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www.scheduleauditor.org

Free online tool that compares schedule data and highlights changes to produce owner-ready reports.

Schedule Auditor is a free online tool that compares schedule data across versions and highlights the changes that matter. Built by civil engineers, it turns raw schedule data into clear, actionable insights and generates owner-ready reports for teams and stakeholders. The platform guides users through uploading files, selecting comparison modes, and exporting results. Features include baseline vs update comparisons, detection of critical-path shifts, and quality checks to identify logic, delays, and schedule integrity issues. Schedule Auditor is independent of major scheduling software vendors, emphasizing accessibility, transparency, and collaborative analysis of project schedules.

Mission statement

To provide a free, accessible online tool that helps teams understand and communicate schedule changes by analyzing schedule data and delivering clear, actionable insights.

Products & Services

Schedule Auditor Platform

Easily compare Primavera P6 schedules and generate insightful reports without a license.

www.scheduleauditor.org
  • ✓ Automated Processing — Streamline Schedule Auditing
  • ✓ Baseline–Update Comparison — Comprehensive Change Detection
  • ✓ DCMA+ Quality Checks — Enhance Compliance and Quality
  • ✓ Critical Path Insights — Optimize Project Delivery
  • ✓ Report Export — Easily Share Insights
  • ✓ Baseline–Progress Comparison — Ensure Accurate Schedule Tracking
  • ✓ P6 License-Free Analysis — Access Scheduling Analysis Freely
  • ✓ Progress–Update Comparison — Identify Unauthorized Changes
  • ✓ Constraints and Calendars Tracking — Monitor Schedule Constraints
  • ✓ Resources and Expenses Tracking — Manage Project Resources Effectively

Market Segments

Billion USD 0 0.2 0.4 0.6 0.8 1 Construction sc… Schedule qualit… Owner schedule … Delay and criti… Market Size (Billion USD)
0% 1% 2% 3% 4% 5% 6% 7% 8% 9% 10% 11% 12% 13% 14% CAGR Growth Potential

Construction schedule comparison

Compare Primavera P6 XER schedule versions to identify additions, deletions, logic changes, and date shifts across baselines, updates, and progress files.

Market size: $300M CAGR: 9.5%
Used construction software/management market figures from the provided search results (USD 10.76B in 2025 and USD 19.17B in 2026) as the primary anchor. Assumed scheduling/project-management is a material subsegment of construction software (roughly 20–35%), and that a specialized niche for Primavera P6 XER schedule-comparison tools/services is a small fraction (roughly 3–10%) of the scheduling subsegment. Combining these assumptions yields an estimated current global niche market of about $0.3B. Growth potential is aligned with the overall construction software CAGR in the sources, adjusted conservatively for enterprise uptake of digital scheduling tools.
GL TH TH 3 references

Schedule quality assurance and compliance

Automated DCMA+ and AACE MIP checks to detect missing logic, constraints, long durations, lags, and other integrity issues for government and contractual reviews.

Market size: $320M CAGR: 10%
Estimation based on reported global quality, compliance and QMS software market sizes (range: ~$10B–32B). Schedule quality-assurance for DCMA+/AACE MIP is a specialised niche within these markets (government/contract review, project controls). I conservatively allocate ~1% of the broader quality & compliance/QMS market to automated schedule QA (≈$0.32B), and forecast a CAGR modestly above core QMS growth (10% vs. reported ~8–9.5%) reflecting strong regulatory enforcement and demand for automation/AI in schedule validation.
IN QM 20 3 references

Owner schedule review and reporting

Generate owner-ready Excel and Word reports and independent analyses that highlight meaningful changes for stakeholders and facilitate collaborative review without requiring a P6 license.

