Choose Your Plan
Start with our free tier and upgrade as you grow. All plans include core engineering calculations.
Get 30% OFF on all annual plans. Use code: LAUNCH30
Free
Perfect for trying out
- 50 calculations/month
- Basic engineering tools
- 5 saved workflows
- Community support
- AI Assistant
- PDF Reports
Starter
For students & hobbyists
- 200 calculations/month
- All engineering tools
- 25 saved workflows
- Email support
- Basic AI Assistant (50 msgs/mo)
- PDF Reports
Professional
For working engineers
- Unlimited calculations
- All engineering tools
- Unlimited workflows
- Priority support
- Full AI Assistant (500 msgs/mo)
- PDF Reports & Export
Enterprise
For teams & organizations
- Everything in Professional
- Up to 10 team members
- Team collaboration
- Admin dashboard
- API access
- Dedicated support
Feature Comparison
| Feature | Free | Starter | Professional | Enterprise |
|---|---|---|---|---|
| Calculations per month | 50 | 200 | Unlimited | Unlimited |
| Saved Workflows | 5 | 25 | Unlimited | Unlimited |
| AI Assistant messages | 50/mo | 500/mo | Unlimited | |
| PDF Reports | ||||
| Team Members | 1 | 1 | 1 | Up to 10 |
| API Access | ||||
| Support | Community | Priority | Dedicated |
Frequently Asked Questions
Can I change plans later?
Yes! You can upgrade or downgrade your plan at any time. Changes take effect immediately, and we'll prorate the difference.
What payment methods do you accept?
We accept all major credit cards, PayPal, and bank transfers for enterprise accounts.
Is there a free trial?
Our Free tier is permanently free with no credit card required. Paid plans come with a 14-day money-back guarantee.
What happens if I exceed my limits?
We'll notify you when you're approaching your limit. You can either upgrade or wait for your monthly reset.
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