STACK vs Knowify Comparison
STACK
Starting at $599 /User/Year
- Freelancers / Consultants
- Large Enterprises
Stack is a tool for construction project managers. It guides the user through the entire process of planning, scheduling, and controlling their construction projects. Its intuitive interface allows them to enter schedule…
Knowify
Starting at $149 /Month
- Free Trial
- Large Enterprises
- Medium Business
With Knowify, construction companies can transform their business processes to be more efficient and better serve their clients. Knowify delivers easy-to-use construction management software that will enable company to s…
Knowify leads on user satisfaction with a 4.4-star rating across 105 reviews.
STACK vs Knowify — at a glance
| Feature | STACK | Knowify |
|---|---|---|
| Rating | 3.7 / 5 | 4.4 / 5 |
| Reviews | 23 | 105 |
| Starting price | $599 /User/Year | $149 /Month |
| Free trial | No | Yes |
| Free version | No | No |
| Best for | Freelancers / Consultants, Large Enterprises, Medium Business | Large Enterprises, Medium Business, Small Business |
| Category | Construction Management Software | Construction Management Software |
| Platforms | SaaS/Web/Cloud | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS |
| API | Available | Available |
| Support modes | Business Hours, Online | Business Hours, Online |
| Certifications | — | — |
| Data residency | US | US |
Key differences between STACK and Knowify
- Pricing: STACK starts at $599 /User/Year, while Knowify starts at $149 /Month.
- Free trial: Knowify offers a free trial; STACK does not.
- Target audience: STACK is built for Freelancers / Consultants and Large Enterprises, while Knowify targets Large Enterprises and Medium Business.
- User satisfaction: Knowify scores higher with a 4.4-star average.
- Deployment: STACK supports SaaS/Web/Cloud; Knowify supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS.
STACK vs Knowify — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Construction Management Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Biggest differences
Start here before you go deeper into features.
Best for flexible, real-time construction project scheduling and control.
- You need an intuitive interface for quick and flexible schedule entry.
- Your team requires real-time visibility into project schedules and task details.
- You manage small to medium construction projects needing detailed schedule tracking.
- Your company requires integrated financial or procurement management features.
- You need transparent pricing and extensive user feedback before committing.
Best for small to medium construction firms needing strong job costing and QuickBooks integration.
- You need detailed job costing and real-time budget tracking for construction projects.
- Your team includes project managers and finance staff requiring seamless QuickBooks Online integration.
- You want a user-friendly, flexible platform with responsive customer support.
- Your company requires robust mobile app functionality for field workers.
- You depend on extensive third-party app integrations beyond the limited marketplace offerings.
STACK: Best for flexible, real-time construction project scheduling and control. Knowify: Best for small to medium construction firms needing strong job costing and QuickBooks integration.
Description | Stack is a tool for construction project managers. It guides the user through the entire process of planning, scheduling, and controlling their construction projects. Its intuitive ... Read More about STACK | With Knowify, construction companies can transform their business processes to be more efficient and better serve their clients. Knowify delivers easy-to-use construction management ... Read More about Knowify |
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Entry Level Pricing |
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Free Trial Availability |
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Spotsaas ScoreWhat's this? ↗ | 8.7/10 | 9.2/10 |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | Small BusinessMedium Business | Small BusinessMedium Business |
Get pricing help | Get pricing help |
Software Demo
Demo |
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How do STACK and Knowify Compare on Features?
Total Features | 11 Features | 15 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare STACK and Knowify on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
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Other Details
Organization Types supported |
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Platforms Supported |
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API Support |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
HIPAA | ✗ No | ✗ No |
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Data Residency | 🇺🇸 US | 🇺🇸 US |
STACK User Reviews & Rating Comparison
User Ratings | ||
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Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Users appreciate the tool's intuitive interface and flexibility but note limited feedback and unclear pricing as drawbacks. What buyers like
Common complaints
| Buyer sentiment Overall, users express highly positive sentiment praising ease of use, QuickBooks integration, and customer support, while noting some mobile app and feature limitations. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
| Negative Reviews | No reviews available for the product | No reviews available for the product |
List of Customers
Customers |  Siemens  Western Specialty Contractors  Turner |  Acoustic  Baum  BSI |
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Media and Screenshots
Screenshots | No screenshots available. |  4 Screenshots |
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Videos |  3 Videos |  4 Videos |
Top Alternatives to STACK and Knowify in 2026
Alternatives |
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, STACK or Knowify?
- Knowify edges out the other on user ratings (4.4 vs 3.7). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do STACK and Knowify offer a free trial?
- Knowify offers a free trial. STACK does not.
- What is the starting price of STACK vs Knowify?
- STACK starts at $599 /User/Year. Knowify starts at $149 /Month.
- What are the top alternatives to STACK?
- Top alternatives to STACK include Contractor's Cloud, Archdesk, I-Cost, JGID, ProjectPro.
- What are the top alternatives to Knowify?
- Top alternatives to Knowify include Procore, UDA ConstructionOnline, Contractor's Office, Contractor's Cloud, Buildertrend.