# Babel42 > Babel42 (https://babel42.io) is a social listening platform for founders, creators, marketers and journalists. It tracks mentions, sentiment and trends across multiple networks — Bluesky, X (Twitter), YouTube, Instagram, news, reviews (Trustpilot & Google), Mastodon, Hacker News, DEV.to, Stack Exchange, Tumblr and Twitch — and translates the conversation into plain-English answers on one dashboard. Key facts: - Made by Babel42 Ltd, a company registered in England and Wales. The product lives at https://app.babel42.io. - Free plan: 500 mentions/month, 2 monitors, 5 networks, AI sentiment, no card required. - Paid plans from $29/month (Starter) to $449/month (Enterprise); annual billing saves ~15%. - X (Twitter) data comes through the official X API and is priced as a transparent add-on on any paid plan. - Two ways to listen: keyword monitors (Boolean queries with AND/OR/NOT) and channels (follow specific accounts and track their followers and engagement). - AI features: sentiment scoring per mention, insights and themes, a guided monitor-setup assistant, and an in-app support assistant. - Other features: author/influencer ranking and outreach lists, custom dashboards and comparisons, share-of-voice analysis, keyword lists, email alerts (volume spikes, sentiment dips, influencer mentions), historical backfill and long-term retention. ## Pages - [Features](https://babel42.io/features): the full toolkit — authors and lists, channels, alerts, share of voice, keyword lists, coverage. - [Platforms](https://babel42.io/platforms): every network Babel42 listens to, with honest coverage notes. - [Pricing](https://babel42.io/pricing): all tiers, the X add-on, and a plain-English FAQ. - [Use cases](https://babel42.io/use-cases): brand analysis, topic research, competitor analysis, influencer marketing, customer feedback, tech community listening, investment monitoring. - [Blog](https://babel42.io/blog): practical guides to social listening. - [About](https://babel42.io/about): why Babel42 exists.