Home Forums Software Development Core SDK vs Pro SDK

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    Hello everybody,
    I’m new with Tobii 4C and I want to develop an application with it in order to interact with some objects on the screen.
    I’ve looked to a SDK and I finally found Tobii-Pro-SDK and Tobii-Core-SDK.
    With Core-SDK I’m able to get GazeData and HeadData, and this is the question:
    What are the differences between Core and Pro? Only the possibility to collect data? Or Pro is more accurate then Core? Or it get you more raws data than Core?
    Can you help me to understand?

    Grant [Tobii]

    Hi @emanuelevivoli thanks for your query. There is no difference in accuracy between the Core SDK and Pro SDK although more data is exposed in the Pro SDK such as individual (monocular) eye gaze data along with more detailed calibration feedback, amongst other metrics. You also get access to completely unfiltered raw gaze data in Pro SDK whilst Core SDK has always slight filtering. Also note that headtracking data is not available with the Pro SDK.

    The Pro SDK also supports more language bindings (Python, .NET, C++, Matlab) and other operating systems such as Mac & Linux (Alternative OS support for the Core SDK is still in alpha stage and restricted to Stream Engine API). For developing interaction applications, the Core SDK would be your best bet as the libraries are there ready to use for this purpose whereas you would need to develop from scratch for this purpose using the Pro SDK.

    If you have a 4C, you would still need to purchase the analytical use licence to operate with Pro SDK so the SDK in and of itself does not give you permission to collect gaze data. Further details for purchase @ https://analyticaluse.tobii.com/

    These are the main differences between the two SDK’s, hopefully this clarifies your doubts. If you could kindly describe your intended project, we would be happy to provide further information as necessary.


    Hey, may I ask either one of them more for Unity?

    Grant [Tobii]

    Hi @jiayang, of course! In fact, if you wish to develop for Unity there we have already dedicated SDK’s for this purpose that do not require either the Core SDK or the Pro SDK.

    For the Tobii Tech consumer range of eye trackers such as the Tobii 4C & EyeX, there is available the Tobii Unity SDK for Desktop for which you can download and read further information @ https://developer.tobii.com/tobii-unity-sdk/

    If however you possess a Tobii Pro eye tracker such as TX300, X60, etc then you can use the Unity Bindings of the Pro SDK which you can read more about @ http://developer.tobiipro.com/unity/unity-getting-started.html

    Hopefully this answers your question, please let us know if we can be of any further assistance.

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