Duolingo vs Recurly

Duolingo and Recurly both appear on the Smoower Developer Ecosystem Index.

Recurly (rank #317) holds a narrow lead over Duolingo (rank #338) on the overall Smoower ecosystem score (44 vs 43). 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), Recurly is clearly ahead of Duolingo. On education (docs, guides and learning material for developers), Recurly is ahead of Duolingo. On community (issue response, PR reviews and discussion health), Duolingo is slightly ahead of Recurly. On reach (how visible the ecosystem is beyond its own repos), Duolingo is clearly ahead of Recurly. On momentum (release cadence and how fast the ecosystem moves), Recurly is clearly ahead of Duolingo.

Duolingo carries 1,721 GitHub stars across 12 public repos, with 8 repositories active in the last 90 days and 11 external contributors on record. Recurly shows 1,564 stars across 53 public repos, 26 active in the last 90 days and 5 external contributors.

Duolingo is the stronger read for anyone weighting reach. Recurly 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.