Pendo
This is a Note APP that provides a lot of different features. I usually use it to catch my sight of ideas. You can use it to create a to-do list, with calendar and reminder. I like to add some schedule in a day with different time, so it helps me to organized my works and school tacks.
You can create your own journal and some notes, also with some color tags, then you can share on facebook and twitter and other social media, even with your contact list.
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Different features mark as different colors to help you separate them at the bottom. You can even sync with iCloud.
I personally very like this app, most of the time I use it as my jote note and quick idea marker. Sometimes I see have some sights in my mind, I will use it to mark them down, even just some small pieces might help when I need it.