An effective to do manager. Use our Master Task to get everything off your mind, easily glance at your day or week on the Planner, move from the list to the schedule. Finally drag and drop to reorder, prioritize or reschedule tasks & events.

Our powerful tools include:

1. Daily Task lists with status, priority and notes.

2. Daily Schedule and Event integration with Calendar.

3. Daily Notes with Motivational Quotes and the ability to include text and maps.

4. Master Task list with side Planner Views.

5. Ability to share your notes by email, send them in a message or post them to Facebook and Twitter

The Universal Subscription includes:

1. Power sync with other Macs and with Opus One Mobile. From your lifelong mission to your daily tasks, all in one place and on every device!

2. 10 day weather forecast.

And power features such as:

3. Daily Task lists with:
  • Alerts
  • Due Dates
  • Status
  • Priorities
  • Color Coded Categories linked to specifc Calendars* (to create Events from Tasks)
  • Repeating Rules
  • Task Notes

    4. Eisenhower Matrix View to easily prioritize Daily Tasks

    5. Weekly Planner section with graphic representations of completed and uncompleted tasks by: Category, Compass Role, Value or Weekday. Ever wondered where is your time going? Opus One is here to help you find out and stay on the right track

    6. Meeting Planner for Events with the ability to creat Meeting Minutes and send them by mail with just a few clicks!

    7. Ability to add Images, Drawings, PDFs and Audio in Notes
  • Notes can also be shared via Email, iMessage, Posted to Facebook or Twitter

    8. Master Task list (for tasks without due dates) with side Planner Views, to easily schedule them later.

    9. Compass Section that includes a wizard for new users, custom Roles linked to Values, compass tasks with counter and notes

    10. Goals with:
  • SMART description
  • Categories
  • Tasks
  • Custom images
  • And a log to keep track of your journey.

    11. Personal Growth sections featuring a Mission Builder for those who need a little help building their personal mission statement and values.

    12. Tags and advanced search tools so you can find the information you're looking for with ease.

    13. The ability to add tasks from your iPad or iPhone to Opus One for Mac using Siri & Reminders ... and more!

    Our Universal Subscription is available on a yearly or monthly basis.
    The subscription is auto renewable.
    One subscription will give you access to Opus One for MacOS and iOS platforms.

    Privacy Policy:

    Learn more about Opus One at

  • What's New
  • Fixed a bug where pre-subscription paid users couldnĀ“t activate their special subscription.

  • Opus One (com.piso13.opus1) is a Mac software application that has been discovered and submitted by users of The latest version that our users have reported running on their systems is Opus One 1198. The most popular version of this application used by our users is Opus One 1207.

    Operating System: Mac

    Minimum OS version: 10.11

    Copyright: Copyright (c) 2012 PISO 13, LTD All rights reserved.