This is not resolved for me. double-clicking the app hangs so I tried directly from the terminal and get an issue that wxpython is not found. I downloaded it today (2016-02-19). OS X 10.11.3, installed pandoc and cairo on top of the frameworks from kyngchaos (qgis is working fine). sip disabled.
iMac:~ $ /Applications/GRASS-7.0.app/Contents/MacOS/grass70
Starting GRASS GIS…
ERROR: wxGUI requires wxPython. /Applications/GRASS-7.0.app/Contents/MacOS/etc/python/wx/_core_.so: no appropriate 64-bit architecture (see "man python" for running in 32-bit mode)
Error in GUI startup. If necessary, please report this error to the GRASS developers.
Switching to text mode now.
Hit RETURN to continue…
Traceback (most recent call last):
File "/Applications/GRASS-7.0.app/Contents/MacOS/grass70", line 1438, in <module>
set_data()
File "/Applications/GRASS-7.0.app/Contents/MacOS/grass70", line 681, in set_data
gui_startup(grass_gui == 'gtext')
File "/Applications/GRASS-7.0.app/Contents/MacOS/grass70", line 703, in gui_startup
os.execlp(cmd_name, "-text")
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 329, in execlp
execvp(file, args)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 346, in execvp
_execvpe(file, args)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/os.py", line 382, in _execvpe
func(fullname, *argrest)
OSError: [Errno 2] No such file or directory