Years ago I bought the Wixey. Compared to nothing it's awesome.
But after getting used to it I wished it had a little higher resolution.
As far as accuracy goes .1 degrees isn't as fine as you think if the joint is long.
Also, short lived hard to find batteries was a real pain.
Then I found out about the Beal Tilt box. Even though the accuracy was said to be the same
the higher resolution would be a benefit and the readily available battery was a big plus.
Higher resolution? When your sneaking up on a very precise angle on something that allows fine adjustment like a table saw then the change from one tenth of a degree to the next seems interminable. You move the tilt wheel on the saw quite a bit an the digital readout remains the same until all of a sudden it's another tenth more. Having a half-tenth display is a benefit ,all other things being equal.
Trouble is all other things weren't equal. There is another specification that isn't shown and that is the how often the device checks the angle. On tools that have crude adjustment like the TS circular saws the device might not be able to keep up with how fast you change the tilt of the saw. You might have hit the right position but the device is still on the previous "look-see" and you continue moving the saw past the place you want.
The there is plain raw accuracy and how well the devise is made. Since I bought the Tilt Box Beal has added this disclaimer to it's description. " The original Tilt Box was advertised as having a resolution of .05 and an accuracy of .1. While this was (and remains) true of many of the units, it is not, we have discovered with time, true of all of them, and so, for the sake of accuracy, we are now downgrading our claims to the more realistic .2 of a degree." You have to applaud the candor.
Accuracy, is there a difference between Wixey's "+/- 0.1" and Beal's (and iGauges's) .2 degree accuracy? Does +1 and minus 1 add up to .2 somehow? That kind of stuff has always confused me. So, it's better for me to take the two devices and glom them side by side onto a 12" saw blade and see how they respond. (I did this test a while back because my neat high resolution Tilt box was behaving suspiciously.) The Wixey slowly ticked of the changes from one tenth to the next and the Beal display changed twice as fast as it displayed half tenths as well. Except when it didn't. Sometimes it stalled and then jumped whole degrees. I was shocked at how erratic the display was. I probably have a bad one but that was the last time I used the Tilt Box. Wherever it is the battery is probably still good.
I know where the Wixey is, I tried to use it yesterday and the battery was dead.
Bottom line, buy the new Wixey and when you use it figure out a way to change the angle in a slow and steady manner for best results. On a TS saw for example clamp the base to a table and rig up a fulcrum and lever so you can move the saw smoothly.