Opus One: Calendar Planner
Organiser, Notes & Tasks
Free · 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.
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.
11. Meeting Planner section
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:
https://piso13.com/privacy-policy-2/
Terms of Service:
https://piso13.com/terms-of-service/
more Plan your day more realistically with task durations. You can now:
- Add an estimated duration to each task.
- Set a preferred default duration and adjust it for individual tasks.
- See the estimated time directly in the task list.
- Drag a task onto your schedule and have its end time calculated automatically from its duration.
Task durations are optional, so you can use them only when they’re helpful.
This update also lets you insert Note Tags from the text editor toolbar, include Note Tags in custom Notes sections, and access photo options more easily on iPhone. We’ve also improved syncing, refined iPad formatting, and fixed several crashes on Mac and iPad.
2.9.3 13 Aug
We’ve re-engineered the sync process to better protect your data and prevent conflicts when using Opus One across multiple devices.
This update also includes:
• New journal covers for more ways to personalize your experience
• Fixes for issues affecting the rewards system
• Dark Mode improvements and bug fixes
• Additional performance and stability enhancements
2.9.2 14 Jul
This update focuses on improving reliability, syncing, and the new Tags experience across Opus One.
New and Improved
- Added support for Note Tags, including hidden tags and tag source details.
- Improved the Tags interface with better responsiveness and smoother expansion.
- Updated naming in the Daily and Weekly Planners for more clarity.
- Improved search feedback with a more reliable activity indicator.
Fixes
- Fixed several sync issues affecting notes, checklists, task deletions, and note tags across devices.
- Resolved crashes related to CloudKit syncing, shared data updates, and editing note tags.
- Fixed issues with note conflicts when adding agenda items.
- Improved calendar interaction and reduced UI delays in the Achievement/Promo Award overlay.
- Fixed lag when editing title fields and improved horizontal scrolling on Mac.
- Resolved issues with category filters, checklist syncing, and journal tag highlighting.
Thank you for using Opus One. We’re continuing to refine the experience so planning, journaling, and organizing your day feels smoother and more dependable.
2.9.1 4 Jun
This update focuses on stability, search improvements, and a smoother calendar experience across iPhone, iPad, and Mac.
What’s New
- Introducing Note Tags — a simple new way to organize your notes. Add a tag to any note by typing the # sign, then easily find all your tags in the Notes section. It’s a faster, cleaner way to keep related notes connected and easy to find.
- Journals are now included in search results for easier discovery.
Improvements & Fixes
- Restored missing month labels in certain iPhone calendar views.
- Fixed several crashes affecting calendar and task views.
- Resolved an issue where editing the active calendar group on Mac could fail.
- Fixed a bug where the weekend view could jump to the next week unexpectedly.
- Improved calendar group UI behavior on iPhone and iPad.
- Additional performance and reliability improvements throughout the app.
Thanks for using Opus One!
2.9.0 21 May
A smoother, more reliable Opus One—just the way it should be.
We’ve focused this update on fixing the issues that get in your way, so everything feels faster, cleaner, and more dependable across your devices.
Highlights
- Fixed several crashes when creating and editing notes and journal entries
- Improved sync reliability across iPhone, iPad, and Mac
- Resolved issues with daily notes and Cloud sync conflicts
- Fixed crashes related to Meeting Planner and attendee management
- Addressed Mac-specific bugs, including toolbar issues and unexpected text color changes
- Improved overall stability when navigating and organizing your content
Behind the scenes, we’ve also cleaned up cloud data and made performance improvements to keep everything running seamlessly.
2.8.9 1 May
This update brings new ways to organize your journals along with helpful fixes and refinements to make your daily planning smoother.
New & Improved
- Create separate journal sections to better organize your entries
- Added a new sorting option for note sections
- Improved the Delete Category flow with clearer messaging
- Enhanced multi-task deletion dialog for easier bulk actions
- Added an entry counter per journal for better visibility
Fixes & Enhancements
- Fixed an issue where font size could increase unexpectedly when editing daily notes
- Resolved a crash in Event Manager
- Fixed the Grateful Journal link from the Daily Planner
We’re always working to make Opus One more intuitive and reliable—thanks for updating!
2.8.8 24 Apr
This is a major update introducing a new way to organize your thoughts and records.
• New: Journal
Create and manage different types of journals in one place. Keep your entries organized and separate, whether for daily notes, work, or personal use. Includes a dedicated Gratitude Journal to support reflection and positivity.
