WhatsDeleted is an app that lets you view deleted messages on your phone. This app is free, easy to use, and will let you view all the messages that you have received from any social media app on your phone.

The Unseen online - WhatsRemoved's main characteristics
Read all communications sent by social media apps.
Easy to use and available for free download
Read messages that don't have a last seen
View text, photos, and videos
Save all notification history logs across all apps (option 4)
Retrieve deleted messages
Playback unseen messages for the Snapchat tracker.

Supported Social Media Platforms:
WhatsApp
Facebook Messenger
Instagram
Telegram
Viber