Checkout.com vs Customer IO

Checkout.com (A collection of libraries and plugins for Checkout.com) and Customer IO both appear on the Smoower Developer Ecosystem Index.

Checkout.com (rank #152) holds a narrow lead over Customer IO (rank #165) on the overall Smoower ecosystem score (52 vs 51). The gap of 1 points reflects composite signals across code, docs, community and reach.

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

Checkout.com carries 542 GitHub stars across 55 public repos, with 26 repositories active in the last 90 days and 11 external contributors on record. Customer IO shows 684 stars across 107 public repos, 42 active in the last 90 days and 26 external contributors.

Checkout.com is the stronger read for anyone weighting reach. Customer IO looks better where education 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.