Informer is a Wear OS app that enhances the functionality of your smartwatch by allowing you to receive notifications and messages from various apps, including WhatsApp, Viber, Facebook Messenger, Telegram, and Threema. With Informer, you can view the history of notifications and missed calls on your smartwatch, reply to messages with your voice or predefined phrases, and view images sent via these apps. The app also notifies you when the connection to the phone is lost and allows you to set night silence hours to avoid disruptions.

Informer offers a premium membership that provides additional features such as listening to WhatsApp voice messages, accepting WhatsApp video calls, and sending voice replies from your watch. The app also allows you to adjust the text size for messages, mute selected chats, and tap on the icon to open the chat on the phone. Informer supports all Wear OS smartwatches, including Samsung Galaxy Watch4 (Wear OS 3), TicWatch, Oppo Watch, Xiaomi Mi Watch (square Wear OS only), Suunto 7, Fossil SmartWatch, Moto 360, Tag Heuer Connected, and many more.

To use Informer, install it on your phone and grant permission to access notifications by selecting the first setting "Service is OFF. Turn it ON?". The app is easy to use and provides a convenient way to stay connected with your messages and notifications on your smartwatch.

Overall, Informer is a useful app for Wear OS smartwatch users who want to stay connected with their messages and notifications on their wrist. With its various features and premium membership options, Informer provides a comprehensive solution for managing your notifications and messages on your smartwatch.