Simplify

2.60/mo*

1.05/mo teacher/non-profit employee
0.26/mo student/volunteer

 suggested retail per user*

Office 365 simplification
  Email app (aggregate Exchange)
  Document app (aggregate SharePoint,
  OneDrive and file server)

Collaboration & communication
  Web content live tile
  News feeds
  SharePoint news
  Yammer social feeds
  Teams chat live tile
  To-Do live tile
  Power BI live tile

User & app management
  Shared tile groups
  (Azure) Active Directory Sync
  Import users from Office 365

Single Sign-On
  Using Azure AD

Adapt

5.20/mo*

2.10/mo teacher/non-profit employee
0.52/mo student/volunteer

 suggested retail per user*

Everything from Simplify 

Remote applications
  Clientless RDP
  Citrix Virtual Apps & Desktops
  integration

Organisational features: 
Premium user & app management**
  Conditional access
  Maintenance window
  Owner permissions
  Workspace read only access
  Guest access (free users)
  Multiple branding sets

Collaboration & communication**
  Announcement centre

Boost

7.80/mo*

3.10/mo teacher/non-profit employee
0.78/mo student/volunteer

 suggested retail per user*

Everything from Simplify and Adapt 

Organisational features: 
Extended live tile integrations**
  Third party live tiles (e.g. support
  tickets)
  API for third party applications

Business apps**
  Business app forms 
  Business app builder
  Business app live tiles
  Data connectors