OmniFocus是一款类似于记事本的工具，和普通记事本不同的地方在于可以在Mac上通过MobileMe等进行同步，它还支持语音记事、图片记事等功能，界面友好，使用简单方便。

iPhone 上面最好的 GTD  软件，没有之一，同时，也是最贵的。

FEATURES
- Plan in projects, work in contexts: Organize tasks by goals using projects, then work towards those goals more efficiently by grouping tasks using contexts
- Cloud sync: Synchronize anywhere through the cloud, using MobileMe or your own WebDAV server
- Due date notifications: Calendar notifications let you know when a task is coming due, whether or not you're running OmniFocus at the time
- Quick Entry: Create a new task anywhere in the app, or by sending tasks from other apps such as Safari and Twittelator
- Subtasks: Break large tasks up into more manageable steps you can complete and track individually
- Attachments: Attach pictures, audio, or other reference documents to your task notes, and synchronize them with other copies of OmniFocus
- Nearby contexts: Plan your day's errands by listing nearby contexts or viewing them on a map
- Search: Built-in search helps you quickly find any task in your database
- Trusted system: Data integrity is our top priority, and our support ninjas are available to help you out of any jam

版本 2.5.2 中的新功能

### iPhone customers please note: If you've been using OmniFocus 2 for iPhone and would like to also start using OmniFocus on your Apple Watch or iPad, you can use Complete My Bundle with the OmniFocus Universal Bundle to get full credit for your existing investment in OmniFocus. ###

OmniFocus for iPhone 2.5.2 fixes several problems present in version 2.5.1 and earlier.

• Crash in Editor — Fixed a crash deleting a project from the Editor
• Crash in No Context — Fixed a crash deleting an action in the “No Context” group using the Editor.
• Crash in Search — Fixed a crash Copying from an empty search field.
• Crash on Rotation — Fixed another reproduction case of a crash which had previously been reported fixed.
• Settings Reset Buttons — Prevented the Reset buttons from becoming misaligned after cancelling Settings reset.
• Search — Searching “Everything” once again behaves as expected with View set to Available.
• Debug URLS — Fixed a few problems with debug URLs
• Help — Updated the help landing page