Both Tectonic and Stack are cloud-based. But there is a crucial difference: Tectonic uses AI to automate takeoffs while Stack requires manual measurement. Compare the two approaches.
Both Tectonic and Stack offer modern cloud-based interfaces, but Tectonic AI automation is a game-changer. Why spend hours manually measuring when AI can do it in minutes? Choose Tectonic for speed and efficiency. Choose Stack only if you specifically prefer manual control over every measurement.
Side-by-side comparison of key capabilities
| Feature | Tectonic | Stack |
|---|---|---|
| AI-Powered Takeoffs | Yes - fully automated | No - manual only |
| Cloud-Based | Yes | Yes |
| Takeoff Speed | 10-30 minutes | 2-6 hours |
| Manual Measurement Required | No | Yes - all takeoffs |
| Team Collaboration | Yes | Yes |
| Starting Price | Free tier available | $2,999/year |
| Trade-Specific Features | Yes | No |
| Modern Interface | Yes | Yes |
| Mobile Access | Full web app | Web app |
| Offline Mode | Limited | Limited |
Common questions about Stack.
The main difference is automation. Tectonic uses AI to automatically extract quantities from plans. Stack requires you to manually measure, trace, and count every element. Both are cloud-based, but Tectonic is 90% faster.
Stack has a clean interface, but you still must learn manual takeoff techniques. Tectonic requires no takeoff skills - upload your plans and the AI does the work. Most users find Tectonic faster to get productive with.
Both can be highly accurate. Stack accuracy depends on user skill and attention to detail. Tectonic AI maintains consistent 95-99% accuracy without fatigue or human error. Both allow review and adjustment before finalizing.
Stack charges a premium for their cloud platform and collaboration features. Tectonic AI automation actually reduces their support costs since users need less training, allowing for lower pricing.
Yes, easily. Tectonic works with standard PDF files. You can start using Tectonic immediately on your next project. Many contractors switch when they realize how much time AI automation saves.
See why contractors are switching to Tectonic for faster, more accurate estimating.
No credit card required. Upload your first plans in minutes.