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iTaskX 3 for Mac -
System Requirements

  • Mac computer with an Intel Core 2 Duo processor or better
  • Mac OS X 10.10.5 or later (macOS 10.13 recommended) Yosemite, El Capitan, macOS Sierra, macOS High Sierra and macOS Mojave compatible!
  • 4GB of RAM (8GB of RAM or more recommended)
  • 512MB of VRAM (1GB of VRAM or more recommended)
  • Display with 1280-by-768 resolution or higher
  • 100MB of disk space for application and documentation


  • Many default Views like: Gantt Chart, Tracking Gantt, Network Diagram, Task Sheet, Task Usage, Resource Sheet, Resource Usage
  • Unlimited custom views
  • Up to 80 default Task fields and up to 50 default Resource fields. It's also possible to rename default columns.
  • Custom columns (text, date, duration, cost, numeric)
  • Print preview with page margins and complete set of controls to adjust the page settings for perfect print outs
  • Header and footer for print outs
  • Many filter options for every view
  • Unlimited calendars for project, tasks and resources


  • Styles for Task, Task-Tracking, Task-Usage, Resource, Resource-Usage and Custom Syles
  • Single window interface
  • Supports multiple selections
  • Supports shortcuts and context-menus for importance commands
  • Interactive scheduling messages
  • Import of resources from macOS Contacts
  • Screen and timeline zoom
  • Calculation of the project in real-time
  • Supports: Touch Bar, Spotlight, Quick Look, Gatekeeper, Auto-Save and Version Control, Resume, Full-Screen, iCloud, Sandbox....

Scheduling and Tracking

  • Complete task constraints (start as soon as possible, start as late as possible, must start on, must finish on, start no earlier than, start no later than, finish no earlier than, finish no later than)
  • Supports all possible task dependencies (finish to finish, finish to start, start to start, start to finish) and positive or negative lags for task links
  • Supports linking of summary tasks
  • Effort driven scheduling
  • Configurable task types (fixed duration, fixed work and fixed units)
  • Deadline date for tasks
  • Cost rate tables for resources
  • Possibility to specify the cost accrual (start, prorated, end)
  • Scheduled, base und actual task dates for effective tracking
  • Calculation of start slack, finish slack, free slack and total slack for tasks
  • Support of work (persons or groups of people), material (supplies, stock or other consumable items) and cost resources
  • Time units for assignments units (for example, 5 Liter/h) of material resources
  • Support of work and overtime work for assignments
  • Supports fixed costs, cost per use, standard rate and overtime rate
  • Compare your project up to 11 baselines
  • Earned value analysis

File Formats

  • iTaskX ITP3 format
  • iTaskX ITP format (read only)
  • iTaskX Template ITT3 format
  • Microsoft Project MPP format (read only)
  • Microsoft Project XML format (MS Project 2003, 2007, 2010, 2013 and 2016)
  • CSV (comma separated values) for data exchange with Excel, Word, Numbers, Pages...
  • ICS (macOS and iOS calendar format)
  • OPML format (Mind map applications)
  • Export each view to all major image formats: (PDF, BMP, GIF JPEG, PNG, TIFF)

Contained Language Packs

  • Deutsch
  • English
  • Español
  • Français
  • Italiano
  • Português do Brasil
  • 日本語
  • Русский
  • 简体中文
  • 繁體中文