In order to use the MyMap + more, please consider buying the Pro version.
Note : For Lite version users
When import data from mymapplus.com to iPhone,,,
1: The first 3 groups will be imported to iPhone.
2: The first 10 markers/group will be imported to iPhone.
3: and each 1 group from "search result groups", and "group from other account" that will be imported.