• Improvements
Performance enhancements for a smoother experience. Fixes and improvements to the Meeting Planner, shared tasks and widgets for better reliability.
Update now to explore the new Journal and enjoy a more seamless Opus One experience.
2.8.7 13 Apr
- We fixed an issue with the Eisenhower Matrix so your tasks stay neatly organized and easy to prioritize.
- Small stability improvements to keep everything running smoothly.
We’re always working to make Opus One better for you. If you run into any issues or have feedback, please don’t hesitate to reach out to us via Support — we’re happy to help!
2.8.6 26 Feb
We’ve made a couple of thoughtful updates to improve your experience:
Fixed: Custom Themes were not saving properly on macOS. The “Save As” option now correctly prompts you to name your theme.
Updated: Removed separator lines from the Eisenhower Matrix on iPad for a cleaner, more focused view.
Thanks for using Opus One! We're always working to improve your planning experience—stay organized and keep the feedback coming.
2.8.5 26 Jan
This update includes important bug fixes and improvements to keep your planning experience smooth and reliable:
Fixed: Note view toolbar now displays correctly on iOS 18 for iPhone and iPad users.
Resolved: Priority levels in the Eisenhower Matrix are now working as expected.
Improved: Font downloads are now more reliable.
Fixed: App no longer crashes when adding a task in the Eisenhower Matrix (thanks to a user report!).
Thanks for your continued feedback—it helps us make Opus One better with every release.
2.8.4 13 Jan
This update brings a few helpful improvements and important fixes to keep everything running smoothly:
Improved Eisenhower Matrix:
- You can now sort tasks within the Eisenhower Matrix—making it easier to organize and prioritize the way you prefer.
iOS 26 Toolbar Update
- We've refreshed the toolbar for iOS 16 to ensure a smoother and more consistent experience.
Bug Fixes
- Resolved an issue affecting tasks in Quadrant 3 of the Eisenhower Matrix.
Thanks for using Opus One! We’re always working to improve your planning experience. If you enjoy the app, feel free to leave a review!
2.8.3 27/12/2025
This update brings important fixes and usability improvements across all platforms:
Bug Fixes
- Fixed a crash when sorting tasks in the Task List.
- Resolved an issue where Face ID interruptions on iPhone could interfere with reward and delegation processes.
- Fixed a problem with saving key data in some cases due to an internal object error.
- Priorities now update correctly in the Daily Planner Matrix on Mac.
Improvements
- Shared tasks now clearly display an indicator, making collaboration easier.
Thanks for using Opus One! If you’re enjoying the app, a quick review on the App Store means the world to us.
2.8.2 12/12/2025
This update brings important bug fixes to keep your planning smooth and reliable:
- Fixed a crash when using ActionManager for improved stability.
- Checklist items are now properly included in search results — find everything you need, every time.
- Removed the "Require Face ID Immediately" option on iPhone to restore access to core features.
- Resolved an issue where the Meeting Planner became uncoupled from events after rescheduling.
- Fixed the Eisenhower Matrix on Mac to restore expected behavior.
Thanks for being part of the Opus One community. We're always working to make your productivity seamless and stress-free.
2.8.1 04/12/2025
• New ability to share tasks with other Opus One users!
• Improved dark mode support across all devices.
• Fixed crash when handling pending rewards.
• Resolved issues with background color in dark mode.
• Added confirmation prompt when deleting notes in note section.
• Enhanced support for iCloud sync and CloudKit deployment.
• New option to set a default calendar in the "All Calendars" group.
Thanks for using Opus One! We're always working to improve your experience — if you enjoy the app, please consider leaving us a review.
2.8.0 07/11/2025
This update includes new features, improvements, and important fixes to enhance your Opus One experience:
New Features
- Added password protection for increased privacy and security on macOS, iOS, and iPadOS.
Improvements
- Event dots are now visible in the monthly calendar view, making it easier to spot scheduled events at a glance.
- Improved calendar behavior: fixed an issue where events were created but the calendar appeared inactive.
- Updated localization when enabling or disabling iCloud sync for better language support.
Bug Fixes
- Fixed an issue where the Task Note view would unexpectedly jump during editing.
- Resolved crashes related to internal object handling and the color picker.
- Fixed an issue where reward points were not awarded when sharing to social media.
