Video Comparison Playback Duel

The "Duel"' app is an app that allows you to play and compare two videos side by side at the same time to analyze the differences.
Visualize the "difference between you and your rivals" by playing videos, such as comparisons of running in motor sports, alpine skiing, track competitions, etc. ,as well as form comparisons in swings, batting, dancing, etc.
To play videos, simply select two videos and tap the play button.
In addition to slow playback, you can set chapters in a video and start playback from the same point.
The videos that can be played are those stored on your smartphone or tablet.
Videos shot with a video camera can also be imported into the app by connecting to an SD card reader.
Downloaded videos, etc. can also be imported into the app via Google Drive.
Chapter settings can be freely registered in milliseconds while playing the video.

◆What you can do with this app
-You can play mp4 video files on your smartphone.
- You can play two videos side by side in sync or in slow motion.
- You can freely set up to 5 playback positions (chapters).

◆This app is recommended for the following people
・For those who want to check motorsports driving videos on-site.
・For those who want to check the difference between us and our competitors with a video
・For those who want to self-check their form such as swinging, batting, dancing, etc.

◆Things to note
This app can play video files (mp4 format, aspect ratio 16:9, full HD or lower) on your smartphone or tablet.
It does not support streaming or downloading.