Hi @romane2m, thanks for your query. We can confirm that the storing of calibration data does indeed require the purchase of the custom calibration licence to do so and that without such, it is necessary to rely on calibration handling via the Default Tobii Software.
Our apologies if this causes you undue inconvenience. For a quote regarding a custom calibration licence, please send an email to [email protected]
Best Wishes and please let us know if we can provide you any further information.