Google Tag Manager vs Segment: What are the differences?
Google Tag Manager: Quickly and easily update tags and code snippets on your website or mobile app. Tag Manager gives you the ability to add and update your own tags for conversion tracking, site analytics, remarketing, and more. There are nearly endless ways to track user behavior across your sites and apps, and the intuitive design lets you change tags whenever you want; Segment: A single hub to collect, translate and send your data with the flip of a switch. Segment is a single hub for customer data. Collect your data in one place, then send it to more than 100 third-party tools, internal systems, or Amazon Redshift with the flip of a switch.
Google Tag Manager and Segment can be primarily classified as "Analytics Integrator" tools.
According to the StackShare community, Segment has a broader approval, being mentioned in 827 company stacks & 77 developers stacks; compared to Google Tag Manager, which is listed in 414 company stacks and 72 developer stacks.