Yes, if you are a tech startup or developer-focused business. The part worth knowing is the price structure: .IO has no promotional first year, so the US$63.00 you are quoted is the US$63.00 you keep paying - which is also the answer to whether there are hidden fees. This guide compares .IO, .AI, .TECH and .COM on annual price, first-year promotion, minimum term and privacy, and covers SEO, registration and the geopolitical question.