Open Planner Studio vs Mastt Schedule

Open Planner Studio9.4Visit Mastt Schedule8.5Visit

Higher score Open Planner Studio #1 in Construction Scheduling Software 9.4/10 Free plan Free plan✓ 3 of 4 features Visit Open Planner

vs

Mastt Schedule #7 in Construction Scheduling Software 8.5/10 Free plan Free plan✓ 2 of 4 features Visit Mastt Schedule

• Open Planner Studio fits best

  Teams needing free construction scheduling software

• Mastt Schedule fits best

  Small construction teams wanting free entry

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Side by side

Feature	Open Planner Studio 9.4/10 Visit ↗	Mastt Schedule 8.5/10 Visit ↗
At a glance
Editor score	9.4	8.5
Ranking	#1 in Construction Scheduling Software	#7 in Construction Scheduling Software
Best for	Teams needing free construction scheduling software	Small construction teams wanting free entry
Pricing model	Free	Free plan + paid
Starting price	Free	$165/mo
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Cloud, Browser extension
Platforms	Web, Windows, macOS, Linux	Web
Support	Docs	Email, Phone, Docs
Integrations	4 integrations	2 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Open Planner Studio 3/4 · Mastt Schedule 2/4
Critical path	✓ (best)	Not checked yet
Gantt charts	✓	✓
Resource planning	✓ (best)	Not checked yet
Schedule templates	Not checked yet	✓ (best)
Specs
Mobile apps	None	None
Project limit	Not checked yet	Not checked yet
Our review
Pros	Free, open-source package with no subscription or per-seat licence fees CPM, float, deadlines, resources, histograms, levelling, and baselines IFC, CSV, MS Project, and Primavera P6 interoperability	Free Starter plan supports unlimited users and budgets Imports Microsoft Project XML and Primavera P6 XER files Baselines, slip/gain tracking, templates, and PDF exports
Cons	No mobile apps; access is through the browser or desktop platforms The only named plan is the free, open-source package The built-in AI assistant is described for reading and editing schedules	Professional costs $165 per project per month Available on the web only, with no mobile apps Critical-path calculation and resource planning are not specified
Our verdict	Open Planner Studio is an open-source construction planning application for building, infrastructure, and civil-engineering projects. It is aimed at teams that need structured scheduling rather than a basic task list, with interactive… Read the review →	Mastt Schedule is a browser-based construction scheduling module for project owners, consultants, program managers, and construction teams. It covers activities, phases, milestones, dependencies, baselines, and progress reporting, with… Read the review →

Strengths and trade-offs

• Open Planner Studio — where it wins

  • Free, open-source package with no subscription or per-seat licence fees
  • CPM, float, deadlines, resources, histograms, levelling, and baselines
  • IFC, CSV, MS Project, and Primavera P6 interoperability

  Where it doesn't

  • No mobile apps; access is through the browser or desktop platforms
  • The only named plan is the free, open-source package
  • The built-in AI assistant is described for reading and editing schedules

• Mastt Schedule — where it wins

  • Free Starter plan supports unlimited users and budgets
  • Imports Microsoft Project XML and Primavera P6 XER files
  • Baselines, slip/gain tracking, templates, and PDF exports

  Where it doesn't

  • Professional costs $165 per project per month
  • Available on the web only, with no mobile apps
  • Critical-path calculation and resource planning are not specified

• Open Planner Studio9.4/10 · Free plan

  A capable free scheduler for construction teams needing CPM, resources, and open file exchange.

  Visit Open PlannerFull verdict →
• Mastt Schedule8.5/10 · Free plan

  A focused web scheduler with free entry and strong construction schedule controls.

  Visit Mastt ScheduleFull verdict →