Alternatives · Project Management
OmniPlan alternatives
OmniPlan compared with 5 alternatives: Merlin Project, Microsoft Project, GanttProject, ProjectLibre and GanttPRO.
OmniPlan is a paid product with a free trial, starting at $199.99 one-time for a v4 Standard license, or $199.99 per year by subscription. 2 of the 5 alternatives are free or have a free plan. 3 more offer a free trial.
5 tools · Listings checked up to Oct 9, 2026 · Where the facts come from
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| OmniPlanThis tool | Free trial · from $199.99 one-time | Trial only | macOS, iOS |
| Merlin Project | Free trial · from $6.99/mo | Trial only | macOS, iOS |
| Microsoft Project | Free trial · from $30.00/mo | Trial only | Windows |
| GanttProject | Free plan · from €1/mo | Yes | macOS, Windows, Linux |
| ProjectLibre | Free plan · from $9.99/mo | Yes | Web, macOS, Windows, Linux |
| GanttPRO | Free trial · from $8/mo | Trial only | Web, iOS, Android |
How each one differs from OmniPlan
- Free trial · from $6.99/mo
Merlin Project
Offline Mac and iPad project planner with Gantt, Kanban and mind maps
- Merlin Project starts at $6.99 per user / month for the Express edition; full Mac app $22.99, iPad $9.99. OmniPlan starts at $199.99 one-time for a v4 Standard license, or $199.99 per year by subscription.
- OmniPlan can be bought with a one-time purchase.
- Merlin Project also covers kanban boards and mind mapping.
- OmniPlan also covers reports.
Suits: Project managers on Mac who want Gantt scheduling with baselines and earned value
- Free trial · from $30.00/mo
Microsoft Project
Desktop project scheduling for Windows with Gantt charts
- Microsoft Project starts at $30.00 per user / month, paid yearly (Plan 3), or $679.99 one-time (Standard 2024). OmniPlan starts at $199.99 one-time for a v4 Standard license, or $199.99 per year by subscription.
- Only Microsoft Project lists a Windows app.
- Only OmniPlan lists macOS and iOS apps.
- Microsoft Project also covers templates and tasks.
Suits: Project managers who build detailed schedules with dependencies and baselines
- Free plan · from €1/mo
GanttProject
Free, open-source desktop Gantt chart app for Windows, macOS and Linux
- GanttProject starts at €1 per active team member / month for the optional Cloud service; desktop app is free. OmniPlan starts at $199.99 one-time for a v4 Standard license, or $199.99 per year by subscription.
- GanttProject has a free plan. OmniPlan does not, though it has a free trial.
- Only GanttProject lists Windows and Linux apps.
- Only OmniPlan lists an iOS app.
- GanttProject is open source, according to its own site.
Suits: Small and medium businesses that want Gantt charts at no cost
- Free plan · from $9.99/mo
ProjectLibre
Microsoft Project-compatible scheduling: free desktop app, paid cloud
- ProjectLibre starts at $9.99 per user / month, billed annually. OmniPlan starts at $199.99 one-time for a v4 Standard license, or $199.99 per year by subscription.
- ProjectLibre has a free plan. OmniPlan does not, though it has a free trial.
- Only ProjectLibre lists a web app.
- Only ProjectLibre lists Windows and Linux apps.
- Only OmniPlan lists an iOS app.
Suits: Teams moving schedules off Microsoft Project or Project Online
- Free trial · from $8/mo
GanttPRO
Online Gantt chart maker for planning and tracking projects
- GanttPRO starts at $8 per user / month, billed annually ($7 from 20 users). OmniPlan starts at $199.99 one-time for a v4 Standard license, or $199.99 per year by subscription.
- Only GanttPRO lists a web app.
- Only GanttPRO lists an Android app.
- Only OmniPlan lists a macOS app.
- OmniPlan can be bought with a one-time purchase.
Suits: Project managers who plan with dependencies, baselines and a critical path
Limits worth knowing in OmniPlan
- Available only for Mac, iPad, iPhone and Apple Vision Pro; no Windows, Android or browser version is listed.
- Collaboration, Microsoft Project support, Monte Carlo simulation and earned value analysis are Pro features, not part of the $199.99 Standard license.
- The features page marks the multi-project dashboard, HTML reports and earned value analysis as Mac only.
- A perpetual license covers 4.x updates only; later major versions are a paid upgrade, offered at a discount.
Common questions
What are the alternatives to OmniPlan?
The alternatives to OmniPlan in this directory are Merlin Project, Microsoft Project, GanttProject, ProjectLibre and GanttPRO. Each one has a side-by-side comparison with OmniPlan.
Is there a free alternative to OmniPlan?
Yes. GanttProject and ProjectLibre have a free plan alongside paid ones.
Which OmniPlan alternatives work on Windows?
The OmniPlan listing does not include a Windows app. Microsoft Project, GanttProject and ProjectLibre list one.
Which OmniPlan alternatives work on Linux?
The OmniPlan listing does not include a Linux app. GanttProject and ProjectLibre list one.
Is there an open-source alternative to OmniPlan?
GanttProject and ProjectLibre are described as open source on their own sites.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 5, 2026 to Oct 9, 2026. Vendors change prices without notice, so confirm on their site before you buy.
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