Customer IO vs Hotjar

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

Customer IO (rank #165) holds a narrow lead over Hotjar (rank #317) on the overall Smoower ecosystem score (51 vs 44). The gap of 7 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 Customer IO. On education (docs, guides and learning material for developers), Hotjar is slightly ahead of Customer IO. On community (issue response, PR reviews and discussion health), Customer IO is ahead of Hotjar. On reach (how visible the ecosystem is beyond its own repos), Hotjar is clearly ahead of Customer IO. On momentum (release cadence and how fast the ecosystem moves), Customer IO is clearly ahead of Hotjar.

Customer IO carries 684 GitHub stars across 107 public repos, with 42 repositories active in the last 90 days and 26 external contributors on record. Hotjar shows 52 stars across 2 public repos, 1 active in the last 90 days and 2 external contributors. The star gap on its own does not decide the comparison, but Customer IO's footprint is roughly 13.2x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Customer IO is the stronger read for anyone weighting momentum. Hotjar looks better where reach 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.