TubeBuddy

TubeBuddy is a YouTube-certified browser extension that embeds directly into YouTube Studio rather than running as a separate dashboard, covering keyword research, tag suggestions, thumbnail tools, bulk editing of descriptions and cards, competitor analysis and A/B testing of titles and thumbnails with statistical significance rather than guesswork. That in-Studio placement is the reason creators stick with it. Pricing is unusually cheap for what it does, though figures vary by source. There is a genuine free plan covering one channel with basic tools, though Keyword Explorer is heavily capped, and paid tiers start around $3 to $5 monthly, rising to roughly $23 to $49 for the top tier where A/B testing and AI tools sit. Two details worth knowing: annual billing cuts the cost substantially, and licences are per channel, so running several means paying several times.