I believe toggl is confusing. It allows you to add time in a very unstructured way. Hyperlogs and much simpler and streamlined app. Its intuitive enough. You get it, get your work done and get out. No guess work, no waste of time figuring thing out.
That all said, you should give it a shot. Sign up and try it, it is free for one user.
I tried out hyperlogs and don't really see that it provides any features over existing timesheet entering solutions yet. It looks good so far and I'll be interested to see how you progress.
I disagree that it's more streamlined though. toggl's killer feature is the ability to switch between tasks with 1 click as I'm performing the work. For mine this is the big distinction between an after-the-fact timesheet data entry app like hyperlogs and an actual time-tracking app like toggl.
The majority of my interaction with toggl is via the desktop app and chrome plugin, any competitor without these integrations is a non-starter.