Location logging tool.

Create logs of your position and waypoints using location services. Edit these points and export and email the data.

Run in "Significant Changes" mode and get all day logs without a major impact on battery life.

No accounts need to be created to access data files. They are accessed by email/sms or through the file sharing in iTunes.

Create named waypoint from iOS location services or by dragging a pin on a map.
View, edit and delete waypints.
Send waypoints by sms.
No limit on number of waypoints which can be stored.

Open waypoint sms waypoint messages from other logger app users.

Create named logs of points from iOS location services.
Log locations in background.
Log approximate locations using gsm/wifi which uses negligable battery.
View, edit and delete logs.
View log duration, distance, min/max altitude and max speed.
No limit on number of logs or points which can be stored.

Configure to stop using gps below a given battery threshold.

Export kml/gpx files of logs and waypoint which can be copied from iTunes.
Email kml/gpx files of logs and waypoint.

Note:
Continued use of GPS running in the background can dramatically decrease battery life.