Catch

Available on: iOS and Android

Priced at: Free

Catch is an app that helps a user capture moments, ideas and anything just ensuring that one does not miss something very important. The user can create voice, text, photo notes online and even offline. This app unlike other apps in the store lets the users quickly share checklists to collaborate and work easily. It also has the feature of protecting a note with a four digit password.

Slice

Available on: iOS and Android

Priced at: Free

Slice helps a person to track and organize all online shopping functions. Apart from being an awesome package tracker, the app securely scans all emails, alerts, notifications from emails, iTunes, Amazon and from anywhere a person shops. It creates a great archive of purchases.

SwiftKey

Available on: Android

Priced at: $3.99

This is an android app that can be a replacement for old and outdated mobile keyboards. The app is smart as it automatically detects what the user has typed in the past from text messages, email, chat, twitter etc. It smartly provides suggestions on what the user would say.