Reviewers mostly praise Things for its polished, fast interface and simple structure that helps them manage daily work without feeling overloaded. People often call it reliable, easy to fit into existing workflows, and especially strong for quick capture, keyboard use, Siri/Shortcuts, Apple Watch, email forwarding, and GTD-style organization. The main criticism is not usability but limits: repeating tasks can be awkward, integrations and collaboration feel thin, and some users say development is slow, making the app feel costly or hard to outgrow once deeply adopted.