When comparing Omnifocus vs Dynalist, the Slant community recommends Dynalist for most people. In the question“What are the best encrypted/secure cross-platform to-do apps?” Dynalist is ranked 2nd while Omnifocus is ranked 4th.
Ranked in these QuestionsQuestion Ranking
Pro Defer date
Omnifocus allows users to setup the "defer date" which can be treated as "start date". Tasks will not be marked as available until that date, which should help to focus on the "available" task only.
Pro Forecast summary
The forecast summary shows a quick digest of the tasks you have for the day. You can select any day to quickly see what tasks you have planned that day. For extra functionality you can connect with the iPhone’s Calender app, which allows you to also see any other events you have planned that day.
Pro See an overview of all tasks via "Perspective"
The Perspective section allows you to see an overview of the tasks you have set. It also allows you to set contexts or see things you have flagged.
Pro Nearby and context-sensitive tasks
OmniFocus 2 allows you to set up contexts for tasks in certain areas. This makes sure you never miss a task when you're out running errands and happen to be near something you need to do.
Pro Ability to create documents and organize by folder, and search by title
Pro Search and link to other notes
Pro Inline images
Pro Unlimited notes
Which is perfect for personal knowledgebase.
Pro Create custom user styles
Anyone can create a custom style and share them with the community, which can be found here.
Pro Printable shared lists
Con Mac and iOS only
Omnifocus doesn’t work on non-Apple platforms.