Klaviyo vs Paddle

Klaviyo and Paddle both appear on the Smoower Developer Ecosystem Index.

Klaviyo (rank #237) holds a narrow lead over Paddle (rank #372) on the overall Smoower ecosystem score (48 vs 42). The gap of 6 points reflects composite signals across code, docs, community and reach.

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

Klaviyo carries 573 GitHub stars across 117 public repos, with 23 repositories active in the last 90 days and 17 external contributors on record. Paddle shows 997 stars across 54 public repos, 22 active in the last 90 days and 6 external contributors.

Klaviyo is the stronger read for anyone weighting reach. Paddle looks better where code quality 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.