When comparing Statamic vs Magento CMS, the Slant community recommends Statamic for most people. In the question“What are the best CMS for building a multilingual website?” Statamic is ranked 8th while Magento CMS is ranked 9th. The most important reason people chose Statamic is:
No need for plugins.
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Pros
Pro Multi-lingual support baked into the core
No need for plugins.
Pro Great support
Since it's a premium product, you have easy access to the devs, either through their Slack channel or through email or the official forums.
Pro Developers have extra incentive to maintain it, considering it's a commercial product
So it keeps the bar high. Provides extra-incentive for the developers to fix bugs and make sure it maintains solid.
Pro Can work as a static site generator
Can be used as a flat-file CMS with the option to wire-up a database if needed.
Pro Great documentation
The documentation is extremely detailed and explains everything thoroughly.
Pro Nice multilingual capabilities
You can manage several shops and several language versions of the site, what is very useful if the shop is focused on multilingual audience.
Cons
Con Not free
Limits adoption. Might not be the best choice for small/no-budget projects.
Con E-commerce platform focused
Magento is built to help creating and maintaining e-commerce platforms. So it cannot be used to create any other kind of website (such as blogs, news websites etc.).