Affinity vs Amplitude

Affinity and Amplitude both appear on the Smoower Developer Ecosystem Index.

Amplitude (rank #93) holds a modest lead over Affinity (rank #536) on the overall Smoower ecosystem score (56 vs 36). The gap of 20 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Amplitude is clearly ahead of Affinity. On community (issue response, PR reviews and discussion health), Amplitude is clearly ahead of Affinity. On reach (how visible the ecosystem is beyond its own repos), Affinity is clearly ahead of Amplitude. On momentum (release cadence and how fast the ecosystem moves), Amplitude is clearly ahead of Affinity.

Affinity carries 4 GitHub stars across 40 public repos, with 1 repositories active in the last 90 days and 2 external contributors on record. Amplitude shows 3,167 stars across 151 public repos, 39 active in the last 90 days and 23 external contributors. The star gap on its own does not decide the comparison, but Amplitude's footprint is roughly 791.8x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

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