Ann: Investor Roadshow Presentation, page-48

I think the big difference is - almost all the other competing products shown also provide a solution for your PC / router.
WGL at this stage is mobile only. Many of the others also provide substantial discounts for 6/12 month plans.. eg. ExpressVPN is $99 / 12mths


WFI looks interesting although the screenshots don't give away much (lorem ipsum comments).
Would be introducing to understand if they are screening actual content (ie. messages) for potentially nasty keywords, or based on usage patterns (eg. a kid suddenly taking a break from messenger may suggest an issue)