Download the latest MOptima desktop release and install it on your machine.
Supported platforms
Windows
Windows 10 and Windows 11 (x64). The xTB engine is bundled — download, unzip, and run.
Linux
Ubuntu 22.04 LTS or newer (x64), and comparable distributions (Debian 12+, RHEL 9+).
macOS
macOS 13+ on Intel and 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
Both versions include the same core tools. The Free version is limited for smaller molecules and fewer open result tabs.
Free
$0
For evaluation, teaching, and small molecule workflows.
- View, Edit, Single Task, Process Task
- Prepare QM, Batch mode, Analysis & Output
- Limited to molecules with non-H atoms <= 20
- Maximum result tabs: 5
Basic
$79 $59
For full desktop use with larger structures and day-to-day research workflows.
- View, Edit, Single Task, Process Task
- Prepare QM, Batch mode, Analysis & Output
- No Free-version non-H atom limit
- Expanded result tab workflow
- New version lines released within 1 year of purchase
- Each x.y line: bug-fix releases are typically maintained for at least 1 year after that line ships (vendor maintenance)
- Entitled builds remain usable after the update window
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.