A/B Smartly vs Duolingo

A/B Smartly (A/B Smartly - Your A/B Testing Platform) and Duolingo both appear on the Smoower Developer Ecosystem Index.

Duolingo (rank #338) holds a narrow lead over A/B Smartly (rank #510) on the overall Smoower ecosystem score (43 vs 37). 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), A/B Smartly is slightly ahead of Duolingo. On education (docs, guides and learning material for developers), A/B Smartly is clearly ahead of Duolingo. On community (issue response, PR reviews and discussion health), Duolingo is ahead of A/B Smartly. On reach (how visible the ecosystem is beyond its own repos), Duolingo is clearly ahead of A/B Smartly. On momentum (release cadence and how fast the ecosystem moves), Duolingo is slightly ahead of A/B Smartly.

A/B Smartly carries 39 GitHub stars across 40 public repos, with 28 repositories active in the last 90 days and 5 external contributors on record. Duolingo shows 1,721 stars across 12 public repos, 8 active in the last 90 days and 11 external contributors. The star gap on its own does not decide the comparison, but Duolingo's footprint is roughly 44.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

A/B Smartly is the stronger read for anyone weighting education. Duolingo looks better where reach 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.