Reviewers largely praise Sanity.io for strong developer experience, fast setup, flexible schemas, and deep customization, especially for structured or omnichannel content. Several say it works well across client projects, with standout features like portable text, image hotspots, and a customizable Studio. But criticism is sharp when workflows break down: some report poor plugin reliability, weak internationalization and TypeScript support, outdated docs, and confusing schema-to-cloud data behavior. One founder from the makers of
Sheet Ninja also says it was easier to customize than many CMS tools.