Download the latest MOptima desktop release and install it on your machine.
Supported platforms
Windows
Windows 10 and Windows 11 (x64)
Linux
Ubuntu 22.04 LTS or newer (x64)
macOS
macOS 14+ on Apple Silicon.
The xTB engine is licensed separately (LGPL-3.0, Grimme group) and is not bundled. MOptima can download it on demand from the first-launch prompt or from Tools > Download > xTB. On Linux and macOS, the included engines/install_xtb.sh helper remains available as a manual alternative.
Pricing
Free
$0
For individual use, including independent teaching, research, and professional work.
What's included:
- All features included
- No paid atom or result-tab limits
- Same public stable updates as Supporter
Supporter
$29
For individual users who want to support MOptima with a voluntary one-time purchase.
The same features as Free, plus:
- No support reminders
- Optional Supporter identity badge
- One active identity device; deactivate to transfer
Group
Contact usA Group license is required for industrial, team, or organization-wide use.
For group use:
- Separate written license
- Terms agreed directly with MOptima
Individual and Group use. Free and Supporter are for individual users. Industrial, team, and organization-wide use requires a separate Group license; contact us to arrange a purchase.
Supporter identity. This optional one-time purchase removes support reminders and enables a hideable identity badge on one active device. Deactivate it before moving to another device. It does not unlock software functionality or promise permanent online services or unlimited personal support.
Refunds. Contact us about purchase problems or refund requests. Applicable consumer rights remain in effect.
License
MOptima is distributed as a desktop chemistry workflow product. Use of the software is governed by the license terms included with the downloaded package and by the terms published on this site. The full license text is available here.
Questions about installation, pricing, or licensing? Contact us.