The Plus version covered all the features of the free version of this app and in addition,
it contains the following new features :
1. Support adding mp4 video to editing area.
2. The number of note pages is unlimited in this version.
3. Easy setting of multi reminder alarms.
4. This version add much more new chinese characters for auto-complete.
5. The material in the editing area can be saved to external storage such as sdcard for storage. (This function worked for Andriod OS lower than 4.4)
6. The saved data can be encrypted using user-defined password before you sent to cloud or the internet. (This function worked for Andriod OS lower than 4.4)
This app has a free version that you can try first.