Refusal to fix fundamental bug
Since the ios 7 update many months ago the map layers (specifically google) are low resolution and pixilated. This is the only mapping app Ive seen that does this and its due to the developers refusal to access Googles layers in the same way that every other app does and that google has recommended. They have been aware of this issue for months but have apparently had no desire to fix it.
Zcel about
GPS Kit - Offline GPS Tracker, v7.0.1