This app includes topographic maps around Turku area (scales 1:50 000, 1:100 000 and 1:250 000). See support page for detailed description of the area. Size of the area is 144 km x 144 km. Using the app doesn't require an internet connection. You can use pinch zoom or zoom in by double tap and zoom out by two finger tap.

Search list includes over 3 000 place names. Heading button shows where the device is heading: 0° is grid north, 90° east etc.

With Location button you can load a map centered to your location. Your coordinates are shown in blue numbers and center of the screen is shown in black numbers. Gray grid has different size depending on zoom factor. You can see the grid size in the title bar. You can save the map to Photos app and for example email it from there.

App contains data from NLS topographic maps 1:50 000, 1:100 000 and 1:250 000, 05/2012.
Terms of use: http://www.maanmittauslaitos.fi/en/NLS_open_data_licence_version1_20120501

App contains data from the NLS Place names 1:250 000, 2011.
Terms of use/license of the datasets:
http://www.maanmittauslaitos.fi/en/Terms_of_use_licence_until_20120430

Please see my other map apps too.