Opus One: Daily Planner 4+

To-Do List Calendar & Tasks

PISO 13, Inc.

    • 4.6 • 732 Ratings
    • Free
    • Offers In-App Purchases



An effective to do manager. Use our Master Task section 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. Task Alarms synced through out devices.
6. New Daily Notes section that allow you to change font, size and color for a specific text, phrase or paragraph.
7. Daily Quotes Widgets.
8. New Widgets for Daily Tasks and events at a glance, Mission statement, Values & Principles.
9. Planner Themes.
10. The new notes section will allow you to change font at any point in the note, Change font size up or down and Change font color.
11. Meeting Planner section

The Universal Subscription includes:
1. Cloud synchronization across other iOS Devices and MacOS.
2. Weather Information including Current Weather, 10 Day Weather forecast with automatic city location.
3. Images, PDF's, checklists, maps & audio notes.
4. Sketch drawing canvas optimized for Apple Pencil
5. Color Coded Categories
6. Repeating Rules with advanced customization
7. Goals.
8. Add tasks using Siri.
9. Planner Themes.
10. The new notes section will allow you to change font at any point in the note, Change font size up or down and Change font color.

Our auto renewable Universal Subscription is available on a Yearly or Monthly basis.

One subscription will give you access to Opus One for iOS devices (iPhone and iPad) and MacOS

Information About our Universal Subscription:
- Payment will be charged to iTunes Account at confirmation of purchase
- Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period
- Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal
- Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase
- No cancellation of the current subscription is allowed during active subscription period
- One subscription is valid for all Apple devices (iPhone, iPad and Mac) that have the same iCloud account.

Privacy Policy:

Terms of Service:

What’s New

Version 2.2.8

Thanks for using Opus One as your Daily Planner.

This version includes:

- Fixed crash when opening the note section.

Please feel free to contact us in case you have any questions to opusone@piso13.com

Ratings and Reviews

4.6 out of 5
732 Ratings

732 Ratings

Pajica ,

Opus One is Fantastic!

Opus One is unlike any other app in the productivity category. What makes it completely unique is its emphasis on life leadership rather than just project or task management. If all you’re looking for is a simple way to list your things to do, there are many lighter programs to accomplish that. But if you want a comprehensive program that does a deep dive into exploring and connecting how your life mission and personal values determine your goals and projects, and how those help to create life balance, positive motivation, and steady progress toward life success, this is the only program I have ever seen that accomplishes all that.

The structure is similar to a very popular paper organizer that includes tabs for the most important aspects of an organized life. Starting with defining mission and values, Opus One walks you through the process, step-by-step with great tutorials, so that by the time you’re finished, you have identified what’s most important to you in the various roles you play, how you want to express that through projects and goals, and how to break those down using a weekly “compass” and daily to-do’s to keep you on track to achieving a sane, balanced life.

A very reasonable yearly subscription is required to access all the features I mention above, but one fee opens the app on all devices and I have found its value in terms of increased focus and productivity well worth the price.

Developer Response ,

Hi Pajica! Thank you so much for your feedback :)

Eva Joy ,

A Digital "Paper Planner" You Can't Leave Behind

I have always loved the idea of staying organized with a paper planner, but didn't like having to remember to bring one more thing with me when I leave the house, and frankly, a paper planner can get lost--where it doesn't help you at all. This is visually EXACTLY the same as a paper planner with so many more wonderful features-such as the ability to search through the entire book (all dates) for one name or one phrase to find a note that you left yourself months ago on a particular topic. It syncs between computers as well as to the iPhone, so all info is up to date. I mostly use the desktop version on my big Mac and keep it open in the corner so I have a blank page each day to record notes about what I am working on, phone numbers, lists of things, etc. This is a DREAM app. Totally worth the annual subscription fee. I don't use all the priortiy ordering and other features yet--maybe someday. But even the basic functions are so useful it gives me hope for my crazy busy world in which I own several small companies and need ONE place to keep all things organized. Thank you for this app! I hope you continue to add features and keep it updated!

Writeside ,

Once I understood it's super powers! Update

Updated April 2022:
By far, the best get-it-done app period! This app is so good, really really good. I don't understand why the 'Productivity Gurus' have not reviewed it. Opus One works hand in hand with your daily acivities, goals, and where you are in life. There are so many bells and whistle to keep you on track. And these bell and whistle are ask it to do for you. It has everything to help your dreams come true.

Because of the videos, which are ok but felt like I was in a chemistry class... I didn't really get into Opus One. Only recently, I revisited this app. But this time, I really looked at the features and started using them. OMG... Opus One is now my #1 app, and Things 3 is my #2 (if I use it at all). I discovered OPUS ONE's superpower. I can easily see what my day consists of. Simple and to the point. I can choose what is important, check it off, and build good habits. Don't get me wrong, you have to work with it, but once you get the hang of it... there's no turning back. With Mac's Big Sur, I just found out that Opus One will work. So I'm good. The support team is excellent... answering questions I had quickly.

Developer Response ,

Hi Writeside! Thank you so much for this review 🙏
it makes us so happy to read this because it lets us know that you are using the application in the best way in all its functions. Thank you again! We want to take the opportunity to ask you if we can post this review in our social page? Thanks

App Privacy

The developer, PISO 13, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Purchases
  • Contact Info
  • User Content
  • Identifiers
  • Diagnostics

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Location
  • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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