2.7.9 10/10/2025
We've made Opus One more stable and user-friendly with important fixes and a few helpful updates:
Fixes & Improvements
- Resolved multiple crash issues across iPhone, iPad, and Mac — including crashes related to WeatherKit, reward logs, daily notes, and live activity tracking.
- Fixed a formatting issue with the temperature gauge layout on iPad.
- The Grateful Journal now properly respects your default font and size settings.
New Feature
- Reorder categories in Opus One Mobile — now available for iPhone and iPad, giving you more control over how you organize your tasks.
- Improved Notes experience: Reduced extra padding and ensured default fonts and colors apply correctly across all platforms.
Thank you for using Opus One! We’re always working to make your planning smoother and more reliable. If you’re enjoying the app, a quick review goes a long way!
2.7.8 23/09/2025
We’ve made a few under-the-hood fixes to keep things running smoothly. Thanks for using Opus One — we’re always working to improve your experience!
2.7.7 21/08/2025
We’ve squashed a few bugs to keep things running smoothly:
- Fixed issues with the Meeting Planner for more reliable scheduling.
- Resolved text display problems in Dark Mode for improved readability.
Thanks for using Opus One! We're always working to make your planning experience even better.
2.7.6 09/08/2025
We’ve made improvements and fixed key issues across all platforms:
New and Improved:
* You can now apply priority changes to all future instances of a recurring task
* Calendars in widgets now reflect your app settings
Bug Fixes:
* Fixed an issue where quotes without authors would not display correctly
* Resolved a bug preventing the Custom Quotes window from resizing on Mac
* Corrected the italic display of the Artford font
* Fixed a font issue in the Breathe tool
* Addressed incorrect task status in the selector (Mac only)
* Fixed an issue where links did not open the correct website (Mac only)
2.7.5 24/07/2025
We’ve made important fixes to keep your planning experience smooth and reliable:
- Fixed an issue where some subscriptions were not recognized, please use restore purchases.
- Fixed a crash that could happen on iPhone and iPad when opening certain screens.
- You can now drag and drop tasks onto empty days in your Weekly Planner without issues.
- Solved a bug on iPad where text kept shrinking next to timestamps.
Thanks for using Opus One — we’re always working to make it better for you!
2.7.4 20/06/2025
We’ve made important fixes to keep your planning experience smooth and reliable:
- Fixed a crash that could happen on iPhone and iPad when opening certain screens.
- You can now drag and drop tasks onto empty days in your Weekly Planner without issues.
- Solved a bug on iPad where text kept shrinking next to timestamps.
Thanks for using Opus One — we’re always working to make it better for you!
2.7.3 17/06/2025
What’s New in Version 2.7.2:
We’ve made some behind-the-scenes improvements to keep everything running smoothly. This update includes bug fixes and performance optimizations to make your experience with Opus One even better.
Thanks for using Opus One!
2.7.2 15/05/2025
What’s New in Opus One 2.7.1
- The Task Completed filter now includes subtasks and checklist items, making it easier to track all your accomplishments.
- Fixed an issue where a font wasn’t downloading correctly in Rewards.
- Resolved a bug where points weren’t awarded when sharing a Level Up.
Thanks for using Opus One! We’re always working to make your planning experience better.
2.7.1 01/05/2025
What’s New in Version 2.7.0:
We’ve squashed a few pesky bugs to keep things running smoothly:
- Fixed an issue with the Quote Widget not displaying properly.
- Resolved a crash in the Eisenhower Matrix for a more stable planning experience.
Thanks for using Opus One! We’re always working to improve your productivity journey.
2.7.0 25/04/2025
What’s New in 2.6.9:
- We’ve squashed some bugs and made performance improvements to keep everything running smoothly.
Thanks for using Opus One
We’re always working to make your experience better!
2.6.9 11/04/2025
Plan your day more realistically with task durations. You can now:
- Add an estimated duration to each task.
- Set a preferred default duration and adjust it for individual tasks.
- See the estimated time directly in the task list.
- Drag a task onto your schedule and have its end time calculated automatically from its duration.
Task durations are optional, so you can use them only when they’re helpful.
This update also lets you insert Note Tags from the text editor toolbar, include Note Tags in custom Notes sections, and access photo options more easily on iPhone. We’ve also improved syncing, refined iPad formatting, and fixed several crashes on Mac and iPad.
more Version 2.9.3 13 Aug
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