Klaviyo vs Quo

Klaviyo and Quo (World's best business phone app) both appear on the Smoower Developer Ecosystem Index.

Klaviyo (rank #237) holds a modest lead over Quo (rank #625) on the overall Smoower ecosystem score (48 vs 33). The gap of 15 points reflects composite signals across code, docs, community and reach.

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

Klaviyo carries 573 GitHub stars across 117 public repos, with 23 repositories active in the last 90 days and 17 external contributors on record. Quo shows 12 stars across 20 public repos, 2 active in the last 90 days and 0 external contributors. The star gap on its own does not decide the comparison, but Klaviyo's footprint is roughly 47.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Klaviyo is the stronger read for anyone weighting community. Quo looks better where momentum 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.