https://www.ur-browser.com/en-US/privacy-policy
>Ads appearing on our Services may be delivered to users by our advertising partners, who may use cookies. These cookies allow the ad server to recognize your computer each time they send you an online advertisement to compile Non-Personal Information about you. This Privacy Policy does not cover or govern the use of cookies by any applicable advertisers.
Here's part of the info from the EULA terms:
> 13. Advertisements.
>>>A) Some part of the ADAPTIVEBEE Software is supported by advertising revenue and may display advertisements and promotions. If UR Browser’s full privacy features are not used these advertisements may be targeted based on browsing habits via cookies and other third party mechanisms while using the ADAPTIVEBEE Software or other information.
>>>B) The manner, mode and extent of advertising by ADAPTIVEBEE on the ADAPTIVEBEE Software is subject to change without specific notice to you.
>>>C) In consideration for ADAPTIVEBEE granting you access to and use of the ADAPTIVEBEE Software, you agree that ADAPTIVEBEE may place such advertising on the ADAPTIVEBEE Software and in any Services provided via ADAPTIVEBEE Software.
They also mention some other things that might raise concerns in their policy, like reserving the right to change a user's selected search engine at any time and ...
>D) By installing UR Browser on your computer, you consent to the association of the search settings to our third party affiliate partners and their Terms of Service: oscobo, lilo, bing, oath;
There's likely more, but that's enough for me, along with the reserved right to change policies at any time.