GPS Averaging

I got what I think we're accurate coordinates. I'm fairly new to geocaching and don't know the ins and outs of GPS stuff. I'd love to know how to clear the growing list of coords. I'd like to know which coords are my absolute average. I'd have scored it higher but I don't know for sure if I'm using it correctly.

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In limited testing, the app seems to work as advertised, but the interface is extremely laggy- it seems to process at most one touch event per second while averaging, and when I tried to figure out how the +/- buttons for outlier exclusion worked, the app very quickly became unusable. Also, it does not record altitude, making it useless for my use case (mapping). I am now seeking a refund.

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Could not find way to have units in metric system. Want to get average as long as 3-5 minutes but either freezes or exit when it reaches 250 or more samples.

Now I realize that I am reviewing the very first version of this app, so this is not a complaint but rather a wish list for future versions. Needs options similar to L4C like offline map tiles caching and an option to save GPX files in other applications such as Fileapp and DocsToGo, Other email and social media apps. Or how about an option to send over Wi-Fi via FTP where another device can open/save using a web browser? That would be sweet.

I really love this app. It makes my coordinates much more accurate and easy to obtain. I think both hiders and seekers will appreciate this app. I also like the minimal interface, which made perfect sense to me.