Comparison

OmniFocus 4 vs Duedun

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

Head to head
About

OmniFocus 4

This task management application helps busy professionals organize and prioritize their work. It offers a unified interface across multiple Apple devices, allowing users to create, organize, and focus on tasks efficiently. A free trial is available.

Highlights
  • Unified interface across Apple devices
  • Task creation and organization
  • Perspectives Bar for navigation
  • Focus mode for specific projects
  • Secure, end-to-end encrypted sync
  • Universal cross-platform purchase
Features
Read full description

OmniFocus is powerful task management software for busy professionals. With tools to help tame the chaos, you can focus on the right tasks at the right time. Two-week free trial! OmniFocus 4 introduces a modernized, unified interface across Mac, iPhone, iPad, Apple Watch, and Apple Vision Pro. Centered around your task outline, OmniFocus 4 brings a consistent experience, optimized for each device type, to all of your Apple devices. Easily create tasks anytime–from anywhere–and organize them with projects, tags, and dates. Quickly navigate OmniFocus on any device using the Perspectives Bar, Quick Open, and Back and Forward history. With Pro, use Focus to help focus your attention on specific projects or folders, and customize OmniFocus to only display the information most relevant to you. New to OmniFocus? The simple, efficient OmniFocus 4 interface will help you discover and implement a trusted system that works and grows with you. Upgrading from a previous version of OmniFocus? In OmniFocus 4, discover enhanced versions of all the powerful task management features you already rely on, along with new features that will level-up your workflow. Omni offers a free and secure sync service, protected with end-to-end encryption, ensuring only devices you authorize can access your data. And now, for the first time ever, OmniFocus is available as a universal cross-platform purchase: get full access to OmniFocus 4 on your Mac, iPhone, iPad, Apple Watch, and Apple Vision Pro with a single license purchase. Accomplish more every day–anywhere you go–with OmniFocus 4.

About

Duedun

Organize your life with a flexible to-do list application. Create nested lists, reorder items, and set due dates with notifications. See all your upcoming tasks in one consolidated view and sync your data across devices.

Highlights
  • Create nested lists
  • Reorder tasks and lists
  • Check off completed items
  • Set due dates and reminders
  • Consolidated view of due tasks
  • iCloud sync across devices
Read full description

A flexible productive to-do list app. • Add tasks and lists • Put lists inside other lists • Reorder tasks and lists • Check off tasks and lists when they’re done • Set due dates and notification reminders • See what’s due in one place • Sync across your devices with iCloud

Screenshots

OmniFocus 44 screens
Duedun4 screens

Verdict

The call

The clearest difference is rating: Duedun at 5.0 against OmniFocus 4's 4.0. Duedun also leads on in-app purchases (none vs 10). OmniFocus 4's advantage is ratings volume (344 vs 1) and device support (5 vs 2). On price, 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. OmniFocus 4 sells 10 in-app purchases, starting at $9.99 per month. Duedun asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Duedun holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: OmniFocus 4 has 344 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

OmniFocus 4 ships an update every 3 weeks, Duedun every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
OmniFocus 4 versus Duedun: the parameters behind the verdict, then further details
ParameterOmniFocus 4Duedun
PriceFreeFree
Rating4.0 (344 ratings)5.0 (1 ratings) — better
Positive reviews52.1% of reviews—
Number of ratings344 — better1
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Mac, Apple Watch, Vision Pro — betteriPhone, iPad
Requires iOS18.2 — better26.6
Further details — not scored
Size138 MB1 MB
Age rating4+4+
DeveloperThe Omni GroupStasis Software LLC

Customer experience

OmniFocus 4

All ratings344 ratings
Positive70.6%
Neutral7.6%
Negative21.8%
Written reviews455 reviews
Positive52.1%
Neutral13.8%
Negative34.1%

Duedun

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

OmniFocus 4

Reported bugs

6 issues
  • View options button not working consistently
  • Custom perspectives not persisting in sidebar
  • App crashing on launch
  • Drag and drop functionality issues
  • Incorrect task completion when adding new tasks
Show 1 more
  • Inconsistent behavior when changing due dates

Requested features

6 requests
  • Markdown support in notes
  • Gantt view for projects
  • Ability to reorder perspectives in the sidebar
  • Print to PDF with due dates and completed dates
  • Natural language processing for task creation
Show 1 more
  • Board view for projects

Duedun

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

OmniFocus 4

Subscriptions2
  • Legacy Subscription$9.991 Month
  • Legacy Subscription$99.991 Year
One-time8
  • Upgrade to v4 from v1-v3$37.49
  • Upgrade v4 to Pro from v1-v3$37.49
  • Unlock Standard (Mac Promo)$56.00
Show 5 more
  • Unlock Standard$74.99
  • Upgrade from Standard to Pro$74.99
  • Upgrade to v4 Pro from v1-v3$74.99
  • Unlock Pro (Mac Promo)$111.99
  • Unlock Pro$149.99
None

Duedun

No in-app purchases

Questions

Is OmniFocus 4 free?
OmniFocus 4 is free to download, with in-app purchases available.
Is Duedun free?
Duedun is free to download, with no in-app purchases.
Which has better reviews, OmniFocus 4 or Duedun?
Duedun is rated higher. OmniFocus 4 averages 4.0 out of 5 from 344 ratings, while Duedun averages 5.0 from 1 ratings.
Do OmniFocus 4 or Duedun have ads?
Neither OmniFocus 4 nor Duedun shows ads.
Which is updated more often, OmniFocus 4 or Duedun?
OmniFocus 4 ships an update every 3 weeks, and Duedun every 2 weeks. Most recently, OmniFocus 4 was updated on October 25, 2026 and Duedun on October 24, 2026.

Other comparisons