Cloudfogger - Easy and secure encryption for the cloud. Provides security for all cloud storage services like Dropbox, OneDrive and Google Drive.
Punkt - Private & secure one-sentence journaling
BoxCryptor - Boxcryptor encrypts your sensitive files before uploading them to cloud storage services like Dropbox, Google Drive, Microsoft OneDrive, Box, and many others.
Happyfeed - A simple gratitude journal for iOS
Mega - Secure File Storage and collaboration
Dear Diary AI - Take a break and add some peace to your day