How do we compare?
We're often asked how we compare to other device detection suppliers, such as DeviceAtlas and ScientiaMobile. Using industry-defined key metrics, we've compiled this handy comparison table. These figures are constantly updating, so be sure to refer to the footnotes.
| Key metrics | 51Degrees | DeviceAtlas | ScientiaMobile /WURFL TM | |
|---|---|---|---|---|
| Prebid modules | .js, Go, Server Java23 | None | .js | |
| Device combinations | 2,819,5831 | Unpublished | Unpublished | |
| Active web device profiles | 46,7652 | Unpublished | Unpublished | |
| All hardware device profiles | 88,7783 | >90,0004 | >105,0005 | |
| TAC coverage | 98.41%6 | Unpublished | Not available | |
| Number of unique active TAC | 73,839 | Unpublished | Not available | |
| Duplicate TACs identified | 2.16% | Unpublished | Not available | |
| Accuracy | >99.9%7 | 99.9%8 | >99%9 | |
| Data sources | Real devices, vendors, and optional anonymous global usage sharing7 |
Multi-sourced device data10 | Unpublished | |
| Multiple environments | Indexed for web, native apps, and mobile operator environments11 |
Indexed for web, native apps, and mobile operator environments8 |
Identifies web and native apps24 | |
| File format | Binary | JSON12 | XML13 | |
| Confidence indicators - avoids false positives | Yes14 | No | Yes15 | |
| Secure on-premise solution | Yes | Yes | Yes | |
| Open-source | Yes16 | No | No | |
| Regular expressions | No | Yes | Yes17 | |
| Transparent pricing | Yes18 | No | No | |
| ISO Accreditations | 9001 & 2700119 | None | None | |
| Free trial with complete dataset access | Yes | Yes | No20 | |
| Frequency of data file updates | Daily for both cloud and on-premise | Daily for on-premise, weekly for cloud21 | Weekly22 | |
| Start Free Trial | DeviceAtlas | WURFL | ||
All competitor information accurate as of 26 February 2025 unless otherwise stated. We aim to keep the table up to date, however, if you see any inaccuracies or outdated information, please email us at marketing@51degrees.com.
Combinations of hardware, operating system, and web browser that are included in the training data.
The number of profiles that relate to devices that have been active on the web during the past 12 months.
The number of devices contained within 51Degrees including those that are either inactive on the web or do not connect to the web (i.e. IoT devices).
Source: DeviceAtlas About our data.
Source: ScientiaMobile.
Our database covers 98.41% of active devices (all that are currently significant and verifiable in the real world).
Real devices contributed by the 51Degrees Contributor. 51Degrees data processing system contains hundreds of millions of unique HTTP headers including crawlers, apps and web browsers. Less than 1.75% of the total available headers form a training data set which is used with machine learning techniques to achieve 99.9% or greater device detection accuracy when compared to the full data set.
Source: DeviceAtlas Why DeviceAtlas
Source: ScientiaMobile Accuracy of our Device Intelligence.
Source: DeviceAtlas: "The multiple sources used by DeviceAtlas derive from various agreements with device manufacturers and Mobile Network Operators, as well as client and user contributions".
Read "51Degrees Announces Native App Device Detection Capability" for more information.
Source: DeviceAtlas Device Data (JSON)
Source: ScientiaMobile WURFL Schema
We allow developers to choose whether they want to receive false positives or not. Refer to our False Positive feature documentation for details on how to do this.
Source: ScientiaMobile User Agent Parser – WURFL
See the 51Degrees Github repository.
Source: ScientiaMobile's Device Detection e-Book
See the 51Degrees pricing for more information.
51Degrees became the first commercial open source company in the device detection game to achieve a duo of ISO 9001 and 27001 standards for quality and information security management. Read more about how and why we embraced ISO.
Source: ScientiaMobile Free Trial has a "device data snapshot file"
Source: DeviceAtlas Pricing
Source: ScientiaMobile "weekly XML file updates"
Prebid: 51Degrees are a member of Prebid with several partner modules, whereas WURFL just have the one community module - Documentation can be found here: Prebid.js, Prebid Server Go & Prebid Server Java
Source: ScientiaMobile Browsers & Apps