Do you use GIMP or Krita? Why?

I've used both and I think each is suitable for a different activity. Krita works very well with graphic tablets and feels tailored towards people who use them. However, it also has some neat editing features which should allow the artist to do pretty much all of their work in Krita, from start to end.

GIMP, on the other hand, doesn't feel like a drawing program at all; at least not by default. I often read it's intended for photo manipulation rather than image creation, which is also what I use it for and I have to agree with the saying.

Why not Krita?

Well, for starters I have no idea how to draw. In fact an average 5 yr old kid is still 5 times better at it than me.
Also this->

The following NEW packages will be installed:
calligra-data calligra-libs docbook-xsl fonts-lyx kate-data katepart kde-runtime
kde-runtime-data kdelibs-bin kdelibs5-data kdelibs5-plugins kdoctools krita krita-data
libattica0.4 libdbusmenu-qt2 libdlrestrictions1 libexiv2-13 libfam0 libfftw3-double3 libgpgme++2
libiodbc2 libkactivities-bin libkactivities-models1 libkactivities6 libkatepartinterfaces4
libkcmutils4 libkdcraw-data libkdcraw23 libkde3support4 libkdeclarative5 libkdecore5 libkdesu5
libkdeui5 libkdewebkit5 libkdnssd4 libkemoticons4 libkfile4 libkhtml5 libkio5 libkjsapi4
libkjsembed4 libkmediaplayer4 libknewstuff3-4 libknotifyconfig4 libkntlm4 libkparts4 libkpty4
libkrosscore4 libkrossui4 libktexteditor4 libkxmlrpcclient4 libmysqlclient18 libnepomuk4
libnepomukcore4 libnepomukquery4a libnepomukutils4 libntrack-qt4-1 libntrack0 libopencolorio1
libphononexperimental4 libplasma3 libpolkit-qt-1-1 libpoppler-qt4-4 libqca2 libqca2-plugin-ossl
libqt4-declarative libqt4-designer libqt4-qt3support libqt4-script libqt4-sql libqt4-sql-mysql
libruby2.1 libsolid4 libsoprano4 libspnav0 libssh-gcrypt-4 libstreamanalyzer0 libstreams0
libthreadweaver4 libtinyxml2.6.2 libyaml-0-2 libyaml-cpp0.3 mysql-common nepomuk-core-data
ntrack-module-libnl-0 oxygen-icon-theme phonon phonon-backend-vlc plasma-scriptengine-javascript
ruby ruby2.1 rubygems-integration soprano-daemon vlc-plugin-pulse

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Why GIMP?
Coz it's awesome and you can do very nice work with it after playing for a couple of hours. GIMP is intuitive, easy and powerful. Learning how to use it like a pro is not easy at all though, especially if u are lazy like me. :)

EDIT: forgot to attach an image. It's a 5 minutes shitty GIMP work. I like making shitty GIMP memes.

I was using GIMP for everything until two years ago, image manipulation and drawing with a graphic tablet. Now I use GIMP for image manipulation and Krita just for drawing, which has better brush engine and drawing tools.

Just depends what you are going to use it for. In case of doubt, use GIMP.