51Degrees

11/13/2025 4:30 PM

Performance Matters

In process and in memory real time IP and User-Agent data to eliminate network latency.

All 51Degrees solutions are written in C code for optimum performance. Data structures are optimized for efficiency and rapid start up times.

In addition to the best ISO 9001 and 27001 accredited processes, applications that use 51Degrees also enjoy the widest range of deployment options.