Interval

Interval is an application written to help commercial crab fisherman set pots. It will play an alert sound every time the GPS detects a certain distance has been traveled since the last alert. You can set the alert sound to any sound file that would normally work as a Ringtone or Notification.

It's free of charge to download the installation package of Interval, also, you can take a look at users' reviews on Droid Informer. The app works fine on Android 4.0.3 and higher. This application is completely safe to download. Mooserve Apps is the official developer of the tool which can be found in the Maps & Navigation category.

The most recent release was on Jul 8, 2019 and Interval was downloaded and installed by over 10 users. On Google Play, the app has been rated 4.1 by its users.