Market size: $400M CAGR: 11%
No explicit market sizing for "owner schedule review and reporting" was present in the search results. I estimated a niche, owner-facing subset of project-scheduling/reporting tools (Excel/Word report generators and independent schedule review services) at roughly $0.4B globally. Rationale: adjacent specialist reporting/service markets (business plan review ~USD 0.53B, appointment-scheduling software ~USD 0.6B) and enterprise reporting software (ESG reporting software USD 1.3B–2.9B forecasts) indicate that focused reporting and review tools capture low hundreds of millions in annual revenue with mid-teens to low-double-digit growth. Given the constrained customer base (owner/PMO stakeholders, projects using P6/enterprise schedulers) but growing demand for vendor-agnostic, automated reporting and collaborative review, I project a moderate-to-strong adoption CAGR of ~11%.
GL MA GR 3 references

Delay and critical-path analysis

Detect critical-path shifts, float differences, finish date impacts, and unauthorized progress changes to support delay analysis, claims assessment, and project controls decisions.

Market size: $1.0B CAGR: 9.5%
No explicit market-size figures were found in the supplied results. Using the search results to define scope (construction/project-controls, CPM and delay-analysis tools and consulting) and internal market hierarchy, I estimated a niche global market (~$1B) combining software, schedule-forensics tools, and professional claims/delay-analysis services. Assumptions: delay/critical-path analysis represents a small subset of the broader project-management and construction-software markets (single-digit percent), with digitization, increased dispute activity, and uptake of automated scheduling/AI driving mid-high single-digit CAGR.

Related Organizations

Organizations in the same market segments as Schedule Auditor.

DAC Consulting Services Limited

DAC Consulting Services is a global forensic engineering and dispute-resolution consultancy providing expert analysis and testimony for major energy, construction, and industrial projects.
Khuong Do Blog

A professional blog providing practical guidance on construction planning, scheduling, delay analysis, and contract claims.
Steelray Software, LLC

Steelray Software provides schedule analysis and visualization tools for scheduling professionals worldwide.

Common Questions

What does Schedule Auditor do?
Schedule Auditor is a free online tool that compares schedule data across versions and highlights the changes that matter. Built by civil engineers, it turns raw schedule data into clear, actionable insights and generates owner-ready reports for teams and stakeholders. The platform guides users through uploading files, selecting comparison modes, and exporting results. Features include baseline vs update comparisons, detection of critical-path shifts, and quality checks to identify logic, delays, and schedule integrity issues. Schedule Auditor is independent of major scheduling software vendors, emphasizing accessibility, transparency, and collaborative analysis of project schedules.
What is Schedule Auditor's role in the Construction schedule comparison market?
Compare Primavera P6 XER schedule versions to identify additions, deletions, logic changes, and date shifts across baselines, updates, and progress files.
What is Schedule Auditor's role in the Schedule quality assurance and compliance market?
Automated DCMA+ and AACE MIP checks to detect missing logic, constraints, long durations, lags, and other integrity issues for government and contractual reviews.
How was the Construction schedule comparison market size estimate for Schedule Auditor calculated?
Used construction software/management market figures from the provided search results (USD 10.76B in 2025 and USD 19.17B in 2026) as the primary anchor. Assumed scheduling/project-management is a material subsegment of construction software (roughly 20–35%), and that a specialized niche for Primavera P6 XER schedule-comparison tools/services is a small fraction (roughly 3–10%) of the scheduling subsegment. Combining these assumptions yields an estimated current global niche market of about $0.3B. Growth potential is aligned with the overall construction software CAGR in the sources, adjusted conservatively for enterprise uptake of digital scheduling tools.
How was the Schedule quality assurance and compliance market size estimate for Schedule Auditor calculated?
Estimation based on reported global quality, compliance and QMS software market sizes (range: ~$10B–32B). Schedule quality-assurance for DCMA+/AACE MIP is a specialised niche within these markets (government/contract review, project controls). I conservatively allocate ~1% of the broader quality & compliance/QMS market to automated schedule QA (≈$0.32B), and forecast a CAGR modestly above core QMS growth (10% vs. reported ~8–9.5%) reflecting strong regulatory enforcement and demand for automation/AI in schedule validation.
Schedule Auditor — company overview

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