About Holler
Opterus Holler is for chatting and sharing with your Opterus user community.
Holler allows Opterus users to chat on their mobile devices and share pictures and status updates in a feed. People can post, like, comment and reply to feed posts. People can also create one-on-one as well as group chats, name their chats, add people, and chose to leave a chat. Your Opterus Administrator can also set permissions to decide who can use the chat app.
Note that only active Opterus users with permission can login to Holler and you need to contact Opterus to activate Holler before you will be able to login.
What's new in the latest 2.6.7
Last updated on Jun 11, 2025
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Holler APK Information
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Old Versions of Holler
Holler 2.6.7
Jun 11, 20256.9 MB
Holler 2.6.6
May 24, 20239.1 MB
Holler 2.6.5
Apr 3, 20238.9 MB
Holler 2.6.2
Nov 26, 20228.3 MB
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