How many times did you cancel an appointment because you had another event at the same time?
How long have you been putting off what you really want to do? With Opus One, you can organize
your schedule, prioritize your tasks, write your to-do list, assign the events for the day, the week, the
whole month or even establish your personal long-term goals.
This app is ideal for you if:

● You look for something more than just a calendar, a tool that shows you your agenda, allows
you to reorganize, schedule and establish the most relevant events of each day.
● You need an alarm that reminds you of your tasks and meetings.
● You have different types of events, at home or with friends, and you need that your personal
planner helps you to divide them by categories.
● You want to write down your ideas, reminders, important data or contacts; with text, voice
notes or even locations on the map.
● You have long-term plans, and you want to keep the track of.
● You look for daily motivation from great leaders who discovered that by being masters of
their time, they could fulfill all their purposes.
If you want even more, you can buy the universal subscription of Opus One to get:
● Weather information and forecast up to the next 10 days of the city where you are.
● Synchronization of your notes, tasks and events in the cloud of other iOS devices and MacOs.
● Sketch drawing canvas optimized for Apple Pencil.
● Categories color-coded.
● Add tasks using Siri.
● Planner themes to give your personal touch to your agenda.

Keep in mind that this subscription will be charged to your iTunes account and it will be
automatically renewed unless you deactivate this feature 24 hours before the current period.
Remember that you won’t be able to cancel it at the period that it’s already active.

You just dedicated a few minutes of your hectic schedule to read up to here, now, you just need to
download the app on your iPhone or MacBook to check how we can turn each of those minutes into
fulfilled projects, without cancellations or delays.

Check out our Privacy Policy:

Check out our Terms of Services:

What’s New

Version 1.7.5

√ Fixed Opus One not opening after activating trial.
√ Fixed crash when clicking on the training icon.
√ Fixed crash on earlier operating systems.

• Added actions to Eisenhower Matrix Quadrant 4.
• Changed OnBoarding Screen.
• Pressing the add task button will now create a new task and open the task card.
• Added contact support option in Help Menu.
√ Fixed Meeting Planner Text.
√ Fixed an error involving categories loosing their calendar configuration.

Ratings and Reviews

3.3 out of 5
3 Ratings

3 Ratings

Kuba.,. ,

Sync problems betwen iPhone, Mac and iPad

App with so much potential, but sync problems make it almost useless. After last update still doesn’t work well. This time synchronising between iPad and iPhone works, but not with the Mac. So annoying!


PISO 13, Inc.
39.1 MB

OS X 10.11 or later, 64-bit processor


English, Spanish

Age Rating
Rated 4+
© 2018 PISO 13, Ltd.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

More By This Developer