If you need a barebones checklist app, the built-in Reminders app will definitely get the job done. Free - built into OS X; Your vote for best task and reminder app for Mac? If your Mac is a large part of your workflow, I'm willing to bet you keep your reminders and tasks synced up. The best task management App on Mac/iPhone I have been using this App for 2 months. Previously I had struggled with finding a good app that can do task list, drag and drop for assignments, categorization, easy to use and collaborate on phone/Mac, and beautiful user interface, until Meister Tasks.

Free; iOS, Android, Windows Phone 8, BlackBerry, Mac, Windows, Web Pros: Makes inputting text, audio, images, and Web content easy; OCR for images and handwriting Cons: No calendar sync, reminders, or true collaboration features in the free version is perhaps the most popular note-taking app, and a favorite of aficionados. Although it isn’t a to-do app, you can make it act like one by activating its checkbox feature. You can share notes via email, easily insert photos and audio clips, and organize items by date, tags, and location. Calendar for mac pro. Evernote Business ($10 per user per month) adds a companywide Business Library and admin console. Free ($25 per year for Pro); Web, iOS, Android, Windows Phone 8 (MilkMan app), Gmail and Outlook extensions Pros: Simple; syncs with Google and Outlook; adds tasks quickly Cons: No collaboration; limited automatic syncing in free version stands out for its sheer number of platforms and ways to schedule a task. You can, use, even.

Options for sorting tasks include “smart lists” that update based on criteria you define; for example, you might set tasks in a Work list as high priority. And the 'smart add' feature can add tasks with date and time reminders, locations, and tags all on one line. Free; iOS, Android, Web, Mac, Windows Pros: Sleek design; useful collaboration and reminders; automatic syncing Cons: No priority task assignment A sleek interface and plentiful features make Wunderlist one of the best freebies. The landscape layout offers a wide view of upcoming projects and tasks, with wallpapers for customizing the design.

You can invite others to collaborate on tasks, and use a nifty 'activity center' to manage the status of projects, tasks, and lists. You can also create subtasks and attach and detach sticky notes to tasks. Free; iOS, Android, Chrome extension, Web Pros: Clean look and feel; predicts text as you type; audio note-taking Cons: Limited collaboration Any.Do can predict task-related text while you type, which is a big timesaver. On top of that, it takes full advantage of multitouch and motion functionality on your smartphone. You can drag and drop action items, swipe to mark tasks as complete, and shake your device to clear completed projects. Android users get a home-screen widget while iOS users get a landscape mode with calendar view. Although you can easily share tasks, you’ll find better collaboration options elsewhere.

Free ($53 per year for ConquSync); iOS, Android, BlackBerry, Nook Color, Mac, Windows, Linux Pros: Beautiful on tablets; simple task delegation; useful filters Cons: Cloud backup and collaboration cost extra Conqu's useful filtering system is sure to please nerds. You can set up the app to organize tasks automatically by context, energy level, time required, and so on. Have a low-priority project? Move it to Conqu’s back burner, a procrastinator's dream.

Assigning tasks via email is a snap. For true collaboration, however, ConquSync integrates tasks within a team and adds mobile backup to the cloud. $2; iOS (Android and BlackBerry via third-party apps) Pros: Flexibility to meet individual needs; 'hotlist' compiles important tasks; good collaboration Cons: Dated look; no native Android or BlackBerry app won't turn heads, but it’s packed with features. It works with a ton of third-party apps, from which you can easily import to-do lists. (Try for Android or BlackBerry.) You can break large tasks into multiple subtasks, group action items by location, and view graphical stats of your progress. Collaboration is solid: When you share tasks, you have control over who can read, edit, or add. Free ($29 per year for Premium); iOS, Android, BlackBerry, Mac, Windows, Web, plus extensions for Chrome, Firefox, Outlook, Thunderbird Pros: Email, browser, and platform integration; customizable views Cons: Must pay to search by keyword; no sharing Thanks to its HTML5 foundation, Todoist is especially speedy.