Comparison

Opus One vs Edo Agenda

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Opus One

This app helps you manage tasks and notes with a paperlike interface. Organize your day with daily task lists, schedules, and notes, and use a master task section to capture all your to-dos. Features include drag-and-drop reordering, event integration, and customizable notes.

Highlights
  • Master Task section
  • Daily Task lists with status, priority, and notes
  • Daily Schedule and Event integration
  • Daily Notes with customizable text formatting
  • Drag and drop task reordering
  • Cloud synchronization
  • Sketch drawing canvas
Features
Read full description

Opus One is a real day planner, not another to-do app. Each day gets its own page — tasks with A/B/C priorities, your schedule, and notes — on a planner that looks and feels like paper. Plan on iPhone, iPad, and Mac, and it all stays in sync. YOUR DAY ON ONE PAGE • Daily Tasks with A/B/C priorities, status, notes, and alarms. • A schedule that shows your Calendar events alongside your tasks. • Drag a task onto the schedule — with task durations, the end time fills in automatically. • Daily Notes with photos, PDFs, checklists, and audio. • Today's weather and a daily quote, right on the page. PLAN BEYOND TODAY • Master Tasks: everything on your mind in one list, no due date required. • Goals with timelines, photos, and progress you can see. • Roles: review the areas of your life each week so nothing important gets crowded out. • Mission, Values, and Vision pages to keep the big picture one tap away. • Meeting Planner for agendas, decisions, and next steps. NOTES AND JOURNALS • Rich notes with fonts, colors, tags, and your own custom sections. • Sketch and handwrite with Apple Pencil. • Journals with 25 covers to choose from, plus a guided Gratitude Journal. IT GOES WHERE YOU GO • Home Screen widgets for today's tasks, your mission, your values, and daily quotes. • Live Activities keep today's tasks on your Lock Screen. • Add a task from Control Center, or ask Siri. • Apple Watch app to see your day and check off tasks from your wrist. • iCloud sync across iPhone, iPad, and Mac. MAKE IT YOURS • Planner themes, including seasonal ones. • Task-complete sounds and rewards for finishing what you planned. • Color-coded categories and repeating rules with advanced options. OPUS ONE PRO The core planner is free. Opus One Pro adds cloud sync across all your devices, weather, attachments (images, PDFs, audio), Apple Pencil sketching, categories, repeating rules, Goals, Siri, and themes. One subscription covers iPhone, iPad, and Mac on the same iCloud account. Available yearly or monthly. Subscription details: Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. Manage or cancel in your Account Settings. Privacy Policy: https://piso13.com/privacy-policy-2/ Terms of Service: https://piso13.com/terms-of-service/

About

Edo Agenda

This app integrates calendar, note-taking, and task management into a single, user-friendly personal organizer. Plan your days, capture ideas, manage projects, and track tasks across all your devices with real-time synchronization.

Highlights
  • Integrated calendar, notes, and tasks
  • Personal and work task management
  • Event scheduling and reminders
  • Idea and note capture
  • Project organization
  • Checklist creation
  • Cross-device synchronization
Features
Read full description

The first app combining calendar, note-taking and task management: your all in one personal organizer. Inspire yourself, keep track of your daily life and get stuff done. Introducing Edo Agenda, the first app that combines calendar, note-taking and task management in one single place easy to use across your smartphone, tablet and laptop. 
A blank page offers endless possibilities and a calendar lets you organize, schedule and retrieves all these possibilities. - Manage personal e work tasks - Schedule events, activities and reminders - Capture and organize ideas and notes - Collect meeting notes and manage projects - Create checklists and alarms Edo Agenda lets you choose the way you look at your contents: Journal (Home Page) it lets you see all your notes, tasks, to-do lists and events organized by day. Here you can plan anything you need to do, from a trip to a project, or you can simply track your activities or use it as a bullet journal (unfinished tasks could be moved automatically to the next day). Floating tasks Collect here everything that doesn't fit into a specific topic or doesn't have a due date yet. Projects Here you can combine and organize different contents such as to-do lists, due dates, notes, documents, images, pdf and much more. A project named "Trip to Japan" could collect things to do, places to visit, scheduled activities, tickets, reservations codes, directions, maps, thoughts and photos, links, all in one place. Notes Capture and organize here simple meeting notes, class notes, homework, ideas and much more. You can color code notes as well as attach documents and images to them. Each Note can be linked to a specific day of our calendar and organized in collections (e.g. favorite book passages and quotes, recipes etc.)

 To-Do List Create checklists with descriptions and attachments. It's easy to write down a grocery list, a reading list, a wish list, you name it. Each To-Do List can be linked to a specific day in your planner and organized in collections e.g. work, personal and so on. All the contents are backed up and synchronized in real time on each of your devices. Try the web app on https://agenda.edo.io/welcome/ to access your project, notes, to-do list and schedule from your laptop or desktop, it works with all major browser. Coming soon: Habit tracking and routines< A place where every day you can take note of all your routines: how many minutes you have meditated, what you had for lunch and dinner or how many pages you read from your favorite book, to have each week a report that tracks all your positive and life-enriching habits. In app-purchases: Premium Plan: Edo Agenda premium gives you the access to additional features, to support our team making Edo Agenda better and better. You can subscribe a annual or monthly plan. 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. The Subscription may be managed by you and auto-renewal may be turned off by going to the user's Account Settings after purchase. Terms Of Use: https://agenda.edo.io/legal/terms Privacy: https://agenda.edo.io/legal/privacy

Screenshots

Opus One4 screens
Edo Agenda4 screens

Verdict

The call

The clearest difference is rating: Opus One at 4.7 against Edo Agenda's 3.8. Opus One also leads on ratings volume (983 vs 104). Edo Agenda's advantage is monetization model (free with in-app purchases vs subscription) and iOS requirement (10.0 vs 15.0). On price, review sentiment, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Opus One sells 2 in-app purchases, starting at $4.99 per month and Edo Agenda sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Opus One holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: Opus One has 983 ratings behind it against 104, so its average is the more settled of the two. Written reviews point the same way: 66% of Opus One's written reviews are positive against 63% of Edo Agenda's.

