Hotjar vs Zeplin

Hotjar (Product Experience Insights Tools) and Zeplin both appear on the Smoower Developer Ecosystem Index.

Hotjar (rank #317) holds a narrow lead over Zeplin (rank #430) on the overall Smoower ecosystem score (44 vs 40). The gap of 4 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Hotjar is slightly ahead of Zeplin. On education (docs, guides and learning material for developers), Hotjar is ahead of Zeplin. On community (issue response, PR reviews and discussion health), Zeplin is slightly ahead of Hotjar. On reach (how visible the ecosystem is beyond its own repos), Hotjar is clearly ahead of Zeplin. On momentum (release cadence and how fast the ecosystem moves), Hotjar is slightly ahead of Zeplin.

Hotjar carries 52 GitHub stars across 2 public repos, with 1 repositories active in the last 90 days and 2 external contributors on record. Zeplin shows 1,460 stars across 57 public repos, 8 active in the last 90 days and 4 external contributors. The star gap on its own does not decide the comparison, but Zeplin's footprint is roughly 28.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Hotjar is the stronger read for anyone weighting reach. Zeplin looks better where community is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.