FlashChat is a one-to-one texting application that allows users to communicate free of cost (provided that they have data conn.) without any limitations. Users can send and receive messages, edit their profile pictures, change their bios, and do a bunch of other stuff.

Contact integration
Once registered, the users can import their contacts, provided that those contacts have already registered.

Profile customization
Users can change their bios and choose an avatar photo from the camera roll or by taking a photo instantly.

Recent User activity
Users can see when someone from their contacts last checked the app, or if they are currently online.

Messaging
This is the most essential feature of this app. So, this app can handle one to one messaging without any slouch. Also, you can send images as well.

Push notifications
These notifications inform users about newly arrived messages when the app is running in the background.