OmniOutliner vs Checkvist : Which is Better?

OmniOutliner

OmniOutliner is a commercial outlining software for Mac OS X. Developed by The Omni Group

License: Commercial

Apps available for Mac OS X iPhone iPad

Checkvist helps you create and share online outlines, project plans, online checklists, and task lists. Developed by Trirt Software, s.r.o.

License: Freemium

Apps available for Online Android iPhone iPad

Feature	OmniOutliner	Checkvist
Support for OPML import of feeds
Multi Column View
Notetaking
Export to OPML
Import feeds from OPML
Outline folding
Outline organization
Outliner
Programmable
Styles based on outline hierearchy
Task Management
MarkDown support
Database
Visual bookmarks
Custom templates
Hierarchical structure
Infinite hierarchical depth
Tree structure
Support for Android Things
Support for Keyboard Shortcuts
Search by tags
Distraction free writing
Tracking of characters
File-organization
Customizable
Emacs integration
Web-Based
Command line interface
Works Offline
Wiki-like interface
Cross Linking
Todos
Sync with Dropbox
To-Do management
Java
Evernote Client
Collaborative
Checklists
Cloud sync
Content Filtering
Integrated Search
Keyboard centric
Keyboard focused
Real time collaboration
Save Attachments
Streamlined interface
Wiki-like local linking
Kanban boards
Gmail integration
Google Calendar integration
Recurring tasks
Custom data fields
Scrum boards
Built-in Commenting System
Mind Map view
Team Collaboration
Calendar integration
Google Drive integration