I've been using Commit on my iPhone, it helped me get into the habit for a while but I've given up on keeping my journal some time ago... most likely because of the depression I've silently got myself into - never mind that it's one of the main tools to get out of a rut, so thanks for reminding me again :)

Let's commit to keep a journal - good luck to you too: https://itunes.apple.com/us/app/commit/id473527073?mt=8