Sorry, but I don't use one. Don't see the need. Unless you're a pro or going to be one it's easy to keep the stats you need without having to enter them onto a device.
As for club distance I just hit a number of balls with one club and measure the distance(it's done on a calm day with 60-80 degree temps). I use the distance that the majority land and that's the distance I hit that club while using a normal swing. I then do that swing with all my clubs for their distance and practice swinging at that speed.
All those numbers that you'll get will not replace a swing you can replicate and that can only be accomplished on the range....then taken to the course...lessons are a must if you don't have a repeatable swing...
Number one is being honest in your own swing evaluation...most golfers are not...
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