Opening the iTunes Store.If iTunes doesn't open, click the iTunes application icon in your Dock or on your Windows desktop.Progress Indicator
Opening the iBooks Store.If iBooks doesn't open, click the iBooks app in your Dock.Progress Indicator

iTunes is the world's easiest way to organize and add to your digital media collection.

We are unable to find iTunes on your computer. To download the free app Mainframe by ThusFresh, Inc., get iTunes now.

Already have iTunes? Click I Have iTunes to open it now.

I Have iTunes Free Download
iTunes for Mac + PC


By ThusFresh, Inc.

Open iTunes to buy and download apps.


Mainframe is a messaging platform for workplace communication. Built to enhance each employee's work environment— more connection, more collaboration, and more productivity.

*** Mainframe is cross-organizational
- Not just a tool for internal communication, have rich communication with anyone
- All your different teams and organizations show up in one place, and you only need one username

***Mainframe is for teams and companies
- Set up a team and invite co-workers directly into associated channels with one click
- Admin capabilities allow you to add and remove other members or guests

*** Mainframe makes it simple to add highlights in each message
- Highlight certain phrases, mark them as “Actions”, and assign them to people.
- @Mentions: make sure specific people see certain parts of the message

*** Mainframe has the best of modern messaging
- Have real-time conversations
- See who’s typing and actively engaged in the conversation

*** Mainframe is cross-platform and native experience
- Have rich communication on mobile and on desktop
- Android, iOS, Windows and Mac

Any problems, feedback or just even simple expressions of love, please email us at

What's New in Version 1.8.1

Various behind the scenes improvements and cleanup. Plus some smaller goodies:
- Edit subject & channel name
- Change password

iPhone Screenshots

iPhone Screenshot 1
iPhone Screenshot 2
iPhone Screenshot 3
iPhone Screenshot 4
iPhone Screenshot 5
View in iTunes
  • Free
  • Category: Productivity
  • Updated:
  • Version: 1.8.1
  • Size: 9.1 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

We have not received enough ratings to display an average for the current version of this application.
All Versions: