Ace Trace is a free Android app developed by Alexander Ivkin that allows you to turn your videos into highlights by adding a colorful line showing the trajectory. This app is perfect for golfers, disc players, bird watchers, and anyone who wants to highlight motion in their videos.

With Ace Trace, you don't need to run complicated video editors on your computer. The app has a simple phone interface that makes video editing easy and quick. You can add colorful lines to your videos in just one minute on your phone. Plus, no tripod is required. You can ask your friend to record on the phone and the line will stay in place, no matter how much they move the camera around.

Ace Trace makes your videos stand out by adding colorful lines so that people can see where the ball drive went. You can track the golf ball flight automatically or manually shape your line. You can choose from different line styles and add the distance to your shots. Once you're done, you can easily share your video on social media.

Overall, Ace Trace is a great app for people who want to add a little bit of excitement to their videos. It's easy to use, quick, and produces great results.