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Construction · head to head

Microsoft Project vs Optimizely

Microsoft Project logo

Microsoft Project

Construction

Keep projects organized and on track

From
$10/month
Rated
-
Full reviewWebsite
Optimizely logo

Optimizely

Marketing

Digital experience optimization

From
$10000/year
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Microsoft Project performance degrades with large projects over 400 tasks, becoming slow and unstable; Optimizely no pricing is published and no minimum is stated
  • They diverge on capability: Microsoft Project covers Gantt charts, Optimizely covers A/B testing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Microsoft Project and Optimizely actually diverge.

Attributes where Microsoft Project and Optimizely differ
AttributeMicrosoft ProjectOptimizely
Starting price$10/month$10000/year
Pricing modelUnknownquote
PlatformsWeb, Windows, macOSWeb, Mobile
CategoryConstructionMarketing
Founded19752010

Identical on both: free tier (No), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Microsoft Project

  • Gantt charts
  • Resource management
  • Budget tracking
  • Timeline views
  • Task dependencies
  • Critical path
  • Earned value analysis
  • Portfolio management

Only in Optimizely

  • A/B testing
  • Multivariate testing
  • Personalization
  • Feature management
  • Analytics
  • Google Analytics
  • Adobe Analytics
  • Cloud deployment

Both cover

  • SOC2
  • ISO27001

What people use each for

The jobs each tool is most often brought in to do.

Microsoft Project

  • Project schedulingnot Optimizely
  • Resource allocationnot Optimizely
  • Portfolio managementnot Optimizely
  • Budget trackingnot Optimizely
  • Enterprise project managementnot Optimizely

Optimizely

  • A/B testing and experimentation across web and product experiencesnot Microsoft Project
  • Feature flagging and personalisation for digital productsnot Microsoft Project

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Microsoft Project

  • Performance degrades with large projects over 400 tasks, becoming slow and unstable
  • Limited Agile methodology support, primarily designed for waterfall project management
  • Proprietary .mpp file format creates compatibility issues on non-Windows systems
  • No offline mode, limiting users without reliable internet connectivity

Optimizely

  • No pricing is published and no minimum is stated
  • Every plan is individually packaged, so no two quotes are necessarily comparable
  • Reaching a figure requires a demo or sales conversation

Pricing, plan by plan

Microsoft Project

$10/month
  • Plan 1$10/month
    • Task and project management
    • Grid views
    • Timeline features
  • Plan 3$30/month
    • Desktop client
    • Resource management
    • Advanced scheduling
  • Plan 5$55/month
    • Portfolio management
    • Demand management
    • Enterprise capabilities

Optimizely

$10000/year
  • Enterprise$undefined/year
    • A/B testing
    • Personalization
    • Feature management

Which should you pick?

Choose Microsoft Project if

  • You need gantt charts.
  • You work on Web, Windows, macOS.
  • You also want resource management.
Microsoft Project review

Choose Optimizely if

  • You need a/b testing.
  • You work on Web, Mobile.
  • You also want multivariate testing.
Optimizely review

Questions people ask

Is Microsoft Project or Optimizely better?
Neither clearly leads. Microsoft Project starts at $10/month and Optimizely at $10000/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Microsoft Project or Optimizely?
Microsoft Project starts at $10/month and Optimizely at $10000/year.
Does Microsoft Project or Optimizely run on more platforms?
Microsoft Project runs on Web, Windows, macOS. Optimizely runs on Web, Mobile.
What is Microsoft Project best used for?
Microsoft Project is most often used for project scheduling, resource allocation, portfolio management, budget tracking. Of those, project scheduling and resource allocation are not what Optimizely is typically brought in for.
What can Microsoft Project do that Optimizely cannot?
Microsoft Project covers Gantt charts, Resource management, Budget tracking, Timeline views. Optimizely covers A/B testing, Multivariate testing, Personalization, Feature management. Both handle SOC2, ISO27001.

Answered from the vendors’ own pages

Microsoft Project: What are the different Microsoft Project plans and pricing?

Microsoft Project offers Plan 1 at $10/user/month for basic project management, Plan 3 at $30/user/month with desktop client and resource management, and Plan 5 at $55/user/month for enterprise portfolio management. Desktop licenses (2024) start at $679.99 for Standard and $1,129.99 for Professional.

Source
Optimizely: How much does Optimizely cost?

Optimizely does not publish pricing rates. The company states that every plan is individually packaged based on specific customer needs. Interested customers must request a demo or contact the sales team to receive customized pricing.

Source
Microsoft Project: Does Microsoft Project support Agile methodology?

Microsoft Project was primarily designed for traditional waterfall project management. While it has some Agile features, it is not optimized for Agile workflows compared to dedicated Agile tools like Jira or Monday.com.

Source
Optimizely: What is the pricing model for Optimizely?

Optimizely uses a custom enterprise pricing model rather than published rate cards. Pricing is determined through direct consultation with the sales team based on the customer's digital needs and feature requirements.

Source
Microsoft Project: Can multiple teams collaborate in real-time on Microsoft Project?

Yes, Microsoft Project for the Web provides real-time collaboration through cloud-based access. However, collaboration is noted as harder compared to modern cloud-native tools due to its file-based architecture.

Source
Optimizely: Is there a free trial of Optimizely?

Optimizely does not specify free trial availability on its website. Customers interested in exploring the platform are directed to request a demo through the company's website to discuss trial options.

Source
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