I'm sure this topic was already discussed. What apps have you found great to use for during your round for shot distances, approach shots, putting slopes, scorecard/handicap, etc.? I want to pick one and upgrade to have the full features this season. I had used 18birdies a little bit last year just to plan shots, keep my score and didn't upgrade, which that alone has been a great help and was an easy app to use.
I was just looking at GolfLogix which looks like they have green slopes mapped out which is great for approach and putts which could help cut a few strokes having that knowledge, a