# Opus One vs Sorted³

The clearest difference is monetization model: Sorted³ at free with in-app purchases against Opus One's subscription. Sorted³ also leads on ratings volume (4.1K vs 955). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Opus One sells 2 in-app purchases, starting at $4.99 per month and Sorted³ sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Opus One against 4.7 for Sorted³. Both are backed by a comparable volume of ratings — 955 and 4.1K respectively. Written reviews are what separate them: 66% of Opus One's written reviews are positive against 73% of Sorted³'s.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 15, 2026.

## The numbers

| Metric | Opus One | Sorted³ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (955 ratings)](https://appshunter.io/ios/app/opus-one-digital-planner/id941852977/reviews) | [4.7 (4.1K ratings)](https://appshunter.io/ios/app/sorted-calendar-notes-tasks/id1306893526/reviews) |
| Number of ratings | 955 | **4.1K** |
| Positive reviews | 65.7% of reviews | **72.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 184 MB | 138 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod, Apple Watch | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [PISO 13, Inc.](https://appshunter.io/developer/940653452) | [StaySorted Limited](https://appshunter.io/developer/1022256486) |

## What reviewers say

### Opus One

[App page](https://appshunter.io/ios/app/opus-one-digital-planner/id941852977)

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:** Family Sharing, Siri integration, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Opus One Pro | $4.99 | per month |
| Opus One Professional | $39.99 | per year |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

- Add weekly and monthly views
- Improve Apple Pencil support
- Add project management features
- Integrate with more calendar/task apps
- Provide better training and tutorials


### Sorted³

[App page](https://appshunter.io/ios/app/sorted-calendar-notes-tasks/id1306893526)

This app unifies your calendar events and tasks into a single timeline, allowing for formatted notes and attachments. It helps you effortlessly schedule your day with features like Auto Schedule and built-in flexibility to adjust to changes.

**Highlights:** Unified timeline for events and tasks, Formatted notes and attachments, Effortless scheduling with Auto Schedule, Built-in flexibility for schedule adjustments, Widgets for iOS and macOS, iCloud Sync, Natural Language Processing

**Features:** Family Sharing, Siri integration, Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SSPAI Member Bundle | Free | one-time |
| 14-day Extended Trial | Free | one-time |
| 14-day Extended Trial for Mac | Free | one-time |
| Buy a soda | $1.99 | one-time |
| Buy a pizza | $9.99 | one-time |
| Get PRO on iOS | $14.99 | one-time |
| Get PRO on macOS Promo | $19.99 | one-time |
| Get PRO on macOS | $24.99 | one-time |
| Apple Staff Benefits Bundle | $31.99 | one-time |
| Students Benefits Bundle | $31.99 | one-time |
| Sorted³ PRO iOS + macOS | $35.99 | one-time |

**What reviewers like**

- 🚀 Excellent time management and scheduling features
- 👍 Intuitive and user-friendly interface
- 🔒 Reliable syncing across devices
- 💡 Innovative auto-scheduling functionality
- 👍 Customizable task organization (lists, tags, etc.)

**What reviewers complain about**

- 🐛 Recurring issues with syncing and data loss
- 🐛 Bugs and crashes reported by multiple users
- 🔧 Lack of integration with other productivity apps
- 🔧 Limited calendar and weekly/monthly views
- 🔧 Difficulty managing large number of tasks

**Reported bugs**

- Sync issues causing data loss
- Crashes and freezes on launch
- Recurring tasks not behaving as expected
- Calendar integration not working as intended

**Requested features**

- Location-based reminders
- Improved calendar integration and views
- Ability to set task dependencies and priorities
- Export/backup functionality for task data
- Pomodoro timer integration


## Frequently asked questions

### Is Opus One free?

Opus One is free to download, with in-app purchases available.

### Is Sorted³ free?

Sorted³ is free to download, with in-app purchases available.

### Which has better reviews, Opus One or Sorted³?

Opus One and Sorted³ are both rated 4.7 out of 5 on the App Store, from 955 and 4.1K ratings respectively.

### Do Opus One or Sorted³ have ads?

Neither Opus One nor Sorted³ shows ads.

### Which is updated more often, Opus One or Sorted³?

Opus One ships an update every 3 weeks, and Sorted³ every 3 weeks. Most recently, Opus One was updated on October 15, 2026 and Sorted³ on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*