We have tested and can recommend the following:
Ever Accountable www.everaccountable.com
A filter for Windows PC’s. Users should request the MyWebFilter policy when enrolling.
Home and business-grade content filtering for Windows. All filtering is performed locally on each workstation. This greatly improves speed and performance, especially in low bandwidth situations.
Designed for general and business users who require a reliable and convenient filter. The Safari browser is filtered as well as in-app browsers.
Designed for users who need reliable browsing using Chrome and Play Store access. It also allows speech to text and voice commands in Google Maps, etc.
A very secure iOS filter similar to CloudVeil Global. Some apps are blocked by default due to the inability to filter them. iOS devices must be initially configured by a Compass technician.