Apps like K2 Workspace

Here are some great alternatives to K2 Workspace by Nintex Mobile :
Google Calendar
Google Calendar
★4.7
MangoApps
MangoApps
★4.2
Business Tasks
Business Tasks
★3.5
Pyrus
Pyrus
★4.2
MobiTask
MobiTask
★4.0
Calendar
Calendar
★4.3
GTD Simple
GTD Simple
★3.3
ToDo List : Task Planner
ToDo List : Task Planner
★4.8
To Do List & Tasks
To Do List & Tasks
★4.4
Essential To Do List
Essential To Do List
★4.1
Google Tasks
Google Tasks
★4.5
TakeWith: Tasks and notes
TakeWith: Tasks and notes
★3.6
To Do List: Manage Daily Tasks
To Do List: Manage Daily Tasks
★4.4
Focus To-Do: Pomodoro & Tasks
Focus To-Do: Pomodoro & Tasks
★4.5
7tasks: Easy Task Management
7tasks: Easy Task Management
★4.3
Tasks: to do list & planner
Tasks: to do list & planner
★4.8