Your account, plans and data

• Enter your email and we send a six-digit code. There is no password to remember, or to leak.
• The code not arriving? Check your spam or junk folder, then ask for another.
• Your account menu, top right, lists your workspaces — Learning, Teaching, your institution, LensaSim Plant — and your Settings.

• Student (free) — up to 15 unit operations and 10 fluid components in a simulation, the Ideal, Peng-Robinson and SRK methods, energy, safety and dynamics, five saved projects, and five AI messages a day.
• Pro — up to 100 unit operations and 40 components, the activity models, PSRK and electrolytes, Economics, goal seek, design reports, AI property estimates, cloud sync and share links.
• Campus — Pro for every student and teacher at an institution, with classes, auto-graded assignments, tests and your LMS.

Prices and the full comparison are on the pricing page. Manage or cancel a plan under Settings → Plan & billing.

• The simulator runs in your browser. A project you have not synced lives there too, and clears if you clear your browser's storage — export important work as a file.
• Signed in on Pro, projects sync to your account and follow you between computers.
• You can delete your projects and classes at any time, and ask us to delete your account by email. The privacy statement says exactly what is kept, and for how long.