Affinity vs UserTesting

Affinity and UserTesting (Real. Human. Insight.) both appear on the Smoower Developer Ecosystem Index.

Affinity (rank #538) holds a narrow lead over UserTesting (rank #691) on the overall Smoower ecosystem score (36 vs 31). The gap of 5 points reflects composite signals across code, docs, community and reach.

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

Affinity carries 4 GitHub stars across 40 public repos, with 1 repositories active in the last 90 days and 2 external contributors on record. UserTesting shows 15 stars across 119 public repos, 0 active in the last 90 days and 0 external contributors. The star gap on its own does not decide the comparison, but UserTesting's footprint is roughly 3.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Affinity is the stronger read for anyone weighting reach. UserTesting 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.