Sign in with your circacircuits.com account to manage plans, work orders and messages with our technicians. Add the 3D training simulators and the Engineering calculator whenever you need them, in the app or on the website.
The same account as circacircuits.com/app: maintenance plans and retainers, service and emergency requests, equipment records, messages with photos and video, and billing. Staff get the full CMMS.
Bought once for 12 months of access. They run inside the app on your computer.
Stack a power source, transmission and final drive, check every rating against the Universal Manual and watch a live 3D drivetrain. Free Starter plan, with Pro and Team plans for advanced outputs.
Already have CircaCircuits Engineering installed? Run this installer to update it. Your sign-in and projects stay.
Your account is the same everywhere. Buy training or an Engineering plan in the app (a secure Stripe checkout window opens) or on the website, and it unlocks in both. Your purchases and data are kept with your account on circacircuits.com.
The app needs an internet connection to sign in and to check which add-ons your account has.
Version 1.2.0, released October 7, 2026. Installed apps update themselves automatically.
SHA-256 of CircaCircuits-Setup-1.2.0.exe:d5e56e0af5ac2593b7329e0101a0769b5977ed075c91bf4a39f01d7107ae4d45
Questions? circacircuits@gmail.com
CircaCircuits