Pricing

Start using any tool for free
Sign up to save your work
Upgrade for advanced features.

Every app on Eagle Eye runs without sign-up — no registration required.
Pay only for advanced features, saved work, and CSI software integration.

20% annual discount applies to product bundles and platform only · Individual app prices do not change

Product subscriptions

Pay for what you use.

Each product includes all its apps at one bundled price. Ready for more? Upgrade to the full platform and pay only what's left.

Gear
Engineering Web Apps
$45
/month
Structural Analysis
Beam · Frame 2D · From ETABS · From SAP2000
4 apps
Member Design
Multiple RC Beams · RC Beam · Steel Beam · Steel Column · Foundations · Isolated Footing
6 apps
Design Details
RC Beam Section · Beam Elastic Stresses · Beam Moment-Curvature · Beam Performance · Beam Deflection
5 apps
Learning Tools
SDOF Dynamics · MDOF Dynamics · Equation Visualizer
3 apps
Column Designer
RC Column Analysis · Web app
$25
/month
Unlimited projects,All 18+ international codes,All cross-section shapes,Shape library access
Draw tools,ETABS / SAP2000 import,CDB (legacy) import,Composite columns (steel + concrete)
Confinement zones & Mander model , Moment curvature & auto confinement,Batch Processing (Future v1.2)
API Access (Future),Word & Excel export,Detailed report
Prism
Model Viewers · Browser-based · viewers
$20
/month
ETABS Viewer
3D building geometry, element properties, story filtering
$10
SAP2000 Viewer
Frames, shells, solids, cable elements — all SAP2000 structure types
$10
Bridge Express Viewer
Full bridge geometry — girders, piers, deck, abutments, plan/elevation/3D
$8
Axiom
AI Plugins & MCP Agents · CSI software
$20
/month
Basic
Model Explorer — 50 prompts trial
Free
Pro
All 7 AI plugins · Unlimited prompts · BYOK required
$20/month
Team
MCP Agents + all plugins · Shared API key
Contact us
At a glance

All products. All prices.

All prices in USD · Prices shown exclude applicable taxes · Team plans available on request.

PRODUCT
Basic / Free
Pro — Monthly
Pro — Annual (save 20%)
Team
Column DesignerWeb app · RC column analysis
Free
$20/month
$16/month$192/year
Contact us
Gear — Full BundleWeb apps
Free
$49/month
$39/month$468/year
Contact us
Gear — Individual AppsWeb · per app pricing
Free (most apps)
$6–$12/mo
No annual discount
Contact us
Prism — Full BundleBrowser
Free (geometry)
$20/month
$16/month$192/year
Contact us
Axiom — Full BundlePlugin · AI tools
Free (50 prompts)
$20/month
$16/month$192/year
Contact us
Bridge ExpressDesktop · Concrete bridge design
30-day trial
Purchased via CSI America
Contact CSI
ExtensionsDesktop plugins · 6 tools
Free
Full PlatformColumn + Gear + Prism + Axiom
Free (all Basic tiers)
$75/month
$71/month$852/year
Contact us

All prices in USD · Prices shown exclude applicable taxes · Team plans available on request

Common questions

Before you decide.

Do I need to register to use the apps?

No. Every Eagle Eye app can be used without registration. You only need an account to save your work between sessions or access paid features..

What happens if my subscription expires?

Your subscription automatically returns to the Basic tier. Your saved work and project history remain available, but Pro features become inaccessible until you renew.

Can I subscribe to individual apps rather than the full bundle?

Yes. Every app in Gear, every viewer in Prism, and every plugin in Axiom is available as an individual monthly subscription. Annual billing is available for bundles and the full platform only — not for individual apps.

Does Axiom include the AI API cost?

No. Axiom requires your own API key from Anthropic (Claude) or OpenAI. Your subscription covers access to the plugins and agents — the underlying AI compute is billed directly by your provider at their standard rates. Eagle Eye does not add a markup on AI usage.

What is the difference between Pro and Team?

Pro is a single-user subscription with full access to all features in that product. Team provides multiple seats, shared project libraries, and firm-level access management. Contact us for a quote based on your team size and requirements

Is there a discount for universities or government departments?

Yes. Special rates are available for academic institutions, government engineering departments, and organizations in lower-income countries. Contact us with your organization name and use case and we will provide a custom arrangement

Can I upgrade from a product bundle to the full platform?

Yes, and you pay only the difference. If you are already subscribed to one or more products, upgrading to the platform subscription credits your existing subscription toward the platform price. Contact us to arrange the transition.

Does Bridge Express pricing work differently?

Yes. Bridge Express is a desktop application purchased directly through CSI America rather than as a monthly subscription through Eagle Eye. A 30-day full-access trial is available — email only, no credit card. Contact CSI America for purchase pricing and licensing options.