UpkeepUpdate frequency

Opus One ships an update every 3 weeks, Edo Agenda monthly. The most recent releases landed on October 29, 2026 and October 23, 2026 respectively.

Scorecard4 real differences · 6 level
Opus One versus Edo Agenda: the parameters behind the verdict, then further details
ParameterOpus OneEdo Agenda
PriceFreeFree
Rating4.7 (983 ratings) — better3.8 (104 ratings)
Positive reviews65.7% of reviews — better63.2% of reviews
Number of ratings983 — better104
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.010.0 — better
Further details — not scored
Size187 MB136 MB
Age rating4+4+
DeveloperPISO 13, Inc.Edo.io

Customer experience

Opus One

All ratings973 ratings
Positive93.6%
Neutral2.5%
Negative3.9%
Written reviews318 reviews
Positive65.7%
Neutral10.1%
Negative24.2%

Edo Agenda

All ratings106 ratings
Positive69.8%
Neutral7.5%
Negative22.6%
Written reviews174 reviews
Positive63.2%
Neutral9.8%
Negative27.0%

User reviews

Opus One

From 983 App Store ratings

What we love

  • 🚀 Life changing
  • 👍 Great app and support
  • 👍 Integrates well with iPhone
  • 👍 Keeps me organized and efficient
  • 👍 Seamless sync across devices

Room to improve

  • 🐛 Sync issues and reliability problems
  • 🐛 Lost data and app crashes
  • 🔒 Concerns about free trial sign-ups
  • 🔒 Difficult to cancel subscription
  • 👎 Lacks weekly/monthly views

Edo Agenda

From 104 App Store ratings

What we love

  • 👍 Simple and intuitive interface
  • 🎨 Clean, minimalist design
  • 📅 Combines calendar, tasks, and notes in one app
  • ✅ Easy task completion and tracking
  • 🔄 Syncs across multiple devices

Room to improve

  • 🐛 Frequent crashes and freezes
  • ⚠️ Notes section crashes app
  • 🔌 Poor syncing between devices
  • ❌ Abandoned development and no updates
  • 💰 Expensive premium subscription pricing

Bugs and requests

Opus One

Reported bugs

4 issues
  • Sync issues between devices
  • App crashes and data loss
  • Keyboard not working on iPad
  • Distorted font in calendar view

Requested features

6 requests
  • Add weekly and monthly views
  • Improve Apple Pencil support
  • Add project management features
  • Integrate with more calendar/task apps
  • Provide better training and tutorials
Show 1 more
  • Allow customization of UI and themes

Edo Agenda

Reported bugs

18 issues
  • Notes section freezes entire app
  • Cannot edit or delete events
  • Tasks marked complete auto-revert to incomplete
  • App crashes on latest iOS versions
  • Login authentication failures
Show 13 more
  • Google Calendar sync not working
  • Photos display as black placeholders
  • Recurring tasks appear on wrong dates
  • Sync issues between iPhone and iPad
  • Menu button crashes app
  • Control center inaccessible in app
  • Tasks not carrying over to next day
  • Journal entries disappearing
  • Projects randomly deleting
  • Time zone and weather location not updating
  • Unable to assign colors after task creation
  • App becomes unresponsive and freezes
  • Notification system not working

Requested features

18 requests
  • Apple Watch support
  • Widget for home screen and lock screen
  • Dark mode theme
  • iCloud calendar synchronization
  • Subtasks functionality
Show 13 more
  • Automatic task migration to next day
  • Microsoft Outlook integration
  • Password protection for app
  • Multi-day event support
  • Undo/version history feature
  • Account password change option
  • 12-hour clock format option
  • Customizable time view range
  • Task priority sorting
  • IFTTT integration with iOS Reminders
  • Perpetual purchase option instead of subscription
  • Monthly subscription plan option
  • Better recurring task customization

In-app purchases

2 purchases

Opus One

Subscriptions2
  • Opus One Pro7 Days trial$4.991 Month
  • Opus One Professional7 Days trial$39.991 Year
2 purchases

Edo Agenda

Subscriptions2
  • Monthly$1.991 Month
  • Annual Premium$20.491 Year

Questions

Is Opus One free?
Opus One is free to download, with in-app purchases available.
Is Edo Agenda free?
Edo Agenda is free to download, with in-app purchases available.
Which has better reviews, Opus One or Edo Agenda?
Opus One is rated higher. Opus One averages 4.7 out of 5 from 983 ratings, while Edo Agenda averages 3.8 from 104 ratings.
Do Opus One or Edo Agenda have ads?
Neither Opus One nor Edo Agenda shows ads.
Which is updated more often, Opus One or Edo Agenda?
Opus One ships an update every 3 weeks, and Edo Agenda monthly. Most recently, Opus One was updated on October 29, 2026 and Edo Agenda on October 23, 2026.

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